rnb1k2r/pp3p1p/2p1qb2/1P1p2pP/4P3/8/PBPPKPNP/RN1Q1B1R b kq - 0 13
FEN state: rnb1k2r/pp3p1p/2p1qb2/1P1p2pP/4P3/8/PBPPKPNP/RN1Q1B1R b kq - 0 13 ; Best move: f6b2
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at f7 and black pawn at h7. Black pawn at c6, black queen at e6 and black bishop at f6. White pawn at b5, black pawn at d5, black pawn at g5 and white pawn at h5. White pawn at e4. White pawn at a2, white bishop at b2, white pawn at c2, white pawn at d2, white king at e2, white pawn at f2, white knight at g2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 13. Black to move.