3qkb1r/r3p3/1p1p2Pn/2pn4/p1PN3p/4P2P/PP1PKP2/R1BQ3R w k - 0 20
FEN state: 3qkb1r/r3p3/1p1p2Pn/2pn4/p1PN3p/4P2P/PP1PKP2/R1BQ3R w k - 0 20 ; Best move: d4e6
The current state of the chess board is: Black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black rook at a7 and black pawn at e7. Black pawn at b6, black pawn at d6, white pawn at g6 and black knight at h6. Black pawn at c5 and black knight at d5. Black pawn at a4, white pawn at c4, white knight at d4 and black pawn at h4. White pawn at e3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at d2, white king at e2 and white pawn at f2. White rook at a1, white bishop at c1, white queen at d1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 20. White to move.