1rbq1bnk/3pp3/5p1r/p2N2pp/5P2/1Pp3PB/1PNPP2P/1RBQ1K1R w - - 0 21
FEN state: 1rbq1bnk/3pp3/5p1r/p2N2pp/5P2/1Pp3PB/1PNPP2P/1RBQ1K1R w - - 0 21 ; Best move: b2c3
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black bishop at f8, black knight at g8 and black king at h8. Black pawn at d7 and black pawn at e7. Black pawn at f6 and black rook at h6. Black pawn at a5, white knight at d5, black pawn at g5 and black pawn at h5. White pawn at f4. White pawn at b3, black pawn at c3, white pawn at g3 and white bishop at h3. White pawn at b2, white knight at c2, white pawn at d2, white pawn at e2 and white pawn at h2. White rook at b1, white bishop at c1, white queen at d1, white king at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. White to move.