r1b1kb1r/pp1pqp1p/4p3/1Qp3p1/2n5/P1N2NP1/RP1P1P1P/2B1KBR1 w kq - 4 13
FEN state: r1b1kb1r/pp1pqp1p/4p3/1Qp3p1/2n5/P1N2NP1/RP1P1P1P/2B1KBR1 w kq - 4 13 ; Best move: b5c4
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 a7, black pawn at b7, black pawn at d7, black queen at e7, black pawn at f7 and black pawn at h7. Black pawn at e6. White queen at b5, black pawn at c5 and black pawn at g5. Black knight at c4. White pawn at a3, white knight at c3, white knight at f3 and white pawn at g3. White rook at a2, white pawn at b2, white pawn at d2, white pawn at f2 and white pawn at h2. White bishop at c1, white king at e1, white bishop at f1 and white rook at g1. Black kingside and black queenside castles are available. Half move number is 4. Full move number is 13. White to move.