MESON Chess Problem Database
Problem Display
PID: 173092 (K2B4/pQN5/P2N1R2/kB2n3/1p6/1p6/8/6q1 w - - 0 1)
Barulin, Mikhail Mikhailovich
64 Shakhmatnoe obozrenie, 1937
#2
8 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qh2
- 2.Sd5#
- 2.Se6#
- 2.Sce8#
- 1...Qa1
- 2.Sd5#
- 2.Se6#
- 2.Sce8#
- 1...Qb1
- 2.Sd5#
- 2.Se6#
- 2.Sce8#
- 1...Qd1
- 2.Sd5#
- 2.Se6#
- 2.Sce8#
- 1...Qe1
- 2.Sd5#
- 2.Se6#
- 2.Sce8#
- 1...Qf1
- 2.Sd5#
- 2.Se6#
- 2.Sce8#
- 1...Qh1
- 2.Sd5#
- 2.Se6#
- 2.Sce8#
- 1...Qg2
- 2.Sd5#
- 2.Se6#
- 2.Sce8#
- 1...Qg3
- 2.Sd5#
- 2.Se6#
- 2.Sce8#
- 1...Qg4
- 2.Sd5#
- 2.Se6#
- 2.Sce8#
- 1...Qg5
- 2.Sd5#
- 2.Se6#
- 2.Sce8#
- 1...Qg6
- 2.Sd5#
- 2.Se6#
- 2.Sce8#
- 1...Qg8
- 2.Sce8#
- 1...Sd3
- 2.Sc4#
- 1...Sf3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sc6
- 2.Sc4#
- 1...Sg6
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Qh2
- Tries
- 1.Qg2?
- threat
- 2.Sb7#
- 1...Qxg2+
- 2.Sd5#
- 1...Kb6
- 2.Se6#
- 1...Sc6
- 2.Sc4#
- 1...Qb6!
- threat
- 1.Qf3?
- threat
- 2.Sb7#
- 1...Kb6
- 2.Se6#
- 1...Sc6
- 2.Sc4#
- 1...Qb6!
- threat
- 1.Qe4?
- threat
- 2.Sb7#
- 1...Kb6
- 2.Se6#
- 1...Sc6
- 2.Sc4#
- 1...Qb6!
- threat
- 1.Qd5?
- threat
- 2.Sb7#
- 1...Kb6
- 2.Sc4#
- 2.Se6#
- 2.Sce8#
- 1...Sc6
- 2.Sc4#
- 1...Qb6!
- threat
- 1.Qc6?
- threat
- 2.Sb7#
- 1...Sxc6
- 2.Sc4#
- 1...Qb6!
- threat
- 1.Qc8?
- threat
- 2.Sb7#
- 1...Qh1+
- 2.Sd5#
- 1...Qg2+
- 2.Sd5#
- 1...Kb6
- 2.Sd5#
- 2.Se6#
- 2.Sce8#
- 1...Sc6
- 2.Sc4#
- 1...Qb6!
- threat
- 1.Qb6+?
- 1...Kxb6
- 2.Se6#
- 1...axb6
- 2.Sb7#
- 1...Qxb6!
- 1...Kxb6
- 1.Qb8?
- threat
- 2.Sb7#
- 1...Qh1+
- 2.Sd5#
- 1...Qg2+
- 2.Sd5#
- 1...Sc6
- 2.Sc4#
- 1...Qb6!
- threat
- 1.Qg2?
- Keys
- 1.Qh1!
- threat
- 2.Sb7#
- 1...Qxh1+
- 2.Sd5#
- 1...Qg2+
- 2.Sd5#
- 1...Kb6
- 2.Se6#
- 1...Qb6
- 2.Qa1#
- 1...Sc6
- 2.Sc4#
- threat
- 1.Qh1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- Q(a);N_GUARD,P_PINB(H)::B(H)+S(F)
- S(e);N_GUARD::S(C)
- S(e);N_GUARD::S(C),XS(e)
- Tries
- Try
- Q(E);
- Threat
- S(C)
- Vars
- Q(a);CHECK,N_GUARD,XQ(E)::B(H)+S(F)
- K(d);S_FLIGHT::B(H)+S(F)
- S(e);N_GUARD::S(C)
- Refutation
- Q(a);
- Try
- Q(E);
- Threat
- S(C)
- Vars
- K(d);S_FLIGHT::B(H)+S(F)
- S(e);N_GUARD::S(C)
- Refutation
- Q(a);
- Try
- Q(E);
- Threat
- S(C)
- Vars
- K(d);S_FLIGHT::B(H)+S(F)
- S(e);N_GUARD::S(C)
- Refutation
- Q(a);
- Try
- Q(E);
- Threat
- S(C)
- Vars
- S(e);N_GUARD::S(C)
- Refutation
- Q(a);
- Try
- Q(E);
- Threat
- S(C)
- Vars
- S(e);N_GUARD,XQ(E)::S(C)
- Refutation
- Q(a);
- Try
- Q(E);
- Threat
- S(C)
- Vars
- Q(a);CHECK,N_GUARD::B(H)+S(F)
- S(e);N_GUARD::S(C)
- Refutation
- Q(a);
- Try
- Q(E);CHECK
- Vars
- K(d);S_FLIGHT,XQ(E)::B(H)+S(F)
- P(f);XQ(E)::S(C)
- Refutation
- Q(a);XQ(E)
- Try
- Q(E);
- Threat
- S(C)
- Vars
- Q(a);CHECK,N_GUARD::B(H)+S(F)
- S(e);N_GUARD::S(C)
- Refutation
- Q(a);
- Try
- Actual
- Q(E);
- Threat
- S(C)
- Vars
- Q(a);CHECK,N_GUARD,XQ(E)::B(H)+S(F)
- Q(a);CHECK,N_GUARD::B(H)+S(F)
- K(d);S_FLIGHT::B(H)+S(F)
- Q(a);OGATE,SBLOCK::QAR(E)
- S(e);N_GUARD::S(C)
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).