1n1qkbn1/rb1p2p1/p2Bp2r/1pp2p2/3P1PPp/7P/PPP1P2R/RN1QKBN1 w Q - 0 13
FEN state: 1n1qkbn1/rb1p2p1/p2Bp2r/1pp2p2/3P1PPp/7P/PPP1P2R/RN1QKBN1 w Q - 0 13 ; Best move: d4c5
The current state of the chess board is: Black knight at b8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black rook at a7, black bishop at b7, black pawn at d7 and black pawn at g7. Black pawn at a6, white bishop at d6, black pawn at e6 and black rook at h6. Black pawn at b5, black pawn at c5 and black pawn at f5. White pawn at d4, white pawn at f4, white pawn at g4 and black pawn at h4. White pawn at h3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at e2 and white rook at h2. White rook at a1, white knight at b1, white queen at d1, white king at e1, white bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 13. White to move.