rn1q2rb/2pk4/pp1p1p1p/2PNp3/1P5P/P3P2R/3P1PB1/R1B1K1N1 w Q - 1 20
FEN state: rn1q2rb/2pk4/pp1p1p1p/2PNp3/1P5P/P3P2R/3P1PB1/R1B1K1N1 w Q - 1 20 ; Best move: h3g3
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black rook at g8 and black bishop at h8. Black pawn at c7 and black king at d7. Black pawn at a6, black pawn at b6, black pawn at d6, black pawn at f6 and black pawn at h6. White pawn at c5, white knight at d5 and black pawn at e5. White pawn at b4 and white pawn at h4. White pawn at a3, white pawn at e3 and white rook at h3. White pawn at d2, white pawn at f2 and white bishop at g2. White rook at a1, white bishop at c1, white king at e1 and white knight at g1. White queenside is the only castle move available. Half move number is 1. Full move number is 20. White to move.