1r3br1/p1N1k3/1p2p1p1/1bpp3p/P2P1PP1/1P2KpP1/2PB2B1/R3QR2 w - - 1 23
FEN state: 1r3br1/p1N1k3/1p2p1p1/1bpp3p/P2P1PP1/1P2KpP1/2PB2B1/R3QR2 w - - 1 23 ; Best move: a4b5
The current state of the chess board is: Black rook at b8, black bishop at f8 and black rook at g8. Black pawn at a7, white knight at c7 and black king at e7. Black pawn at b6, black pawn at e6 and black pawn at g6. Black bishop at b5, black pawn at c5, black pawn at d5 and black pawn at h5. White pawn at a4, white pawn at d4, white pawn at f4 and white pawn at g4. White pawn at b3, white king at e3, black pawn at f3 and white pawn at g3. White pawn at c2, white bishop at d2 and white bishop at g2. White rook at a1, white queen at e1 and white rook at f1. Both players have exhausted their castles. Half move number is 1. Full move number is 23. White to move.