rn3bnr/3b1kpp/pp1ppp2/2p5/4qPQ1/PPPB2P1/3PN2P/RNB1R1K1 w - - 0 18
FEN state: rn3bnr/3b1kpp/pp1ppp2/2p5/4qPQ1/PPPB2P1/3PN2P/RNB1R1K1 w - - 0 18 ; Best move: d3e4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8, black knight at g8 and black rook at h8. Black bishop at d7, black king at f7, black pawn at g7 and black pawn at h7. Black pawn at a6, black pawn at b6, black pawn at d6, black pawn at e6 and black pawn at f6. Black pawn at c5. Black queen at e4, white pawn at f4 and white queen at g4. White pawn at a3, white pawn at b3, white pawn at c3, white bishop at d3 and white pawn at g3. White pawn at d2, white knight at e2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white rook at e1 and white king at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. White to move.