1rb1k1nr/p4p1p/3pp1p1/1p2N3/Pb1PP1PP/3pK3/P1PNQP2/R1B3R1 w k - 1 21
FEN state: 1rb1k1nr/p4p1p/3pp1p1/1p2N3/Pb1PP1PP/3pK3/P1PNQP2/R1B3R1 w k - 1 21 ; Best move: e5d3
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at f7 and black pawn at h7. Black pawn at d6, black pawn at e6 and black pawn at g6. Black pawn at b5 and white knight at e5. White pawn at a4, black bishop at b4, white pawn at d4, white pawn at e4, white pawn at g4 and white pawn at h4. Black pawn at d3 and white king at e3. White pawn at a2, white pawn at c2, white knight at d2, white queen at e2 and white pawn at f2. White rook at a1, white bishop at c1 and white rook at g1. Black kingside is the only castle move available. Half move number is 1. Full move number is 21. White to move.