1rb1k1nr/p2p1pp1/7p/1pp1B3/Pn4P1/3q1NKP/R1P1P3/1N1Q1B1R b k - 0 21
FEN state: 1rb1k1nr/p2p1pp1/7p/1pp1B3/Pn4P1/3q1NKP/R1P1P3/1N1Q1B1R b k - 0 21 ; Best move: d3d1
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at d7, black pawn at f7 and black pawn at g7. Black pawn at h6. Black pawn at b5, black pawn at c5 and white bishop at e5. White pawn at a4, black knight at b4 and white pawn at g4. Black queen at d3, white knight at f3, white king at g3 and white pawn at h3. White rook at a2, white pawn at c2 and white pawn at e2. White knight at b1, white queen at d1, white bishop at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 21. Black to move.