MESON Chess Problem Database
Problem Display
PID: 103742 (8/5K2/2pN4/2p1k3/2PR4/5p2/4BPb1/Q7 w - - 0 1)
Rumyantsev, Sergei Yuryewitch
64 Shakhmatnoe obozrenie, 1991
#2
7 + 5
| 6490 | yacpdb | 2009 |
| 5454 | Near Snap | 2019 |
SOLUTION
- SOUND
- Sets
- 1...fxe2
- 2.f4#
- 1...fxe2
- Tries
- 1.Qc3?
- threat
- 2.Qe3#
- 1...fxe2
- 2.f4#
- 1...cxd4!
- threat
- 1.Qc1?
- threat
- 2.Qe3#
- 2.Qf4#
- 1...Kxd4
- 2.Qb2#
- 2.Qe3#
- 2.Qa1#
- 1...fxe2
- 2.Qf4#
- 1...cxd4!
- threat
- 1.Qd1?
- threat
- 2.Re4#
- 1...fxe2
- 2.f4#
- 1...cxd4!
- threat
- 1.Qa5?
- threat
- 2.Qxc5#
- 1...Kxd4
- 2.Qa1#
- 1...fxe2!
- threat
- 1.Qa8?
- threat
- 2.Qh8#
- 1...Kxd4
- 2.Qa1#
- 2.Qh8#
- 1...cxd4!
- threat
- 1.Qc3?
- Keys
- 1.Qg1!
- 1...Kxd4
- 2.Qa1#
- 1...fxe2
- 2.f4#
- 1...cxd4
- 2.Qh2#
- 1...Bf1
- 2.Qg7#
- 1...Bh1
- 2.Qg7#
- 1...Bh3
- 2.Qg7#
- 1...Kxd4
- 1.Qg1!
Anticipated by 194886(1918)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- P(b);OGATE,XB(B)::P(C)
- Tries
- Try
- Q(A);
- Threat
- QAR2(A)
- Vars
- P(b);OGATE,XB(B)::P(C)
- Refutation
- P(c);P_SPINP(c),XR(E)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(b);XB(B)::QAB1(A)
- Refutation
- P(c);XR(E)
- Try
- Q(A);
- Threat
- R1(E)
- Vars
- P(b);OGATE,XB(B)::P(C)
- Refutation
- P(c);XR(E)
- Try
- Q(A);P_PINP(c)
- Threat
- QAR2(A),XP(c)
- Vars
- K(d);N_SPINP(c),OGATEB,S_FLIGHT,XR(E)::QAB(A)
- Refutation
- P(b);XB(B)
- Try
- Q(A);
- Threat
- QAB(A)
- Refutation
- P(c);XR(E)
- Try
- Actual
- Q(A);
- Vars
- K(d);OGATEB,S_FLIGHT,XR(E)::QAB(A)
- P(b);OGATE,XB(B)::P(C)
- P(c);SBLOCK,XR(E)::QAB(A)
- B(a);OGATE::QAB(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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