rn6/1pqk1p2/3b1nrp/p1Ppp3/3Q1Bb1/P1P1K2P/1P2PP2/RN3BNR w - - 7 18
FEN state: rn6/1pqk1p2/3b1nrp/p1Ppp3/3Q1Bb1/P1P1K2P/1P2PP2/RN3BNR w - - 7 18 ; Best move: d4a4
The current state of the chess board is: Black rook at a8 and black knight at b8. Black pawn at b7, black queen at c7, black king at d7 and black pawn at f7. Black bishop at d6, black knight at f6, black rook at g6 and black pawn at h6. Black pawn at a5, white pawn at c5, black pawn at d5 and black pawn at e5. White queen at d4, white bishop at f4 and black bishop at g4. White pawn at a3, white pawn at c3, white king at e3 and white pawn at h3. White pawn at b2, white pawn at e2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 7. Full move number is 18. White to move.