rnb1kb1r/pp1pn3/4p2p/2p3P1/2q1p3/PP3PKN/2PP2PR/R1BQ1BN1 b kq - 2 13
FEN state: rnb1kb1r/pp1pn3/4p2p/2p3P1/2q1p3/PP3PKN/2PP2PR/R1BQ1BN1 b kq - 2 13 ; Best move: e7f5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7 and black knight at e7. Black pawn at e6 and black pawn at h6. Black pawn at c5 and white pawn at g5. Black queen at c4 and black pawn at e4. White pawn at a3, white pawn at b3, white pawn at f3, white king at g3 and white knight at h3. White pawn at c2, white pawn at d2, white pawn at g2 and white rook at h2. White rook at a1, white bishop at c1, white queen at d1, white bishop at f1 and white knight at g1. Black kingside and black queenside castles are available. Half move number is 2. Full move number is 13. Black to move.