r3qk1r/p1pp2p1/b1n1p2p/1p3p2/1b1PnPPP/6R1/P1PBPN2/1R1QKBN1 w - - 5 18
FEN state: r3qk1r/p1pp2p1/b1n1p2p/1p3p2/1b1PnPPP/6R1/P1PBPN2/1R1QKBN1 w - - 5 18 ; Best move: f2e4
The current state of the chess board is: Black rook at a8, black queen at e8, black king at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7 and black pawn at g7. Black bishop at a6, black knight at c6, black pawn at e6 and black pawn at h6. Black pawn at b5 and black pawn at f5. Black bishop at b4, white pawn at d4, black knight at e4, white pawn at f4, white pawn at g4 and white pawn at h4. White rook at g3. White pawn at a2, white pawn at c2, white bishop at d2, white pawn at e2 and white knight at f2. White rook at b1, white queen at d1, white king at e1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 5. Full move number is 18. White to move.