rnb4r/1pk2p1p/2p2n1b/q2p2p1/pPP3P1/5Q1B/PB2PN1P/RNK4R w - - 2 18
FEN state: rnb4r/1pk2p1p/2p2n1b/q2p2p1/pPP3P1/5Q1B/PB2PN1P/RNK4R w - - 2 18 ; Best move: b2e5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black rook at h8. Black pawn at b7, black king at c7, black pawn at f7 and black pawn at h7. Black pawn at c6, black knight at f6 and black bishop at h6. Black queen at a5, black pawn at d5 and black pawn at g5. Black pawn at a4, white pawn at b4, white pawn at c4 and white pawn at g4. White queen at f3 and white bishop at h3. White pawn at a2, white bishop at b2, white pawn at e2, white knight at f2 and white pawn at h2. White rook at a1, white knight at b1, white king at c1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 18. White to move.