r1q2b1r/p2kp1pp/n1pp3n/1p6/PPBN2b1/N2PP3/RBP2PPP/3QK1R1 b - - 2 13
FEN state: r1q2b1r/p2kp1pp/n1pp3n/1p6/PPBN2b1/N2PP3/RBP2PPP/3QK1R1 b - - 2 13 ; Best move: b5c4
The current state of the chess board is: Black rook at a8, black queen at c8, black bishop at f8 and black rook at h8. Black pawn at a7, black king at d7, black pawn at e7, black pawn at g7 and black pawn at h7. Black knight at a6, black pawn at c6, black pawn at d6 and black knight at h6. Black pawn at b5. White pawn at a4, white pawn at b4, white bishop at c4, white knight at d4 and black bishop at g4. White knight at a3, white pawn at d3 and white pawn at e3. White rook at a2, white bishop at b2, white pawn at c2, white pawn at f2, white pawn at g2 and white pawn at h2. White queen at d1, white king at e1 and white rook at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 13. Black to move.