Sergash:  click for larger view
DIAGRAM: position after 8...Qd8xd5
<9.d2-d4?!> Any advantage accumulated so far simply vanishes with this move. Did Carlsen consider 9.Bb5xc6+! Qd5xc6 10.Rf1-e1+ Ng8-e7 (or 10...Bc8-e6 11.d2-d4! Ng8-f6! 12.c2-c4 (threat: d4-d5) ) c5xd4 13.Qd1xd4 ⩲ Stockfish 11 - 64 bits POPCNT) 11.Kh2-g1! Bc8-e6 (if 11...Bc8-g4?! 12.Nf3-e5! Bg4xd1 ▢ 13.Ne5xc6 b7xc6 ▢ 14.Re1xd1 ± Stockfish 11 - 64 bits POPCNT) 12.d2-d4! Ra8-d8! 13.Bc1-g5! f7-f6 ▢ 14.Qd1-e2! Ke8-f7 ▢ 15.d4xc5! ⩲ Stockfish 11 - 64 bits POPCNT ? <9...Ng8-f6??> But, good news for White, Black blunders immediately when equality was in sight! Royset had to play 9...Ng8-e7 ▢ 10.Kh2-g1 Bc8-g4! (or 10...c5-c4!? 11.Bb5xc6+ Ne7xc6 ▢ 12.Rf1-e1+ Bc8-e6 ▢ = Stockfish 11 - 64 bits POPCNT) 11.Bb5xc6+ Qd5xc6 12.d4xc5 Qc6xc5 = Stockfish 11 - 64 bits POPCNT. <10.Kh2-g1? 0-0 11.c2-c4! Qd5-h5! ⩲> White lets the black king go into hiding... The best move is the 'obvious' 10.Rf1-e1+! Bc8-e6 11.c2-c4! (threat: d4-d5) Qd5-h5+ 12.Kh2-g1 ▢ c5xd4 (maybe the check made Magnus look for something else?) 13.Re1-e5! Qh5-g4 14.Re5-g5! Qg4-e4 15.Rg5xg7 +- Stockfish 11 - 64 bits POPCNT. <12.d4-d5?! => Missed: 12.Bb5xc6! b7xc6 13.Nf3-e5! Nf6-g4! 14.Bc1-f4 ▢ c5xd4 15.Ne5xc6 Qh5-c5 ▢ 16.Nc6xd4 Qc5xc4 ⩲ Stockfish 11 - 64 bits POPCNT.  click for larger view
DIAGRAM: position after 12.d4-d5?!
<12...Nc6-e5?? 13.Nf3xe5 ▢ Qh5xe5 14.Rf1-e1 ▢ +-> Equality is maintained with 12...Nc6-a5! and now for instance and without listing all possibilities 13.Qd1-a4 A) 13...a7-a6 14.Qa4xa5 Bc8-g4 ▢ 15.Nf3-h2 a6xb5 16.Qa5xb5 Bg4-e2 ▢ 17.Rf1-e1 Ra8-e8! = Stockfish 11 - 64 bits POPCNT. B) 13...Bc8-g4 (or 14.Qa4xa5 (or 14.Nf3-h2 a7-a6! 15.Qa4xa5 transposing) Bg4xf3 (or 14...a7-a6 that also transposes) 15.Bc1-f4 (or 15.g2xf3 a7-a6 (or Black could force a draw immediately with 15...Qh5-g6+ and a perpetual check with Qg6-h5-g6+ etc. Stockfish 11 - 64 bits POPCNT) 16.Bb5-a6 ▢ Qh5-g6+ with perpetual check on Qg6-h5-g6-h5+ Stockfish 11 - 64 bits POPCNT) and here: 1) 15...Qh5-g6 16.Bf4-g3 ▢ (NOT 16.g2-g3?? Qg6-h5! and Qh5-h1#) h7-h5 = Stockfish 11 - 64 bits POPCNT. 2) 15...a7-a6 16.Bb5-a4 ▢ Qh5-g6 (or 16...Qh5-g4 17.Bf4-g3 ▢ (again, not 17.g2-g3?? Qg4-h3 and mate next move!) Bf3-e2 18.Rf1-e1 h7-h5= Stockfish 11 - 64 bits POPCNT) 17.Bf4-g3 ▢ h7-h5 = Stockfish 11 - 64 bits POPCNT. 3) 15...Qh5-g4 16.Bf4-g3 ▢ (here also, 16.g2-g3?? Qg4-h3 and mate with Qh3-h1) Bf3-e2 (or 16...Bf3-e4 = Stockfish 11 - 64 bits POPCNT) 17.Rf1-e1 Be2xc4 18.Bb5xc4! Qg4xc4 19.d5-d6! = Stockfish 11 - 64 bits POPCNT. |