r3k1r1/4p1b1/p1np3n/1pP1B2p/6P1/P1K2P2/2P1P2P/RN2QB1R w q - 1 20
FEN state: r3k1r1/4p1b1/p1np3n/1pP1B2p/6P1/P1K2P2/2P1P2P/RN2QB1R w q - 1 20 ; Best move: e5g7
The current state of the chess board is: Black rook at a8, black king at e8 and black rook at g8. Black pawn at e7 and black bishop at g7. Black pawn at a6, black knight at c6, black pawn at d6 and black knight at h6. Black pawn at b5, white pawn at c5, white bishop at e5 and black pawn at h5. White pawn at g4. White pawn at a3, white king at c3 and white pawn at f3. White pawn at c2, white pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, white queen at e1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 20. White to move.