1r1qk1nr/2pn3p/bp2ppp1/p2p4/1BNP2P1/1PPKb3/P3PP1P/R3QBNR w k - 1 20
FEN state: 1r1qk1nr/2pn3p/bp2ppp1/p2p4/1BNP2P1/1PPKb3/P3PP1P/R3QBNR w k - 1 20 ; Best move: d3e3
The current state of the chess board is: Black rook at b8, black queen at d8, black king at e8, black knight at g8 and black rook at h8. Black pawn at c7, black knight at d7 and black pawn at h7. Black bishop at a6, black pawn at b6, black pawn at e6, black pawn at f6 and black pawn at g6. Black pawn at a5 and black pawn at d5. White bishop at b4, white knight at c4, white pawn at d4 and white pawn at g4. White pawn at b3, white pawn at c3, white king at d3 and black bishop at e3. White pawn at a2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white queen at e1, 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 1. Full move number is 20. White to move.