r1bqk1r1/1pp1pp1p/p5pb/4n1N1/P3PPn1/2Pp1B1P/RP1P2P1/1NBQK1R1 b q - 1 13
FEN state: r1bqk1r1/1pp1pp1p/p5pb/4n1N1/P3PPn1/2Pp1B1P/RP1P2P1/1NBQK1R1 b q - 1 13 ; Best move: h6g5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black rook at g8. Black pawn at b7, black pawn at c7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at a6, black pawn at g6 and black bishop at h6. Black knight at e5 and white knight at g5. White pawn at a4, white pawn at e4, white pawn at f4 and black knight at g4. White pawn at c3, black pawn at d3, white bishop at f3 and white pawn at h3. White rook at a2, white pawn at b2, white pawn at d2 and white pawn at g2. White knight at b1, white bishop at c1, white queen at d1, white king at e1 and white rook at g1. Black queenside is the only castle move available. Half move number is 1. Full move number is 13. Black to move.