rn1qk3/p3ppb1/1Q6/2Pn3p/1p1p3p/1P2B1P1/P1PNPPb1/RN2KB1R w q - 6 22
FEN state: rn1qk3/p3ppb1/1Q6/2Pn3p/1p1p3p/1P2B1P1/P1PNPPb1/RN2KB1R w q - 6 22 ; Best move: b6d8
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8 and black king at e8. Black pawn at a7, black pawn at e7, black pawn at f7 and black bishop at g7. White queen at b6. White pawn at c5, black knight at d5 and black pawn at h5. Black pawn at b4, black pawn at d4 and black pawn at h4. White pawn at b3, white bishop at e3 and white pawn at g3. White pawn at a2, white pawn at c2, white knight at d2, white pawn at e2, white pawn at f2 and black bishop at g2. White rook at a1, white knight at b1, white king at e1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 6. Full move number is 22. White to move.