r2qk1nr/p1p1ppbN/n2p4/1p5b/2PPP3/8/PP2BPPP/RNB1K2R w KQkq - 1 13
FEN state: r2qk1nr/p1p1ppbN/n2p4/1p5b/2PPP3/8/PP2BPPP/RNB1K2R w KQkq - 1 13 ; Best move: g2g4
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at e7, black pawn at f7, black bishop at g7 and white knight at h7. Black knight at a6 and black pawn at d6. Black pawn at b5 and black bishop at h5. White pawn at c4, white pawn at d4 and white pawn at e4. White pawn at a2, white pawn at b2, white bishop at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 1. Full move number is 13. White to move.