rnb3r1/1p1pn1bp/4p1k1/5Np1/PpBP2P1/4P2P/2PN1P2/R1B2K1R w - - 4 23
FEN state: rnb3r1/1p1pn1bp/4p1k1/5Np1/PpBP2P1/4P2P/2PN1P2/R1B2K1R w - - 4 23 ; Best move: f5e7
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black rook at g8. Black pawn at b7, black pawn at d7, black knight at e7, black bishop at g7 and black pawn at h7. Black pawn at e6 and black king at g6. White knight at f5 and black pawn at g5. White pawn at a4, black pawn at b4, white bishop at c4, white pawn at d4 and white pawn at g4. White pawn at e3 and white pawn at h3. White pawn at c2, white knight at d2 and white pawn at f2. White rook at a1, white bishop at c1, white king at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 23. White to move.