r1b1kbr1/p1pp1p1p/1pn4n/PP2p1p1/7P/2P2P1R/2QPPKP1/RNB2BN1 b q - 0 12
FEN state: r1b1kbr1/p1pp1p1p/1pn4n/PP2p1p1/7P/2P2P1R/2QPPKP1/RNB2BN1 b q - 0 12 ; Best move: g5g4
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 g8. Black pawn at a7, black pawn at c7, black pawn at d7, black pawn at f7 and black pawn at h7. Black pawn at b6, black knight at c6 and black knight at h6. White pawn at a5, white pawn at b5, black pawn at e5 and black pawn at g5. White pawn at h4. White pawn at c3, white pawn at f3 and white rook at h3. White queen at c2, white pawn at d2, white pawn at e2, white king at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white bishop at f1 and white knight at g1. Black queenside is the only castle move available. Half move number is 0. Full move number is 12. Black to move.