2bqk1nr/r1p4N/1p1p1pp1/p7/2Knp1PP/N3PP2/PbPP4/2RQ1B1R w k - 2 21
FEN state: 2bqk1nr/r1p4N/1p1p1pp1/p7/2Knp1PP/N3PP2/PbPP4/2RQ1B1R w k - 2 21 ; Best move: e3d4
The current state of the chess board is: Black bishop at c8, black queen at d8, black king at e8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at c7 and white knight at h7. Black pawn at b6, black pawn at d6, black pawn at f6 and black pawn at g6. Black pawn at a5. White king at c4, black knight at d4, black pawn at e4, white pawn at g4 and white pawn at h4. White knight at a3, white pawn at e3 and white pawn at f3. White pawn at a2, black bishop at b2, white pawn at c2 and white pawn at d2. White rook at c1, white queen at d1, white bishop at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 2. Full move number is 21. White to move.