rn2kbr1/2p5/p2qBpP1/1p4Rp/3p4/NPP2P2/PR1P3P/2BQ1KN1 b q - 1 23
FEN state: rn2kbr1/2p5/p2qBpP1/1p4Rp/3p4/NPP2P2/PR1P3P/2BQ1KN1 b q - 1 23 ; Best move: d6e6
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at c7. Black pawn at a6, black queen at d6, white bishop at e6, black pawn at f6 and white pawn at g6. Black pawn at b5, white rook at g5 and black pawn at h5. Black pawn at d4. White knight at a3, white pawn at b3, white pawn at c3 and white pawn at f3. White pawn at a2, white rook at b2, white pawn at d2 and white pawn at h2. White bishop at c1, white queen at d1, white king at f1 and white knight at g1. Black queenside is the only castle move available. Half move number is 1. Full move number is 23. Black to move.