r1b3nr/p2n1k1p/2p2p2/Q2pq1p1/2p1P3/NP2B2P/P4PP1/2R1KBNR b - - 5 15
FEN state: r1b3nr/p2n1k1p/2p2p2/Q2pq1p1/2p1P3/NP2B2P/P4PP1/2R1KBNR b - - 5 15 ; Best move: e5e4
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at a7, black knight at d7, black king at f7 and black pawn at h7. Black pawn at c6 and black pawn at f6. White queen at a5, black pawn at d5, black queen at e5 and black pawn at g5. Black pawn at c4 and white pawn at e4. White knight at a3, white pawn at b3, white bishop at e3 and white pawn at h3. White pawn at a2, white pawn at f2 and white pawn at g2. White rook at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 5. Full move number is 15. Black to move.