1rb1kbnr/1p2qp1p/3pp1p1/p1n5/6P1/N2P1P1N/P1PKP2P/R1BQ1BR1 w k - 0 12
FEN state: 1rb1kbnr/1p2qp1p/3pp1p1/p1n5/6P1/N2P1P1N/P1PKP2P/R1BQ1BR1 w k - 0 12 ; Best move: d3d4
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black queen at e7, black pawn at f7 and black pawn at h7. Black pawn at d6, black pawn at e6 and black pawn at g6. Black pawn at a5 and black knight at c5. White pawn at g4. White knight at a3, white pawn at d3, white pawn at f3 and white knight at h3. White pawn at a2, white pawn at c2, white king at d2, white pawn at e2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at g1. Black kingside is the only castle move available. Half move number is 0. Full move number is 12. White to move.