MESON Chess Problem Database
Problem Display
PID: 94975 (4n2q/6nB/1r2p3/p1p1pPNp/rb4kp/p1P1Q3/7K/5b2 w - - 0 1)
Blunar, Stefan
Pravda, 1977
#2
6 + 15
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...h3
- 2.Qg3#
- 1...h3
- Tries
- 1.Sf3?
- threat
- 2.Sxe5#
- 2.Qe4#
- 1...Qxh7
- 2.Qe4#
- 1...Sxf5
- 2.Qe4#
- 1...exf5
- 2.Sxe5#
- 1...Bd3
- 2.Sxe5#
- 1...Sd6
- 2.Sxe5#
- 1...Sf6
- 2.Sxe5#
- 1...h3
- 2.Qe4#
- 1...e4
- 2.Se5#
- 2.Qxe4#
- 1...Bxc3!
- threat
- 1.Sh3?
- threat
- 2.Sf2#
- 2.Qe4#
- 1...Qxh7
- 2.Qe4#
- 1...Bxc3
- 2.Sf2#
- 1...exf5
- 2.Sf2#
- 1...Bg2
- 2.Sf2#
- 1...Bd3
- 2.Sf2#
- 1...Sd6
- 2.Sf2#
- 1...Sf6
- 2.Sf2#
- 1...e4
- 2.Sf2#
- 2.Qf4#
- 2.Qxe4#
- 1...Bxh3!
- threat
- 1.Se4?
- threat
- 2.Sf2#
- 1...h3
- 2.Qg3#
- 1...Qxh7!
- threat
- 1.Sf3?
- Keys
- 1.Sf7!
- threat
- 2.Sxe5#
- 2.Sh6#
- 2.Qe4#
- 1...Qxh7
- 2.Qe4#
- 1...Bxc3
- 2.Sh6#
- 1...Sxf5
- 2.Qe4#
- 1...exf5
- 2.Sxe5#
- 1...h3
- 2.Qg3#
- 2.Qe4#
- 1...Bg2
- 2.Sxe5#
- 2.Sh6#
- 1...Bd3
- 2.Sxe5#
- 2.Sh6#
- 1...Sd6
- 2.Sxe5#
- 2.Sh6#
- 1...Sf6
- 2.Sxe5#
- 2.Sh6#
- 1...e4
- 2.Se5#
- 2.Sh6#
- 2.Qxe4#
- threat
- 1.Sf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- P(f);N_GUARD::QAR1(C)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(o);XB(F)::QAR2(C)
- S(m);XP(D)::QAR2(C)
- P(l);XP(D)::S(E),XP(i)
- B(a);::S(E),XP(i)
- S(n);::S(E),XP(i)
- P(f);::QAR2(C)
- Refutation
- B(d);XP(B)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(o);XB(F)::QAR2(C)
- B(d);XP(B)::S(E)
- P(l);XP(D)::S(E)
- B(a);::S(E)
- S(n);::S(E)
- Refutation
- B(a);XS(E)
- Try
- S(E);
- Threat
- S(E)
- Vars
- P(f);N_GUARD::QAR1(C)
- Refutation
- Q(o);XB(F)
- Try
- Actual
- S(E);
- Threat
- DUALS(3)
- Vars
- Q(o);XB(F)::QAR2(C)
- B(d);XP(B)::S(E)
- S(m);XP(D)::QAR2(C)
- P(l);XP(D)::S(E),XP(i)
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).