rnb3kr/p4pbp/2np3P/1pP1pN1p/P1P1BNP1/R2P4/1B1P4/Q2K4 b - - 15 24
FEN state: rnb3kr/p4pbp/2np3P/1pP1pN1p/P1P1BNP1/R2P4/1B1P4/Q2K4 b - - 15 24 ; Best move: b5b4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at g8 and black rook at h8. Black pawn at a7, black pawn at f7, black bishop at g7 and black pawn at h7. Black knight at c6, black pawn at d6 and white pawn at h6. Black pawn at b5, white pawn at c5, black pawn at e5, white knight at f5 and black pawn at h5. White pawn at a4, white pawn at c4, white bishop at e4, white knight at f4 and white pawn at g4. White rook at a3 and white pawn at d3. White bishop at b2 and white pawn at d2. White queen at a1 and white king at d1. Both players have exhausted their castles. Half move number is 15. Full move number is 24. Black to move.