rn2k1r1/pb1q2b1/6pp/1ppppp2/1P1PnP1P/Q5P1/P1PNP3/R1K1BBNR b q - 2 15
FEN state: rn2k1r1/pb1q2b1/6pp/1ppppp2/1P1PnP1P/Q5P1/P1PNP3/R1K1BBNR b q - 2 15 ; Best move: e5d4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black rook at g8. Black pawn at a7, black bishop at b7, black queen at d7 and black bishop at g7. Black pawn at g6 and black pawn at h6. Black pawn at b5, black pawn at c5, black pawn at d5, black pawn at e5 and black pawn at f5. White pawn at b4, white pawn at d4, black knight at e4, white pawn at f4 and white pawn at h4. White queen at a3 and white pawn at g3. White pawn at a2, white pawn at c2, white knight at d2 and white pawn at e2. White rook at a1, white king at c1, white bishop at e1, white bishop at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 2. Full move number is 15. Black to move.