rnb3nr/2p1b1pp/p2p2k1/1p3p2/1P1Pp2P/1qP1PN2/PBN2PP1/RQK2B1R b - - 4 15
FEN state: rnb3nr/2p1b1pp/p2p2k1/1p3p2/1P1Pp2P/1qP1PN2/PBN2PP1/RQK2B1R b - - 4 15 ; Best move: b3d5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at c7, black bishop at e7, black pawn at g7 and black pawn at h7. Black pawn at a6, black pawn at d6 and black king at g6. Black pawn at b5 and black pawn at f5. White pawn at b4, white pawn at d4, black pawn at e4 and white pawn at h4. Black queen at b3, white pawn at c3, white pawn at e3 and white knight at f3. White pawn at a2, white bishop at b2, white knight at c2, white pawn at f2 and white pawn at g2. White rook at a1, white queen at b1, white king at c1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 15. Black to move.