r3k1nr/p2pppbp/b1n5/1Ppq2p1/3QP3/1P1K4/P2PN1PP/RNB2BR1 b kq - 8 15
FEN state: r3k1nr/p2pppbp/b1n5/1Ppq2p1/3QP3/1P1K4/P2PN1PP/RNB2BR1 b kq - 8 15 ; Best move: c6b4
The current state of the chess board is: Black rook at a8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at d7, black pawn at e7, black pawn at f7, black bishop at g7 and black pawn at h7. Black bishop at a6 and black knight at c6. White pawn at b5, black pawn at c5, black queen at d5 and black pawn at g5. White queen at d4 and white pawn at e4. White pawn at b3 and white king at d3. White pawn at a2, white pawn at d2, white knight at e2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white bishop at f1 and white rook at g1. Black kingside and black queenside castles are available. Half move number is 8. Full move number is 15. Black to move.