1r1q1k1r/pbpp3p/np5n/1P1Pppp1/3Q2P1/N1P1b2N/P4P1P/1RB1KB1R w - - 4 16
FEN state: 1r1q1k1r/pbpp3p/np5n/1P1Pppp1/3Q2P1/N1P1b2N/P4P1P/1RB1KB1R w - - 4 16 ; Best move: d4e3
The current state of the chess board is: Black rook at b8, black queen at d8, black king at f8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at c7, black pawn at d7 and black pawn at h7. Black knight at a6, black pawn at b6 and black knight at h6. White pawn at b5, white pawn at d5, black pawn at e5, black pawn at f5 and black pawn at g5. White queen at d4 and white pawn at g4. White knight at a3, white pawn at c3, black bishop at e3 and white knight at h3. White pawn at a2, white pawn at f2 and white pawn at h2. White rook at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 16. White to move.