r1b2b1r/p1p1pp1p/4k1p1/2pq4/4P1n1/P2P2P1/1P2NP2/1RBNKnR1 w - - 1 18
FEN state: r1b2b1r/p1p1pp1p/4k1p1/2pq4/4P1n1/P2P2P1/1P2NP2/1RBNKnR1 w - - 1 18 ; Best move: e4d5
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at e7, black pawn at f7 and black pawn at h7. Black king at e6 and black pawn at g6. Black pawn at c5 and black queen at d5. White pawn at e4 and black knight at g4. White pawn at a3, white pawn at d3 and white pawn at g3. White pawn at b2, white knight at e2 and white pawn at f2. White rook at b1, white bishop at c1, white knight at d1, white king at e1, black knight at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 18. White to move.