MESON Chess Problem Database
Problem Display
PID: 18995 (8/5Qq1/1N3pR1/3p1B1p/1p1P3P/1Nk5/K7/8 w - - 0 1)
Altman, Ernst
Frankisches Volksblatt, 1911
#2
8 + 6
| 3360 | Simple Two-move Themes | 1924 |
SOLUTION
- SOUND
- Sets
- 1...Qh6
- 2.Qc7#
- 1...Qf8
- 2.Rg3#
- 1...Qh8
- 2.Rg3#
- 2.Qc7#
- 1...Qxg6
- 2.Qc7#
- 1...Qxf7
- 2.Rg3#
- 1...Qh7
- 2.Rg3#
- 1...Qg8
- 2.Qc7#
- 1...Qh6
- Tries
- 1.Bb1?
- 1...Qxg6
- 2.Qc7#
- 1...Qxf7
- 2.Rg3#
- 1...Qh6
- 2.Qc7#
- 1...Qf8
- 2.Rg3#
- 1...Qh8
- 2.Rg3#
- 2.Qc7#
- 1...Qg8
- 2.Qc7#
- 1...f5
- 2.Rc6#
- 1...Qh7!
- 1...Qxg6
- 1.Rg1?
- threat
- 2.Rc1#
- 1...Qxg1
- 2.Qc7#
- 1...Qh6
- 2.Qc7#
- 1...Qg5
- 2.Qc7#
- 1...Qg2+!
- threat
- 1.Rg4?
- 1...Qxg4
- 2.Qc7#
- 1...Qxf7
- 2.Rg3#
- 1...Qh6
- 2.Qc7#
- 1...Qf8
- 2.Rg3#
- 1...Qh8
- 2.Rg3#
- 2.Qc7#
- 1...Qg5
- 2.Qc7#
- 1...Qg6
- 2.Qc7#
- 1...Qh7
- 2.Rg3#
- 1...Qg8
- 2.Qc7#
- 1...hxg4!
- 1...Qxg4
- 1.Rg5?
- 1...Qxg5
- 2.Qc7#
- 1...Qxf7
- 2.Rg3#
- 1...Qh6
- 2.Qc7#
- 1...Qf8
- 2.Rg3#
- 1...Qh8
- 2.Rg3#
- 2.Qc7#
- 1...Qg6
- 2.Qc7#
- 1...Qh7
- 2.Rg3#
- 1...Qg8
- 2.Qc7#
- 1...fxg5!
- 1...Qxg5
- 1.Qxd5?
- threat
- 2.Sa4#
- 2.Qf3#
- 2.Qc4#
- 2.Qc6#
- 2.Qc5#
- 1...Qh6
- 2.Sa4#
- 2.Qc4#
- 2.Qc6#
- 2.Qc5#
- 1...Qf8
- 2.Sa4#
- 2.Rg3#
- 2.Qf3#
- 2.Qc4#
- 1...Qb7
- 2.Sa4#
- 2.Rg3#
- 2.Qc4#
- 2.Qc5#
- 1...Qc7
- 2.Sa4#
- 2.Qf3#
- 1...Qd7
- 2.Rg3#
- 2.Qf3#
- 2.Qc4#
- 2.Qc5#
- 1...Qe7
- 2.Sa4#
- 2.Qc4#
- 1...Qf7
- 2.Sa4#
- 2.Rg3#
- 2.Qf3#
- 1...Qg8
- 2.Sa4#
- 2.Qf3#
- 1...Qa7+!
- threat
- 1.Qe6?
- threat
- 2.Qe1#
- 2.Qe3#
- 2.Qc6#
- 1...Qh6
- 2.Qc8#
- 2.Qc6#
- 1...Qf8
- 2.Rg3#
- 2.Qe1#
- 2.Qe3#
- 1...Qb7
- 2.Rg3#
- 2.Qe1#
- 2.Qe3#
- 1...Qc7
- 2.Qe1#
- 2.Qe3#
- 1...Qd7
- 2.Rg3#
- 2.Qe1#
- 2.Qe3#
- 1...Qe7
- 2.Rg3#
- 1...Qa7+!
