r1b1kb1r/2ppqp2/pp5p/4n1p1/2QpP3/PPP3PR/4KP2/RNB2BN1 b kq - 2 13
FEN state: r1b1kb1r/2ppqp2/pp5p/4n1p1/2QpP3/PPP3PR/4KP2/RNB2BN1 b kq - 2 13 ; Best move: e5c4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at c7, black pawn at d7, black queen at e7 and black pawn at f7. Black pawn at a6, black pawn at b6 and black pawn at h6. Black knight at e5 and black pawn at g5. White queen at c4, black pawn at d4 and white pawn at e4. White pawn at a3, white pawn at b3, white pawn at c3, white pawn at g3 and white rook at h3. White king at e2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, 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.