rn2k1nr/1bp2p1p/pp1qp3/3p2p1/2P1PPPP/BP6/P2PN2R/RQ2KB2 b Qkq - 0 13
FEN state: rn2k1nr/1bp2p1p/pp1qp3/3p2p1/2P1PPPP/BP6/P2PN2R/RQ2KB2 b Qkq - 0 13 ; Best move: d6a3
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black knight at g8 and black rook at h8. Black bishop at b7, black pawn at c7, black pawn at f7 and black pawn at h7. Black pawn at a6, black pawn at b6, black queen at d6 and black pawn at e6. Black pawn at d5 and black pawn at g5. White pawn at c4, white pawn at e4, white pawn at f4, white pawn at g4 and white pawn at h4. White bishop at a3 and white pawn at b3. White pawn at a2, white pawn at d2, white knight at e2 and white rook at h2. White rook at a1, white queen at b1, white king at e1 and white bishop at f1. White queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 13. Black to move.