rnb1qb2/3p1pp1/1p2k1nr/p3p1P1/P1p1N2p/1RPPPN1P/1P1BQP1R/4KB2 b - - 0 25
FEN state: rnb1qb2/3p1pp1/1p2k1nr/p3p1P1/P1p1N2p/1RPPPN1P/1P1BQP1R/4KB2 b - - 0 25 ; Best move: c4b3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at e8 and black bishop at f8. Black pawn at d7, black pawn at f7 and black pawn at g7. Black pawn at b6, black king at e6, black knight at g6 and black rook at h6. Black pawn at a5, black pawn at e5 and white pawn at g5. White pawn at a4, black pawn at c4, white knight at e4 and black pawn at h4. White rook at b3, white pawn at c3, white pawn at d3, white pawn at e3, white knight at f3 and white pawn at h3. White pawn at b2, white bishop at d2, white queen at e2, white pawn at f2 and white rook at h2. White king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 0. Full move number is 25. Black to move.