rn1q1bn1/p1p1k2r/b3pp1p/1p4p1/1PP3P1/N2pP2P/P2P1PN1/R1BQK2R b - - 0 15
FEN state: rn1q1bn1/p1p1k2r/b3pp1p/1p4p1/1PP3P1/N2pP2P/P2P1PN1/R1BQK2R b - - 0 15 ; Best move: b5c4
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at c7, black king at e7 and black rook at h7. Black bishop at a6, black pawn at e6, black pawn at f6 and black pawn at h6. Black pawn at b5 and black pawn at g5. White pawn at b4, white pawn at c4 and white pawn at g4. White knight at a3, black pawn at d3, white pawn at e3 and white pawn at h3. White pawn at a2, white pawn at d2, white pawn at f2 and white knight at g2. White rook at a1, white bishop at c1, white queen at d1, white king at e1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 15. Black to move.