rnb1q2r/3pk1bp/p1p1pppn/4Q3/1p3P2/1PPPP2N/P5PP/RNBK1BR1 w - - 2 18
FEN state: rnb1q2r/3pk1bp/p1p1pppn/4Q3/1p3P2/1PPPP2N/P5PP/RNBK1BR1 w - - 2 18 ; Best move: e5a5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at e8 and black rook at h8. Black pawn at d7, black king at e7, black bishop at g7 and black pawn at h7. Black pawn at a6, black pawn at c6, black pawn at e6, black pawn at f6, black pawn at g6 and black knight at h6. White queen at e5. Black pawn at b4 and white pawn at f4. White pawn at b3, white pawn at c3, white pawn at d3, white pawn at e3 and white knight at h3. White pawn at a2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at d1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 18. White to move.