1rbnkbr1/2qp1ppp/p2p3n/1p6/4pN2/2P1P3/PP1PQPPP/R1B1KBR1 b Q - 3 15
FEN state: 1rbnkbr1/2qp1ppp/p2p3n/1p6/4pN2/2P1P3/PP1PQPPP/R1B1KBR1 b Q - 3 15 ; Best move: c8b7
The current state of the chess board is: Black rook at b8, black bishop at c8, black knight at d8, black king at e8, black bishop at f8 and black rook at g8. Black queen at c7, black pawn at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at a6, black pawn at d6 and black knight at h6. Black pawn at b5. Black pawn at e4 and white knight at f4. White pawn at c3 and white pawn at e3. White pawn at a2, white pawn at b2, white pawn at d2, white queen at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1 and white rook at g1. White queenside is the only castle move available. Half move number is 3. Full move number is 15. Black to move.