1n2k1nr/r2b1p2/3p1b2/1p2p2p/pP1PP1P1/3N4/PBPK2BP/RN2R3 w k - 2 21
FEN state: 1n2k1nr/r2b1p2/3p1b2/1p2p2p/pP1PP1P1/3N4/PBPK2BP/RN2R3 w k - 2 21 ; Best move: d4e5
The current state of the chess board is: Black knight at b8, black king at e8, black knight at g8 and black rook at h8. Black rook at a7, black bishop at d7 and black pawn at f7. Black pawn at d6 and black bishop at f6. Black pawn at b5, black pawn at e5 and black pawn at h5. Black pawn at a4, white pawn at b4, white pawn at d4, white pawn at e4 and white pawn at g4. White knight at d3. White pawn at a2, white bishop at b2, white pawn at c2, white king at d2, white bishop at g2 and white pawn at h2. White rook at a1, white knight at b1 and white rook at e1. Black kingside is the only castle move available. Half move number is 2. Full move number is 21. White to move.