rnb4r/ppp3pp/2k1pp1n/4b3/6PP/P4K1N/1P1P1PR1/RqB1Q3 b - - 3 23
FEN state: rnb4r/ppp3pp/2k1pp1n/4b3/6PP/P4K1N/1P1P1PR1/RqB1Q3 b - - 3 23 ; Best move: b1d3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at g7 and black pawn at h7. Black king at c6, black pawn at e6, black pawn at f6 and black knight at h6. Black bishop at e5. White pawn at g4 and white pawn at h4. White pawn at a3, white king at f3 and white knight at h3. White pawn at b2, white pawn at d2, white pawn at f2 and white rook at g2. White rook at a1, black queen at b1, white bishop at c1 and white queen at e1. Both players have exhausted their castles. Half move number is 3. Full move number is 23. Black to move.