MESON Chess Problem Database
Problem Display
PID: 100765 (r6r/4p3/4N1pN/7k/p7/2Q1K1P1/8/8 w - - 0 1)
Semerad, Bohumil
Narodni Politika, 1912
#2
5 + 6
| 6490 | yacpdb | 2009 |
| 5454 | Near Snap | 2018 |
SOLUTION
- SOUND
- Tries
- 1.Qa1?
- threat
- 2.Qh1#
- 1...Kxh6
- 2.Qh1#
- 1...Rxh6
- 2.Qd1#
- 1...g5!
- threat
- 1.Qe1?
- threat
- 2.Qh1#
- 1...Kxh6
- 2.Qh1#
- 1...Rxh6
- 2.Qd1#
- 2.Qe2#
- 1...g5!
- threat
- 1.Qb2?
- threat
- 2.Qh2#
- 1...Kxh6
- 2.Qh2#
- 1...Rxh6
- 2.Qe2#
- 1...g5!
- threat
- 1.Qd2?
- threat
- 2.Qh2#
- 1...Kxh6
- 2.Qh2#
- 1...Rxh6
- 2.Qd1#
- 2.Qe2#
- 1...g5!
- threat
- 1.Qb4?
- threat
- 2.Qh4#
- 1...Kxh6
- 2.Qh4#
- 1...g5!
- threat
- 1.Qd4?
- threat
- 2.Qh4#
- 1...Kxh6
- 2.Qh4#
- 1...g5!
- threat
- 1.Qe5+?
- 1...g5
- 2.Qxg5#
- 1...Kxh6!
- 1...g5
- 1.Qf6?
- threat
- 2.Qh4#
- 2.Qg5#
- 1...Kxh6
- 2.Qh4#
- 1...Ra5
- 2.Qh4#
- 1...g5
- 2.Sg7#
- 2.Qxg5#
- 1...exf6!
- threat
- 1.Qc1?
- threat
- 2.Qh1#
- 1...Kxh6
- 2.Qh1#
- 1...Rxh6
- 2.Qd1#
- 1...g5!
- threat
- 1.Qc2?
- threat
- 2.Qh2#
- 1...Kxh6
- 2.Qh2#
- 1...Rxh6
- 2.Qd1#
- 2.Qe2#
- 1...g5!
- threat
- 1.Qc4?
- threat
- 2.Qh4#
- 1...Kxh6
- 2.Qh4#
- 1...g5!
- threat
- 1.Qc5+?
- 1...g5
- 2.Qxg5#
- 1...Kxh6!
- 1...g5
- 1.g4+?
- 1...Kxh6
- 2.Qg7#
- 1...Kh4!
- 1...Kxh6
- 1.Qa1?
- Keys
- 1.Qc6!
- threat
- 2.Qh1#
- 1...Kxh6
- 2.Qh1#
- 1...Rxh6
- 2.Qf3#
- 1...g5
- 2.Sg7#
- threat
- 1.Qc6!
This anticipates 174194(1930)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- K(b);P-FLIGHT,XS(E)::QAR(A)
- R(f);SBLOCK,XS(E)::QAB(A)
- Refutation
- P(c);
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- K(b);P-FLIGHT,XS(E)::QAR(A)
- Refutation
- P(c);
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- K(b);P-FLIGHT,XS(E)::QAR(A)
- R(f);SBLOCK,XS(E)::QAB(A)
- Refutation
- P(c);
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- K(b);P-FLIGHT,XS(E)::QAR(A)
- Refutation
- P(c);
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- K(b);P-FLIGHT,XS(E)::QAR2(A)
- Refutation
- P(c);
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- K(b);P-FLIGHT,XS(E)::QAR2(A)
- Refutation
- P(c);
- Try
- Q(A);CHECK
- Vars
- P(c);P_SPINP(c)::QAR1(A),XP(c)
- Refutation
- K(b);P-FLIGHT,XS(E)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- K(b);P-FLIGHT,P_SPINP(c),XS(E)::QAR2(A)
- R(e);SBLOCK::QAR1(A)
- Refutation
- P(d);XQ(A)
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- K(b);P-FLIGHT,XS(E)::QAR(A)
- R(f);SBLOCK,XS(E)::QAB(A)
- Refutation
- P(c);
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- K(b);P-FLIGHT,XS(E)::QAR(A)
- Refutation
- P(c);
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- K(b);P-FLIGHT,XS(E)::QAR2(A)
- Refutation
- P(c);
- Try
- Q(A);CHECK
- Vars
- P(c);P_SPINP(c)::QAR1(A),XP(c)
- Refutation
- K(b);P-FLIGHT,XS(E)
- Try
- P(C);CHECK
- Vars
- K(b);P-FLIGHT,XS(E)::QAB1(A)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- Q(A);
- Threat
- QAR(A)
- Vars
- K(b);P-FLIGHT,XS(E)::QAR(A)
- R(f);SBLOCK,XS(E)::QAB(A)
- P(c);SBLOCK::S(D)
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).