1rbnk2r/3pqp1p/1p3np1/p1p1p1b1/P1P3PP/3PPP2/1P1K1Q2/RNB2BNR w k - 2 13
FEN state: 1rbnk2r/3pqp1p/1p3np1/p1p1p1b1/P1P3PP/3PPP2/1P1K1Q2/RNB2BNR w k - 2 13 ; Best move: h4g5
The current state of the chess board is: Black rook at b8, black bishop at c8, black knight at d8, black king at e8 and black rook at h8. Black pawn at d7, black queen at e7, black pawn at f7 and black pawn at h7. Black pawn at b6, black knight at f6 and black pawn at g6. Black pawn at a5, black pawn at c5, black pawn at e5 and black bishop at g5. White pawn at a4, white pawn at c4, white pawn at g4 and white pawn at h4. White pawn at d3, white pawn at e3 and white pawn at f3. White pawn at b2, white king at d2 and white queen at f2. White rook at a1, white knight at b1, white bishop at c1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 2. Full move number is 13. White to move.