1nb4r/1r1pkp2/6pp/pP3P1n/2p1p2P/N1b1P3/1P1P2B1/R1B1K1NR w - - 1 21
FEN state: 1nb4r/1r1pkp2/6pp/pP3P1n/2p1p2P/N1b1P3/1P1P2B1/R1B1K1NR w - - 1 21 ; Best move: b2c3
The current state of the chess board is: Black knight at b8, black bishop at c8 and black rook at h8. Black rook at b7, black pawn at d7, black king at e7 and black pawn at f7. Black pawn at g6 and black pawn at h6. Black pawn at a5, white pawn at b5, white pawn at f5 and black knight at h5. Black pawn at c4, black pawn at e4 and white pawn at h4. White knight at a3, black bishop at c3 and white pawn at e3. White pawn at b2, white pawn at d2 and white bishop at g2. White rook at a1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. White to move.