r1b1kb2/3pp2n/1p4pr/p3NP1p/1n5P/PPP5/2QPKPP1/RNB4R w - - 0 23
FEN state: r1b1kb2/3pp2n/1p4pr/p3NP1p/1n5P/PPP5/2QPKPP1/RNB4R w - - 0 23 ; Best move: a3b4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black bishop at f8. Black pawn at d7, black pawn at e7 and black knight at h7. Black pawn at b6, black pawn at g6 and black rook at h6. Black pawn at a5, white knight at e5, white pawn at f5 and black pawn at h5. Black knight at b4 and white pawn at h4. White pawn at a3, white pawn at b3 and white pawn at c3. White queen at c2, white pawn at d2, white king at e2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. White to move.