rnbq2r1/p2pk2p/2p1p2b/1p4p1/1P1PpPP1/2N5/P1P1B2P/RQK1N2R w - - 0 18
FEN state: rnbq2r1/p2pk2p/2p1p2b/1p4p1/1P1PpPP1/2N5/P1P1B2P/RQK1N2R w - - 0 18 ; Best move: c3e4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8 and black rook at g8. Black pawn at a7, black pawn at d7, black king at e7 and black pawn at h7. Black pawn at c6, black pawn at e6 and black bishop at h6. Black pawn at b5 and black pawn at g5. White pawn at b4, white pawn at d4, black pawn at e4, white pawn at f4 and white pawn at g4. White knight at c3. White pawn at a2, white pawn at c2, white bishop at e2 and white pawn at h2. White rook at a1, white queen at b1, white king at c1, white knight at e1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. White to move.