MESON Chess Problem Database
Problem Display
PID: 246111 (2K4k/8/4nPPN/8/8/8/8/2Q5 w - - 0 1)
Zinoviev, Nikolai
Smena (Moscow), 1996
#2
5 + 2
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Qb2?
- 1...Sf4
- 2.f7#
- 1...Sc5
- 2.f7#
- 1...Sg5
- 2.f7#
- 1...Sc7
- 2.f7#
- 1...Sg7
- 2.fxg7#
- 1...Sd8
- 2.f7#
- 1...Sf8
- 2.f7#
- 1...Sd4!
- 1...Sf4
- 1.Qa3?
- 1...Sd4
- 2.Qf8#
- 1...Sf4
- 2.Qf8#
- 1...Sg5
- 2.Qf8#
- 1...Sc7
- 2.Qf8#
- 1...Sg7
- 2.Qf8#
- 1...Sd8
- 2.Qf8#
- 1...Sf8
- 2.Qxf8#
- 1...Sc5!
- 1...Sd4
- 1.Qa1?
- 1...Sf4
- 2.f7#
- 1...Sc5
- 2.f7#
- 1...Sg5
- 2.f7#
- 1...Sc7
- 2.f7#
- 1...Sg7
- 2.fxg7#
- 1...Sd8
- 2.f7#
- 1...Sf8
- 2.f7#
- 1...Sd4!
- 1...Sf4
- 1.Qb1?
- 1...Sd4
- 2.g7#
- 1...Sf4
- 2.g7#
- 1...Sc5
- 2.g7#
- 1...Sg5
- 2.g7#
- 1...Sc7
- 2.g7#
- 1...Sd8
- 2.g7#
- 1...Sf8
- 2.g7#
- 1...Sg7!
- 1...Sd4
- 1.Qc2?
- 1...Sd4
- 2.g7#
- 1...Sf4
- 2.g7#
- 1...Sc5
- 2.g7#
- 1...Sg5
- 2.g7#
- 1...Sc7
- 2.g7#
- 1...Sd8
- 2.g7#
- 1...Sf8
- 2.g7#
- 1...Sg7!
- 1...Sd4
- 1.Qc3?
- 1...Sf4
- 2.f7#
- 1...Sc5
- 2.f7#
- 1...Sg5
- 2.f7#
- 1...Sc7
- 2.f7#
- 1...Sg7
- 2.fxg7#
- 1...Sd8
- 2.f7#
- 1...Sf8
- 2.f7#
- 1...Sd4!
- 1...Sf4
- 1.Qc5?
- 1...Sd4
- 2.Qf8#
- 1...Sf4
- 2.Qf8#
- 1...Sg5
- 2.Qf8#
- 1...Sc7
- 2.Qf8#
- 1...Sg7
- 2.Qf8#
- 1...Sd8
- 2.Qf8#
- 1...Sf8
- 2.Qxf8#
- 1...Sxc5!
- 1...Sd4
- 1.Qc7?
- threat
- 2.Qh7#
- 1...Sg5
- 2.Qd8#
- 2.Qg7#
- 1...Sg7
- 2.Qxg7#
- 2.fxg7#
- 1...Sf8
- 2.Qg7#
- 1...Sxc7!
- threat
- 1.f7?
- 1...Sd4
- 2.f8Q#
- 1...Sf4
- 2.Qb2#
- 2.Qa1#
- 2.Qc3#
- 2.f8Q#
- 1...Sc5
- 2.Qb2#
- 2.Qa1#
- 2.Qc3#
- 2.f8Q#
- 1...Sg5
- 2.Qb2#
- 2.Qa1#
- 2.Qc3#
- 2.f8Q#
- 1...Sc7
- 2.Qb2#
- 2.Qa1#
- 2.Qc3#
- 2.f8Q#
- 1...Sg7
- 2.f8Q#
- 2.f8R#
- 1...Sd8
- 2.Qb2#
- 2.Qa1#
- 2.Qc3#
- 2.f8Q#
- 1...Sf8
- 2.Qb2#
- 2.Qa1#
- 2.Qc3#
- 1...Kg7!
- 1...Sd4
- 1.g7+?
- 1...Kh7
- 2.g8Q#
- 1...Sxg7!
- 1...Kh7
- 1.Qb2?
- Keys
- 1.Qc4!
- 1...Sd4
- 2.Qg8#
- 1...Sf4
- 2.Qg8#
- 1...Sc5
- 2.Qg8#
- 1...Sg5
- 2.Qg8#
- 1...Sc7
- 2.Qg8#
- 1...Sg7
- 2.Qg8#
- 1...Sd8
- 2.Qg8#
- 1...Sf8
- 2.Qg8#
- 1...Sd4
- 1.Qc4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAB(A)+P(B)
- S(a);OGATE::P(B),XS(a)
- Refutation
- S(a);
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAR2(A)
- S(a);N_GUARD::QAR2(A),XS(a)
- Refutation
- S(a);
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAB(A)+P(B)
- S(a);OGATE::P(B),XS(a)
- Refutation
- S(a);
- Try
- Q(A);
- Vars
- S(a);N_GUARD::P(C)
- Refutation
- S(a);
- Try
- Q(A);
- Vars
- S(a);N_GUARD::P(C)
- Refutation
- S(a);
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAB(A)+P(B)
- S(a);OGATE::P(B),XS(a)
- Refutation
- S(a);
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAR2(A)
- S(a);N_GUARD::QAR2(A),XS(a)
- Refutation
- S(a);XQ(A)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- S(a);N_GUARD::QAB1(A)
- Refutation
- S(a);XQ(A)
- Try
- P(B);
- Vars
- S(a);N_GUARD::P=Q
- Refutation
- K(b);S_FLIGHT
- Try
- P(C);CHECK
- Vars
- K(b);P-FLIGHT::P=Q
- Refutation
- S(a);XP(C)
- Try
- Actual
- Q(A);
- Vars
- S(a);OGATE::QAR1(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).