1r3Rr1/1pp2ppp/p4n2/2k5/P1n2Pb1/4qN1P/1P1NP1P1/1RB1KB1R b K - 0 18
FEN state: 1r3Rr1/1pp2ppp/p4n2/2k5/P1n2Pb1/4qN1P/1P1NP1P1/1RB1KB1R b K - 0 18 ; Best move: g4f3
The current state of the chess board is: Black rook at b8, white rook at f8 and black rook at g8. Black pawn at b7, black pawn at c7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at a6 and black knight at f6. Black king at c5. White pawn at a4, black knight at c4, white pawn at f4 and black bishop at g4. Black queen at e3, white knight at f3 and white pawn at h3. White pawn at b2, white knight at d2, white pawn at e2 and white pawn at g2. White rook at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 18. Black to move.