{
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    "generated_at_utc": "2026-10-10T07:07:08.148292+00:00",
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    "platform": "Windows-10-10.0.19045-SP0"
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    "title": "Fred Clough vs George Coleman - three decisions in a king hunt",
    "source": {
      "label": "Welsh Correspondence Chess Federation Fred Clough page",
      "url": "https://www.welshccf.org.uk/content/66"
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            "score": {
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              "is_mate": false,
              "mate_in": null,
              "comparison_cp": 132
            },
            "loss_cp": 0,
            "within_100cp": true,
            "within_200cp": true,
            "pv": {
              "uci": [
                "g2g3",
                "a8c8"
              ],
              "san": "22. g3 Rc8"
            },
            "nodes": 250121,
            "depth": 17,
            "seldepth": 24
          }
        ]
      }
    },
    {
      "id": "choice-26-white",
      "label": "White to move on move 26",
      "fen": "7r/p1k1b1pp/1pB2pq1/3Qp3/4P3/2N1B1Pb/P4P1P/6K1 w - - 3 26",
      "side_to_move": "white",
      "legal_move_count": 41,
      "played_move": {
        "uci": "c6a8",
        "san": "Ba8"
      },
      "model_consensus": {
        "distinct_top_moves": 2,
        "most_selected_move": {
          "uci": "e3b6",
          "san": "Bxb6+"
        },
        "most_selected_count": 4
      },
      "public_choice_gate": {
        "required_distinct_safe_model_moves": 3,
        "safety_threshold_cp": 100,
        "observed_distinct_model_moves": 2,
        "safe_distinct_model_moves": 0,
        "passes": false
      },
      "models": [
        {
          "key": "v6_active",
          "label": "V6 Active",
          "intended_profile": "active, initiative-seeking",
          "top_move": {
            "uci": "d5e5",
            "san": "Qxe5+",
            "hybrid_score_cp": -120.924543
          },
          "top_three": [
            {
              "uci": "d5e5",
              "san": "Qxe5+",
              "hybrid_score_cp": -120.924543
            },
            {
              "uci": "e3b6",
              "san": "Bxb6+",
              "hybrid_score_cp": -121.008691
            },
            {
              "uci": "c6d7",
              "san": "Bd7",
              "hybrid_score_cp": -192.65274
            }
          ]
        },
        {
          "key": "v8_sharp",
          "label": "V8 Sharp",
          "intended_profile": "sharp club-player profile on curated data",
          "top_move": {
            "uci": "e3b6",
            "san": "Bxb6+",
            "hybrid_score_cp": -120.341666
          },
          "top_three": [
            {
              "uci": "e3b6",
              "san": "Bxb6+",
              "hybrid_score_cp": -120.341666
            },
            {
              "uci": "d5e5",
              "san": "Qxe5+",
              "hybrid_score_cp": -120.344537
            },
            {
              "uci": "d5a5",
              "san": "Qa5",
              "hybrid_score_cp": -192.040436
            }
          ]
        },
        {
          "key": "v9_positional",
          "label": "V9 Positional",
          "intended_profile": "calm positional pressure",
          "top_move": {
            "uci": "e3b6",
            "san": "Bxb6+",
            "hybrid_score_cp": -120.008164
          },
          "top_three": [
            {
              "uci": "e3b6",
              "san": "Bxb6+",
              "hybrid_score_cp": -120.008164
            },
            {
              "uci": "d5e5",
              "san": "Qxe5+",
              "hybrid_score_cp": -120.071576
            },
            {
              "uci": "c6d7",
              "san": "Bd7",
              "hybrid_score_cp": -191.008994
            }
          ]
        },
        {
          "key": "v15_endgame",
          "label": "V15 Endgame",
          "intended_profile": "endgame-focused distilled evaluator",
          "top_move": {
            "uci": "d5e5",
            "san": "Qxe5+",
            "hybrid_score_cp": -124.00781
          },
          "top_three": [
            {
              "uci": "d5e5",
              "san": "Qxe5+",
              "hybrid_score_cp": -124.00781
            },
            {
              "uci": "e3b6",
              "san": "Bxb6+",
              "hybrid_score_cp": -124.133679
            },
            {
              "uci": "d5d3",
              "san": "Qd3",
              "hybrid_score_cp": -193.425313
            }
          ]
        },
        {
          "key": "v17_file_pressure",
          "label": "V17 File Pressure",
          "intended_profile": "open-file and rook-pressure weighting",
          "top_move": {
            "uci": "e3b6",
            "san": "Bxb6+",
            "hybrid_score_cp": -119.966473
          },
          "top_three": [
            {
              "uci": "e3b6",
              "san": "Bxb6+",
              "hybrid_score_cp": -119.966473
            },
            {
              "uci": "d5e5",
              "san": "Qxe5+",
              "hybrid_score_cp": -120.177242
            },
            {
              "uci": "c3a4",
              "san": "Na4",
              "hybrid_score_cp": -191.587497
            }
          ]
        },
        {
          "key": "v18_defensive",
          "label": "V18 Defensive",
          "intended_profile": "defensive tension and counterpunch weighting",
          "top_move": {
            "uci": "e3b6",
            "san": "Bxb6+",
            "hybrid_score_cp": -121.480824
          },
          "top_three": [
            {
              "uci": "e3b6",
