rnbq1br1/p1pkp2Q/1p1p4/6pp/1PP5/N2P2n1/P3NPPP/1RB1KB1R b K - 3 21
FEN state: rnbq1br1/p1pkp2Q/1p1p4/6pp/1PP5/N2P2n1/P3NPPP/1RB1KB1R b K - 3 21 ; Best move: g8g7
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at c7, black king at d7, black pawn at e7 and white queen at h7. Black pawn at b6 and black pawn at d6. Black pawn at g5 and black pawn at h5. White pawn at b4 and white pawn at c4. White knight at a3, white pawn at d3 and black knight at g3. White pawn at a2, white knight at e2, white pawn at f2, white pawn at g2 and white pawn at h2. 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 3. Full move number is 21. Black to move.