r3kbnr/4pp1p/npp5/p2p1P1p/1q2P1P1/2NB1Q1b/P1PP1N2/1RB1K3 w kq - 0 15
FEN state: r3kbnr/4pp1p/npp5/p2p1P1p/1q2P1P1/2NB1Q1b/P1PP1N2/1RB1K3 w kq - 0 15 ; Best move: b1b4
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 h7. Black knight at a6, black pawn at b6 and black pawn at c6. Black pawn at a5, black pawn at d5, white pawn at f5 and black pawn at h5. Black queen at b4, white pawn at e4 and white pawn at g4. White knight at c3, white bishop at d3, white queen at f3 and black bishop at h3. White pawn at a2, white pawn at c2, white pawn at d2 and white knight at f2. White rook at b1, white bishop at c1 and white king at e1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 15. White to move.