r1b1kb1r/4pN1p/p1n2np1/2qp1p2/1P3PQ1/4P1P1/P1PB3P/RN2KBR1 w Qkq - 3 18
FEN state: r1b1kb1r/4pN1p/p1n2np1/2qp1p2/1P3PQ1/4P1P1/P1PB3P/RN2KBR1 w Qkq - 3 18 ; Best move: b4c5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at e7, white knight at f7 and black pawn at h7. Black pawn at a6, black knight at c6, black knight at f6 and black pawn at g6. Black queen at c5, black pawn at d5 and black pawn at f5. White pawn at b4, white pawn at f4 and white queen at g4. White pawn at e3 and white pawn at g3. White pawn at a2, white pawn at c2, white bishop at d2 and white pawn at h2. White rook at a1, white knight at b1, white king at e1, white bishop at f1 and white rook at g1. White queenside, black kingside and black queenside castles are available. Half move number is 3. Full move number is 18. White to move.