1rq2b1r/pppnk1p1/1Q3p2/2Pp2n1/5pbp/PPN1P2P/RB1PN1P1/4KB1R w K - 13 19
FEN state: 1rq2b1r/pppnk1p1/1Q3p2/2Pp2n1/5pbp/PPN1P2P/RB1PN1P1/4KB1R w K - 13 19 ; Best move: b6a5
The current state of the chess board is: Black rook at b8, black queen at c8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black knight at d7, black king at e7 and black pawn at g7. White queen at b6 and black pawn at f6. White pawn at c5, black pawn at d5 and black knight at g5. Black pawn at f4, black bishop at g4 and black pawn at h4. White pawn at a3, white pawn at b3, white knight at c3, white pawn at e3 and white pawn at h3. White rook at a2, white bishop at b2, white pawn at d2, white knight at e2 and white pawn at g2. 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 13. Full move number is 19. White to move.