r3kbnr/4ppp1/p1n3q1/2pN1bB1/2PP2P1/5N1P/P2KPP2/R1Q2BR1 b kq - 6 15
FEN state: r3kbnr/4ppp1/p1n3q1/2pN1bB1/2PP2P1/5N1P/P2KPP2/R1Q2BR1 b kq - 6 15 ; Best move: f5e4
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at e7, black pawn at f7 and black pawn at g7. Black pawn at a6, black knight at c6 and black queen at g6. Black pawn at c5, white knight at d5, black bishop at f5 and white bishop at g5. White pawn at c4, white pawn at d4 and white pawn at g4. White knight at f3 and white pawn at h3. White pawn at a2, white king at d2, white pawn at e2 and white pawn at f2. White rook at a1, white queen at c1, white bishop at f1 and white rook at g1. Black kingside and black queenside castles are available. Half move number is 6. Full move number is 15. Black to move.