r1b1k1r1/p6p/1pppqp2/1nP3p1/P3PP2/1PRP1nPP/2N5/4KBNR w Kq - 1 20
FEN state: r1b1k1r1/p6p/1pppqp2/1nP3p1/P3PP2/1PRP1nPP/2N5/4KBNR w Kq - 1 20 ; Best move: g1f3
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black rook at g8. Black pawn at a7 and black pawn at h7. Black pawn at b6, black pawn at c6, black pawn at d6, black queen at e6 and black pawn at f6. Black knight at b5, white pawn at c5 and black pawn at g5. White pawn at a4, white pawn at e4 and white pawn at f4. White pawn at b3, white rook at c3, white pawn at d3, black knight at f3, white pawn at g3 and white pawn at h3. White knight at c2. White king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 1. Full move number is 20. White to move.