Website founded by
Milan Velimirović
in 2006
9:13 UTC
| |
MatPlus.Net  Forum Helpmates Test your composing imagination |
| |
|
|
|
|
You can only view this page!
| | Page: [Previous] [Next] 1 2 3 | | (41) Posted by Jacques Rotenberg [Monday, Sep 20, 2010 04:09]; edited by Jacques Rotenberg [10-09-20] |
Here is the 4# I was speaking about :
Valery I. Rezinkin
Komsomolskoe Znamya 1975
1st Prize (v)
 (= 10+12 )
4#
1.d4 ? [2.Rg1, 2.Bxf4] Rg5!
1.Rg1! [2.Ra1+] Bxg1 2.Bxf4! [2.Bc7+] Rxf4 3.d4!
(The original has a bPc6 and is cooked with 1.Bxf4! Rxf4 2.Qa3+ Kb5 3.Bd3+ Rc4 4.Qb4#)
And you can see here the same feature as the nice problem of Marjan : the two same b-pieces intercepted on one side and also on the other side of the same square.
| | | (42) Posted by Marjan Kovačević [Saturday, Feb 12, 2011 00:47] |
In London 1993, during the match Kasparov – Short, there were many young grandmasters loudly analyzing in the Press room, each of them suggesting different moves and aggressively fighting for his-own ideas. One of them, I believe it was Eric Lobron, interrupted the discussion with something like: “Would you put some money on your move? Bet is the only way to the truth!”
In the similar way, my challenge in this Forum brought me the truth about the little #2 I composed. Nikola Predrag convincingly won the Mat Plus 2011 subscription, and I learned my idea could have been realized and enriched in different ways.
First, his most economical position:
 (= 8+4 )
#2
1.Qg8! ~ 2.Qg4 # 1... Rc8 2.Rc4# 1... Be2 2.Sc4# 1... fe5: 2.Qf7#
The presence of the set variation 1... Rf2: 2.Re2# gave Nikola the idea to enrich the content:
 (= 9+7 )
#2
1... Be3: 2.Se3:# 1... Re3: 2.Te3:#
1... Bg3 2.Sg3:# 1... Rc5/Rc6: 2.#Rc5(:)#
1.Qa7! ~ 2.Qg7# 1... Ba7: 2.Se3# 1... Rg3 2.Re3#
1... Se7 2.Qe7:# 1... Sf7 2.Qf7:#
Not only replies are prepared for the set-capturing of WQ – there is a true set-play with pair of mates allowed exactly by the initial position of WQ. Nikola also tried to find the tries to repeat the set-play, but the price was too high. To me this seems to be the optimal position in thematic respect, up to now. The only drawback, compared with the previous two, is the direction of the key-move, matching one of the two thematic defences.
| | | (43) Posted by seetharaman kalyan [Saturday, Feb 12, 2011 18:34] |
Congrats Nikola Predrag for a deserving win and the two instructive examples !
| | | (44) Posted by Nikola Predrag [Sunday, Feb 13, 2011 12:28] |
Thanks Marjan, thanks Seetharaman!
The mechanism is Marjan's, the main difference is the double guard of wSf5 which allows set-play but makes the position and solution rather static. Unguarded wSd2 in Marjan's original gives the dynamics and life to the play so I consider it a true twomower. I just tried to construct an example for theoretical discussion. The challenge of finding a different mechanism for this idea still exists.
| | | (45) Posted by Dan Meinking [Monday, Feb 14, 2011 05:55] |
Congrats, Pedrag, on two excellent settings!
Don't know if this tests one's imagination, but it was inspired by the famous Loyd Excelsior #5. Legend has it that Loyd asked a local Expert (the name escapes me at the moment) to name the White unit that does NOT make the mating move. Of course, the Expert chose the 'obvious' wP and ended up buying dinner.
DM, 1PR, SG2002
 (= 12+14 )
PG in 27 (12+14) C- [solution hidden below]
1.a4 Sc6 2.Ra3 Sd4 3.Rg3 Sb5 4.Rg6 hxg6 5.b3 Rh3 6.Bb2 Re3 7.Bf6 e5 8.dxe3 Be7 9.Qd6 cxd6 10.a5! Qxa5+ 11.Kd1 b6 12.Sf3 Bb7 13.Sfd2 Bf3 14.gxf3 Bd8 15.Bh3 Bc7 16.Be6 fxe6 17.Kc1 Kf7 18.Rd1! Rf8! 19.Sf1 Qe1 20.h4 a5 21.h5 a4 22.h6 a3 23.h7 a2 24.h8R a1R 25.Rh2 Ra7 26.Sc3 Sh6 27.Sa2 Kg8
I shared this with a couple of local Masters, including one who is particularly keen on problems. After explaining the stipulation, I asked: "Name 2 moves that you're SURE were played during the solution." Of course, they immediately chimed in with "castling". Too bad I didn't have the presence of mind to wager dinner. :-)
Loyd used the "illusion of improbability", whereas I used the "illusion of probability".
| | | (46) Posted by Jacques Rotenberg [Monday, Feb 14, 2011 07:13] |
Yes
Illusion may be the central content of a problem. Perhaps on this also Loyd was a pioneer.
The 'Shorter test games' seems to be the first field where 'illusion' themes where defined, as far as you distinguish between 'illusion' and 'paradox'.
'illusion' seems to be more 'visual', and 'paradox' more 'logical' or 'intellectual'
| | | (47) Posted by Sarah Hornecker [Monday, Apr 11, 2011 18:46] |
QUOTE
I shared this with a couple of local Masters, including one who is particularly keen on problems. After explaining the stipulation, I asked: "Name 2 moves that you're SURE were played during the solution." Of course, they immediately chimed in with "castling". Too bad I didn't have the presence of mind to wager dinner. :-)
And with conscious players you would have lost the wager, since obviously dxe3 and gxf3 were surely played. :-)
| |
No more posts | Page: [Previous] [Next] 1 2 3
MatPlus.Net Forum Helpmates Test your composing imagination |
|
|
|
ISC 2024