              "san": "Bxb6+",
              "hybrid_score_cp": -121.480824
            },
            {
              "uci": "d5e5",
              "san": "Qxe5+",
              "hybrid_score_cp": -121.489062
            },
            {
              "uci": "c6d7",
              "san": "Bd7",
              "hybrid_score_cp": -194.514907
            }
          ]
        }
      ],
      "stockfish": {
        "best_move": {
          "uci": "c3b5",
          "san": "Nb5+"
        },
        "best_score": {
          "centipawns": 275,
          "is_mate": false,
          "mate_in": null,
          "comparison_cp": 275
        },
        "best_pv": {
          "uci": [
            "c3b5"
          ],
          "san": "26. Nb5+"
        },
        "nodes": 250326,
        "depth": 15,
        "seldepth": 28,
        "verified_choices": [
          {
            "move": {
              "uci": "c6a8",
              "san": "Ba8"
            },
            "is_played_move": true,
            "is_engine_best_move": false,
            "selected_by_models": [],
            "score": {
              "centipawns": 293,
              "is_mate": false,
              "mate_in": null,
              "comparison_cp": 293
            },
            "loss_cp": 0,
            "within_100cp": true,
            "within_200cp": true,
            "pv": {
              "uci": [
                "c6a8",
                "h3c8",
                "d5c6",
                "c7d8",
                "c3d5",
                "c8d7",
                "c6b7",
                "e7d6",
                "b7a7",
                "d8e8",
                "d5b6",
                "g6g4",
                "h2h4",
                "e8d8",
                "a8d5",
                "h8e8",
                "a2a4",
                "g7g5"
              ],
              "san": "26. Ba8 Bc8 27. Qc6+ Kd8 28. Nd5 Bd7 29. Qb7 Bd6 30. Qxa7 Ke8 31. Nxb6 Qg4 32. h4 Kd8 33. Bd5 Re8 34. a4 g5"
            },
            "nodes": 250325,
            "depth": 17,
            "seldepth": 37
          },
          {
            "move": {
              "uci": "d5e5",
              "san": "Qxe5+"
            },
            "is_played_move": false,
            "is_engine_best_move": false,
            "selected_by_models": [
              "V15 Endgame",
              "V6 Active"
            ],
            "score": {
              "centipawns": -662,
              "is_mate": false,
              "mate_in": null,
              "comparison_cp": -662
            },
            "loss_cp": 937,
            "within_100cp": false,
            "within_200cp": false,
            "pv": {
              "uci": [
                "d5e5",
                "f6e5",
                "c6d5",
                "e7a3",
                "f2f4",
                "c7b8",
                "f4e5",
                "h8f8",
                "d5c4",
                "h7h6",
                "e3f4",
                "a3c5",
                "g1h1"
              ],
              "san": "26. Qxe5+ fxe5 27. Bd5 Ba3 28. f4 Kb8 29. fxe5 Rf8 30. Bc4 h6 31. Bf4 Bc5+ 32. Kh1"
            },
            "nodes": 250562,
            "depth": 16,
            "seldepth": 23
          },
          {
            "move": {
              "uci": "e3b6",
              "san": "Bxb6+"
            },
            "is_played_move": false,
            "is_engine_best_move": false,
            "selected_by_models": [
              "V17 File Pressure",
              "V18 Defensive",
              "V8 Sharp",
              "V9 Positional"
            ],
            "score": {
              "centipawns": 0,
              "is_mate": false,
              "mate_in": null,
              "comparison_cp": 0
            },
            "loss_cp": 275,
            "within_100cp": false,
            "within_200cp": false,
            "pv": {
              "uci": [
                "e3b6",
                "a7b6",
                "c3b5",
                "c7b8",
                "c6a8",
                "h3c8",
                "d5c4",
                "b8a8",
                "c4c6",
                "c8b7",
                "c6b6",
                "a8b8",
                "b6c7",
                "b8a8",
                "c7a5",
                "a8b8",
                "a5a7",
                "b8c8",
                "a7b6"
              ],
              "san": "26. Bxb6+ axb6 27. Nb5+ Kb8 28. Ba8 Bc8 29. Qc4 Kxa8 30. Qc6+ Bb7 31. Qxb6 Kb8 32. Qc7+ Ka8 33. Qa5+ Kb8 34. Qa7+ Kc8 35. Qb6"
            },
            "nodes": 250137,
            "depth": 20,
            "seldepth": 28
          }
        ]
      }
    }
  ],
  "limitations": [
    "The six neural checkpoints are scalar evaluators, not move-policy models or explanation models.",
    "Their 768 inputs encode piece placement only; side to move is applied after inference, while castling rights, en-passant state, repetition, move history, and clocks are not model inputs.",
    "Profile labels describe intended training or runtime behavior and do not prove human-like personality or internal understanding.",
    "Stockfish results use a fixed node budget and configuration and are a verification snapshot, not a claim of perfect play.",
    "Stockfish was required to use two search threads. Parallel search can produce small score, depth, node-count, or PV differences on a fresh rerun even when the configured node limit is unchanged.",
    "Centipawn loss uses a 100,000 cp comparison value for forced-mate scores; mate status and mate distance are also reported separately.",
    "The analysis does not measure Elo, playing strength, or clean unseen test accuracy.",
    "Any reader-facing move explanation must describe observable chess features; it must not be presented as the model's internal reasoning."
  ]
}