r3kbn1/3q4/bp2pn1r/P2p1p1p/P3P1P1/3P1P2/2Q4P/RNB1KB1R w KQq - 4 18
FEN state: r3kbn1/3q4/bp2pn1r/P2p1p1p/P3P1P1/3P1P2/2Q4P/RNB1KB1R w KQq - 4 18 ; Best move: g4g5
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and black knight at g8. Black queen at d7. Black bishop at a6, black pawn at b6, black pawn at e6, black knight at f6 and black rook at h6. White pawn at a5, black pawn at d5, black pawn at f5 and black pawn at h5. White pawn at a4, white pawn at e4 and white pawn at g4. White pawn at d3 and white pawn at f3. White queen at c2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside and black queenside castles are available. Half move number is 4. Full move number is 18. White to move.