1r2kb2/n3p1pr/p3P2p/1ppp1P1P/P2N4/2Nq3B/RBPPQ2P/4K2R b K - 1 20
FEN state: 1r2kb2/n3p1pr/p3P2p/1ppp1P1P/P2N4/2Nq3B/RBPPQ2P/4K2R b K - 1 20 ; Best move: d3h3
The current state of the chess board is: Black rook at b8, black king at e8 and black bishop at f8. Black knight at a7, black pawn at e7, black pawn at g7 and black rook at h7. Black pawn at a6, white pawn at e6 and black pawn at h6. Black pawn at b5, black pawn at c5, black pawn at d5, white pawn at f5 and white pawn at h5. White pawn at a4 and white knight at d4. White knight at c3, black queen at d3 and white bishop at h3. White rook at a2, white bishop at b2, white pawn at c2, white pawn at d2, white queen at e2 and white pawn at h2. White king at e1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 20. Black to move.