r3k3/1bqpp3/1pp3p1/p4pp1/PnP1P1nP/1R1Q4/2P3P1/bN2KR2 b q - 4 23
FEN state: r3k3/1bqpp3/1pp3p1/p4pp1/PnP1P1nP/1R1Q4/2P3P1/bN2KR2 b q - 4 23 ; Best move: b4d3
The current state of the chess board is: Black rook at a8 and black king at e8. Black bishop at b7, black queen at c7, black pawn at d7 and black pawn at e7. Black pawn at b6, black pawn at c6 and black pawn at g6. Black pawn at a5, black pawn at f5 and black pawn at g5. White pawn at a4, black knight at b4, white pawn at c4, white pawn at e4, black knight at g4 and white pawn at h4. White rook at b3 and white queen at d3. White pawn at c2 and white pawn at g2. Black bishop at a1, white knight at b1, white king at e1 and white rook at f1. Black queenside is the only castle move available. Half move number is 4. Full move number is 23. Black to move.