- threat
- 1.Qb7?
- threat
- 2.Qc6#
- 1...Qxb7
- 2.Rg3#
- 1...Qf8
- 2.Rg3#
- 1...Qc7
- 2.Qxc7#
- 1...Qd7
- 2.Rg3#
- 1...Qe7!
- threat
- 1.Qd7?
- threat
- 2.Qc6#
- 1...Qxd7
- 2.Rg3#
- 1...Qf8
- 2.Rg3#
- 1...Qe7!
- threat
- 1.Qe7?
- threat
- 2.Qc5#
- 2.Qe1#
- 2.Qe3#
- 1...Qh6
- 2.Qc5#
- 2.Qc7#
- 1...Qf8
- 2.Rg3#
- 2.Qe1#
- 2.Qe3#
- 1...Qxe7!
- threat
- 1.Bb1?
- Keys
- 1.Be4!
- 1...Qxg6
- 2.Qc7#
- 1...Qxf7
- 2.Rg3#
- 1...dxe4
- 2.Qc4#
- 1...Qh6
- 2.Qc7#
- 1...Qf8
- 2.Rg3#
- 1...Qh8
- 2.Rg3#
- 2.Qc7#
- 1...Qh7
- 2.Rg3#
- 1...Qg8
- 2.Qc7#
- 1...f5
- 2.Rc6#
- 1...Qxg6
- 1.Be4!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(f);N_GUARD::QAR(H)
- Q(f);N_GUARD::R(G)
- Q(f);N_GUARD,XR(G)::QAR(H)
- Q(f);N_GUARD,XQ(H)::R(G)
- Tries
- Try
- B(E);
- Vars
- Q(f);N_GUARD,XR(G)::QAR(H)
- Q(f);N_GUARD,XQ(H)::R(G)
- Q(f);N_GUARD::QAR(H)
- Q(f);N_GUARD::R(G)
- P(e);OGATE::R(G)
- Refutation
- Q(f);
- Try
- R(G);
- Threat
- R(G)
- Vars
- Q(f);N_GUARD,XR(G)::QAR(H)
- Q(f);N_GUARD::QAR(H)
- Refutation
- Q(f);CHECK
- Try
- R(G);
- Vars
- Q(f);N_GUARD,XR(G)::QAR(H)
- Q(f);N_GUARD,XQ(H)::R(G)
- Q(f);N_GUARD::QAR(H)
- Q(f);N_GUARD::R(G)
- Refutation
- P(d);XR(G)
- Try
- R(G);
- Vars
- Q(f);N_GUARD,XR(G)::QAR(H)
- Q(f);N_GUARD,XQ(H)::R(G)
- Q(f);N_GUARD::QAR(H)
- Q(f);N_GUARD::R(G)
- Refutation
- P(e);XR(G)
- Try
- Q(H);XP(c)
- Threat
- DUALS(5)
- Refutation
- Q(f);CHECK
- Try
- Q(H);
- Threat
- DUALS(3)
- Vars
- Q(f);N_GUARD::R(G)
- Refutation
- Q(f);CHECK
- Try
- Q(H);
- Threat
- QAR(H)
- Vars
- Q(f);N_GUARD,XQ(H)::R(G)
- Q(f);N_GUARD::R(G)
- Q(f);N_GUARD::QAR(H),XQ(f)
- Refutation
- Q(f);
- Try
- Q(H);
- Threat
- QAR(H)
- Vars
- Q(f);N_GUARD,XQ(H)::R(G)
- Q(f);N_GUARD::R(G)
- Refutation
- Q(f);
- Try
- Q(H);
- Threat
- DUALS(3)
- Refutation
- Q(f);XQ(H)
- Try
- Actual
- B(E);
- Vars
- Q(f);N_GUARD,XR(G)::QAR(H)
- Q(f);N_GUARD,XQ(H)::R(G)
- P(c);OGATE,XB(E)::QAR1(H)
- Q(f);N_GUARD::QAR(H)
- Q(f);N_GUARD::R(G)
- P(e);OGATE::R(G)
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).