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1. Bf1 gxf1(=whatever)
2. Re8+ Kf4, f5, or f6
3. Rf8+ K whatever
4. Rxf1
1. Bf1 gxf1Q
2. Re8+ K any
3. Rf8+ K any
4. Rxc1 and the rest is easy
1. Bf1! gxf1
2. Re8+
King goes somewhere to the F file, rook checks and takes the queen on f1.
Very cute! I spent a while analyzing the line that starts with 1.Bb7, but black gets a likely draw after queening the h-pawn and ends up in a Q vs B+R+P endgame. While playing with that line a bit, I eventually noticed the key feature of the starting position- the opposition of the two kings. The rest was easy to see.
1. Bf1!!
Threatens Bxg2 liquidating both pawns. If black now pushes h2, white captures at g2 with the bishop who would cover h1, and if black pushes g1, white captures and has h1 covered by the rook. However, black cannot capture at f1 either:
1. …..gf1(Q)
2. Re8! Kf4
3. Rf8 Kg3
4. Rf1 wins with ease.
1. Bf1, gxf1
2. Re8+, Kf6
3. Rf8, Ke6
4. Rxf1
Sometimes you get these straightaway, and sometimes you just can’t see ’em.
This time I just saw the position of the kings in opposition to each other and immediately spotted Bf1!
Those CONNECTED pawns are tough to beat. So…
1. Bf1 gxf1
2. Re8+ Kf4
3. Rf8+ Kg3
4. Rxf1 (White Wins easily)
1:0
The position of the King can be exploited
1.Bf1 gxf1=Q
(1…g1=Q+ 2.Rxg1)
(1…h2 2.Bxg2)
2.Re8+ Kf4
3.Rf8+ Kg3
4.Rxf1 Kg2
5.Ra1 Kg3 and the a pawn is unstoppable to the Queen
1. Bf1 g2xf1
2. Re8+ Kf4
3. Rf8+ Gg3
4. Rxf1 Kg2
5. Ra1 h2
6. a4 h1
7. Rxh1 Kxh1
8. a5 (black resigns)
1-0
joeyj
Sac the bishop on the knight pawn, check the king then skewer the queened pawn.
1.Bf1
1.Bf1
Bf1 and white wins.
The main point is gxf1=Q Re8+ Kf6/5/4 Rf8+ winning the queen. Then white can sack rook for h pawn and grab the c6 pawn and push A no matter what black does.
Alas, alas, alas…
Once again, you haven’t shown the entire study.
Full study, false trails and solution
Rinck, British Chess Magazine, 1915, #205
2R5/2p5/B7/1K2k3/7p/8/P5p1/8 w – – 0 1
win
The mundane
1.Re8+? Kd6 2.Re1 with the idea of meeting 2…h3 by 3.Bb7 is refuted by
2…c6+! 3.Kb6 h3
So: 1.Rg8 and again, if 1…h3 2.Bb7
and again, black plays instead
1…c6+!
But this defense, efficient versus 1.Re8+?, has here a slight flaw, enough to permits White’s winning.
the only king move here is 2.Kc5! taking opposition.
2…h3 (what else?)
3.Bf1! (and not 3.Bb7? h2 drawing)
and we see why 2.Kc5 was the only move that wins:
3…gxf1Q 4.Re8+ and black king is forced to walk on the plank, ie the f-file, thanks the opposition: 4…Kf4 5.Rf8+ Kg3 6.Rxf1 and the rest is below the standards of an artistic chess study and is pure endgame technique. Some guidelines to novices here:
1) The rook stays in the first row.
2) Sacrifice against the newborn Queen at h1
3) promotion of the a pawn into queen
4) classic book-like mate king and queen vs. bare king.
Themes:
Echo of defense (2…c6+ in the false trail, 1…c6+ in the main line), precise king move and a Réti like Bf1 sacrifice.
__________________________
Why Réti-like?
Reti, this other genius, has composed after this a very delightful study, and here I show you probably the best rendition of his wonderful idea:
Reti, Bohemia, 1923, version
8/8/8/3K4/2B5/6p1/7k/5R2 w – – 0 1
win
The key in this simple but tricky position (Kd5 hinders the otherwise trivial winning move Bd5) is the enigmatic
1.Rf3!!
enigmatic, and working. Why?
because the planned 1…g2 is nicely met with
2.Bf1!! (threatens Bxg2 with a trivial win) and if 2…g1Q
3.Rh3#
Believe it or not!