r6r/p2n2bp/1p3ppn/2p1pk2/P1N1p2P/R1P5/1PqPKPP1/2B2BNR w - - 0 18
FEN state: r6r/p2n2bp/1p3ppn/2p1pk2/P1N1p2P/R1P5/1PqPKPP1/2B2BNR w - - 0 18 ; Best move: c4e3
The current state of the chess board is: Black rook at a8 and black rook at h8. Black pawn at a7, black knight at d7, black bishop at g7 and black pawn at h7. Black pawn at b6, black pawn at f6, black pawn at g6 and black knight at h6. Black pawn at c5, black pawn at e5 and black king at f5. White pawn at a4, white knight at c4, black pawn at e4 and white pawn at h4. White rook at a3 and white pawn at c3. White pawn at b2, black queen at c2, white pawn at d2, white king at e2, white pawn at f2 and white pawn at g2. White bishop at c1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. White to move.