r1b1kb2/pqp4r/4pp1n/1pPpNp1p/P2P2PP/3P4/RPQ1N3/2B1KB1R w K - 2 19
FEN state: r1b1kb2/pqp4r/4pp1n/1pPpNp1p/P2P2PP/3P4/RPQ1N3/2B1KB1R w K - 2 19 ; Best move: g4g5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black bishop at f8. Black pawn at a7, black queen at b7, black pawn at c7 and black rook at h7. Black pawn at e6, black pawn at f6 and black knight at h6. Black pawn at b5, white pawn at c5, black pawn at d5, white knight at e5, black pawn at f5 and black pawn at h5. White pawn at a4, white pawn at d4, white pawn at g4 and white pawn at h4. White pawn at d3. White rook at a2, white pawn at b2, white queen at c2 and white knight at e2. White bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 2. Full move number is 19. White to move.