1rb1kb1r/p2p4/1pp2ppp/1n6/5PP1/P2P4/NPP1P2P/R1BQKBR1 w Qk - 1 15
FEN state: 1rb1kb1r/p2p4/1pp2ppp/1n6/5PP1/P2P4/NPP1P2P/R1BQKBR1 w Qk - 1 15 ; Best move: a3a4
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7 and black pawn at d7. Black pawn at b6, black pawn at c6, black pawn at f6, black pawn at g6 and black pawn at h6. Black knight at b5. White pawn at f4 and white pawn at g4. White pawn at a3 and white pawn at d3. White knight at a2, white pawn at b2, white pawn at c2, white pawn at e2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at g1. White queenside and black kingside castles are available. Half move number is 1. Full move number is 15. White to move.