r1bb1knr/p1p2p2/n1p1q1p1/3PpP2/1PP1P1Pp/N4B2/P4K1P/R1B3NR w - - 5 18
FEN state: r1bb1knr/p1p2p2/n1p1q1p1/3PpP2/1PP1P1Pp/N4B2/P4K1P/R1B3NR w - - 5 18 ; Best move: d5e6
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at d8, black king at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7 and black pawn at f7. Black knight at a6, black pawn at c6, black queen at e6 and black pawn at g6. White pawn at d5, black pawn at e5 and white pawn at f5. White pawn at b4, white pawn at c4, white pawn at e4, white pawn at g4 and black pawn at h4. White knight at a3 and white bishop at f3. White pawn at a2, white king at f2 and white pawn at h2. White rook at a1, white bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 5. Full move number is 18. White to move.