4k3/1b3n1r/r1p5/pp1pB2p/1bP1N3/NP1PP2P/n4PP1/3RKB1R w K - 4 23
FEN state: 4k3/1b3n1r/r1p5/pp1pB2p/1bP1N3/NP1PP2P/n4PP1/3RKB1R w K - 4 23 ; Best move: e4d2
The current state of the chess board is: Black king at e8. Black bishop at b7, black knight at f7 and black rook at h7. Black rook at a6 and black pawn at c6. Black pawn at a5, black pawn at b5, black pawn at d5, white bishop at e5 and black pawn at h5. Black bishop at b4, white pawn at c4 and white knight at e4. White knight at a3, white pawn at b3, white pawn at d3, white pawn at e3 and white pawn at h3. Black knight at a2, white pawn at f2 and white pawn at g2. White rook 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 4. Full move number is 23. White to move.