r1b1kr1q/1p5p/n7/p1ppppp1/2P1P1n1/P2P3P/1P1K1P1R/RNBQ1BN1 b q - 1 18
FEN state: r1b1kr1q/1p5p/n7/p1ppppp1/2P1P1n1/P2P3P/1P1K1P1R/RNBQ1BN1 b q - 1 18 ; Best move: g4h2
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black rook at f8 and black queen at h8. Black pawn at b7 and black pawn at h7. Black knight at a6. Black pawn at a5, black pawn at c5, black pawn at d5, black pawn at e5, black pawn at f5 and black pawn at g5. White pawn at c4, white pawn at e4 and black knight at g4. White pawn at a3, white pawn at d3 and white pawn at h3. White pawn at b2, white king at d2, white pawn at f2 and white rook at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white bishop at f1 and white knight at g1. Black queenside is the only castle move available. Half move number is 1. Full move number is 18. Black to move.