r1q1k1nr/1p2p2p/nN5b/pp1pN1p1/3PP3/P1P4P/3Q1PP1/1R1bKB1R b K - 7 21
FEN state: r1q1k1nr/1p2p2p/nN5b/pp1pN1p1/3PP3/P1P4P/3Q1PP1/1R1bKB1R b K - 7 21 ; Best move: g5g4
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at e7 and black pawn at h7. Black knight at a6, white knight at b6 and black bishop at h6. Black pawn at a5, black pawn at b5, black pawn at d5, white knight at e5 and black pawn at g5. White pawn at d4 and white pawn at e4. White pawn at a3, white pawn at c3 and white pawn at h3. White queen at d2, white pawn at f2 and white pawn at g2. White rook at b1, black bishop at d1, 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 7. Full move number is 21. Black to move.