MESON Chess Problem Database
Problem Display
PID: 231636 (5N1k/4R3/2P3nN/6nb/8/8/8/K6Q w - - 0 1)
Cumpe, Josef
Jas, 1927
#2
6 + 4
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Sxg6#
- 1...Be2
- 2.Sxg6#
- 1...Bf3
- 2.Sxg6#
- 1...Bg4
- 2.Sxg6#
- 1...Sf3
- 2.Rh7#
- 1...Sh3
- 2.Rh7#
- 1...Se4
- 2.Rh7#
- 1...Se6
- 2.Rh7#
- 1...Sh7
- 2.Rxh7#
- 1...Bd1
- Tries
- 1.Qe4?
- 1...Sxe4
- 2.Rh7#
- 1...Sxe7
- 2.Qd4#
- 2.Qe5#
- 1...Sxf8
- 2.Qd4#
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Bd1
- 2.Sxg6#
- 1...Be2
- 2.Sxg6#
- 1...Bf3
- 2.Sxg6#
- 1...Bg4
- 2.Sxg6#
- 1...Sf3
- 2.Rh7#
- 1...Sh3
- 2.Rh7#
- 1...Se6
- 2.Rh7#
- 1...Sh7
- 2.Rxh7#
- 1...Sf4
- 2.Qd4#
- 2.Qe5#
- 1...Sh4
- 2.Qd4#
- 2.Qe5#
- 1...Sf7!
- 1...Sxe4
- 1.Qd5?
- threat
- 2.Qg8#
- 1...Sxe7
- 2.Qd4#
- 2.Qe5#
- 1...Se6
- 2.Rh7#
- 1...Sf7!
- threat
- 1.Qe1?
- 1...Sxe7
- 2.Qc3#
- 2.Qe5#
- 1...Sxf8
- 2.Qc3#
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Bd1
- 2.Sxg6#
- 1...Be2
- 2.Sxg6#
- 1...Bf3
- 2.Sxg6#
- 1...Bg4
- 2.Sxg6#
- 1...Sf3
- 2.Rh7#
- 1...Sh3
- 2.Rh7#
- 1...Se4
- 2.Rh7#
- 1...Se6
- 2.Rh7#
- 1...Sh7
- 2.Rxh7#
- 1...Sf4
- 2.Qc3#
- 2.Qe5#
- 1...Sh4
- 2.Qc3#
- 2.Qe5#
- 1...Sf7!
- 1...Sxe7
- 1.Qf1?
- threat
- 2.Qf6#
- 1...Bf3
- 2.Sxg6#
- 1...Sf3
- 2.Rh7#
- 1...Se4
- 2.Rh7#
- 1...Se6
- 2.Rh7#
- 1...Sh7
- 2.Rxh7#
- 1...Sf4!
- threat
- 1.Qh2?
- 1...Sxe7
- 2.Qe5#
- 2.Qb2#
- 1...Sxf8
- 2.Qe5#
- 2.Qb2#
- 1...Se5
- 2.Qxe5#
- 1...Bd1
- 2.Sxg6#
- 1...Be2
- 2.Sxg6#
- 1...Bf3
- 2.Sxg6#
- 1...Bg4
- 2.Sxg6#
- 1...Sf3
- 2.Rh7#
- 1...Sh3
- 2.Rh7#
- 1...Se4
- 2.Rh7#
- 1...Se6
- 2.Rh7#
- 1...Sh7
- 2.Rxh7#
- 1...Sf4
- 2.Qb2#
- 1...Sh4
- 2.Qe5#
- 2.Qb2#
- 1...Sf7!
- 1...Sxe7
- 1.Qe4?
- Keys
- 1.Qf3!
- threat
- 2.Qf6#
- 1...Bxf3
- 2.Sxg6#
- 1...Sxf3
- 2.Rh7#
- 1...Se4
- 2.Rh7#
- 1...Se6
- 2.Rh7#
- 1...Sh7
- 2.Rxh7#
- 1...Sf4
- 2.Qc3#
- threat
- 1.Qf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- B(b);N_GUARD::S(F),XS(c)
- S(a);N_GUARD::R1(E)
- S(a);N_GUARD::R1(E),XS(a)
- Tries
- Try
- Q(B);
- Vars
- S(a);N_GUARD,XQ(B)::R1(E)
- S(c);N_GUARD::QAB(B),XS(c)
- B(b);N_GUARD::S(F),XS(c)
- S(a);N_GUARD::R1(E)
- S(a);N_GUARD::R1(E),XS(a)
- Refutation
- S(a);
- Try
- Q(B);
- Threat
- QAR1(B)
- Vars
- S(a);N_GUARD::R1(E)
- Refutation
- S(a);
- Try
- Q(B);
- Vars
- S(c);N_GUARD::QAB(B),XS(c)
- B(b);N_GUARD::S(F),XS(c)
- S(a);N_GUARD::R1(E)
- S(a);N_GUARD::R1(E),XS(a)
- Refutation
- S(a);
- Try
- Q(B);
- Threat
- QAB(B)
- Vars
- B(b);N_GUARD::S(F),XS(c)
- S(a);N_GUARD::R1(E)
- S(a);N_GUARD::R1(E),XS(a)
- Refutation
- S(c);
- Try
- Q(B);
- Vars
- S(c);N_GUARD::QAB(B),XS(c)
- B(b);N_GUARD::S(F),XS(c)
- S(a);N_GUARD::R1(E)
- S(a);N_GUARD::R1(E),XS(a)
- S(c);N_GUARD::QAB(B)
- Refutation
- S(a);
- Try
- Actual
- Q(B);
- Threat
- QAB(B)
- Vars
- B(b);N_GUARD,XQ(B)::S(F),XS(c)
- S(a);N_GUARD,XQ(B)::R1(E)
- S(a);N_GUARD::R1(E)
- S(a);N_GUARD::R1(E),XS(a)
- S(c);N_GUARD::QAB(B)
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).