Rrb1k1nr/1p1p2pp/2p2p2/4p3/1B2P1P1/1n6/1NPP4/1N1QKBR1 w k - 4 19
FEN state: Rrb1k1nr/1p1p2pp/2p2p2/4p3/1B2P1P1/1n6/1NPP4/1N1QKBR1 w k - 4 19 ; Best move: a8b8
The current state of the chess board is: White rook at a8, black rook at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at d7, black pawn at g7 and black pawn at h7. Black pawn at c6 and black pawn at f6. Black pawn at e5. White bishop at b4, white pawn at e4 and white pawn at g4. Black knight at b3. White knight at b2, white pawn at c2 and white pawn at d2. White knight at b1, white queen at d1, white king at e1, white bishop at f1 and white rook at g1. Black kingside is the only castle move available. Half move number is 4. Full move number is 19. White to move.