rn1k3b/4p3/pp3pr1/2pp3p/4P1P1/1PP1B2P/P2NP1P1/1R2KBNR w - - 0 23
FEN state: rn1k3b/4p3/pp3pr1/2pp3p/4P1P1/1PP1B2P/P2NP1P1/1R2KBNR w - - 0 23 ; Best move: e4d5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at d8 and black bishop at h8. Black pawn at e7. Black pawn at a6, black pawn at b6, black pawn at f6 and black rook at g6. Black pawn at c5, black pawn at d5 and black pawn at h5. White pawn at e4 and white pawn at g4. White pawn at b3, white pawn at c3, white bishop at e3 and white pawn at h3. White pawn at a2, white knight at d2, white pawn at e2 and white pawn at g2. White rook at b1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. White to move.