MESON Chess Problem Database
Problem Display
PID: 261090 (K6k/P4BpP/6R1/7R/p6P/p7/pr6/Q7 w - - 0 1)
Mettler, Josef
Neue Zurcher Zeitung, 2014
#2
8 + 6
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Qxg7#
- 1...Rc2
- 2.Qxg7#
- 1...Rd2
- 2.Qxg7#
- 1...Re2
- 2.Qxg7#
- 1...Rf2
- 2.Qxg7#
- 1...Rg2
- 2.Qxg7#
- 1...Rh2
- 2.Qxg7#
- 1...Rb3
- 2.Qxg7#
- 1...Rb4
- 2.Qxg7#
- 1...Rb5
- 2.Qxg7#
- 1...Rb6
- 2.Qxg7#
- 1...Rb7
- 2.Qxg7#
- 1...Rb8+
- 2.axb8Q#
- 2.axb8R#
- 1...Rb1
- Tries
- 1.Bxa2?
- 1...Rb8+
- 2.axb8Q#
- 2.axb8R#
- 1...Rxa2
- 2.Qxg7#
- 1...Rb1
- 2.Qxg7#
- 1...Rc2
- 2.Qxg7#
- 1...Rd2
- 2.Qxg7#
- 1...Re2
- 2.Qxg7#
- 1...Rf2
- 2.Qxg7#
- 1...Rg2
- 2.Qxg7#
- 1...Rh2
- 2.Qxg7#
- 1...Rb3
- 2.Qxg7#
- 1...Rb4
- 2.Qxg7#
- 1...Rb5
- 2.Qxg7#
- 1...Rb6
- 2.Qxg7#
- 1...Rb7!
- 1...Rb8+
- 1.Bb3?
- 1...Rxb3
- 2.Qxg7#
- 1...Rb1
- 2.Qxg7#
- 1...Rc2
- 2.Qxg7#
- 1...Rd2
- 2.Qxg7#
- 1...Re2
- 2.Qxg7#
- 1...Rf2
- 2.Qxg7#
- 1...Rg2
- 2.Qxg7#
- 1...Rh2
- 2.Qxg7#
- 1...axb3!
- 1...Rxb3
- 1.Bc4?
- 1...Rb8+
- 2.axb8Q#
- 2.axb8R#
- 1...Rb1
- 2.Qxg7#
- 1...Rc2
- 2.Qxg7#
- 1...Rd2
- 2.Qxg7#
- 1...Re2
- 2.Qxg7#
- 1...Rf2
- 2.Qxg7#
- 1...Rg2
- 2.Qxg7#
- 1...Rh2
- 2.Qxg7#
- 1...Rb3
- 2.Qxg7#
- 1...Rb4
- 2.Qxg7#
- 1...Rb5
- 2.Qxg7#
- 1...Rb6
- 2.Qxg7#
- 1...Rb7!
- 1...Rb8+
- 1.Bd5?
- 1...Rb8+
- 2.axb8Q#
- 2.axb8R#
- 1...Rb1
- 2.Qxg7#
- 1...Rc2
- 2.Qxg7#
- 1...Rd2
- 2.Qxg7#
- 1...Re2
- 2.Qxg7#
- 1...Rf2
- 2.Qxg7#
- 1...Rg2
- 2.Qxg7#
- 1...Rh2
- 2.Qxg7#
- 1...Rb3
- 2.Qxg7#
- 1...Rb4
- 2.Qxg7#
- 1...Rb5
- 2.Qxg7#
- 1...Rb6
- 2.Qxg7#
- 1...Rb7!
- 1...Rb8+
- 1.Be6?
- 1...Rb8+
- 2.axb8Q#
- 2.axb8R#
- 1...Rb1
- 2.Qxg7#
- 1...Rc2
- 2.Qxg7#
- 1...Rd2
- 2.Qxg7#
- 1...Re2
- 2.Qxg7#
- 1...Rf2
- 2.Qxg7#
- 1...Rg2
- 2.Qxg7#
- 1...Rh2
- 2.Qxg7#
- 1...Rb3
- 2.Qxg7#
- 1...Rb4
- 2.Qxg7#
- 1...Rb5
- 2.Qxg7#
- 1...Rb6
- 2.Qxg7#
- 1...Rb7!
- 1...Rb8+
- 1.Ra5?
- 1...Kxh7
- 2.Rh5#
- 1...Rb7
- 2.Qxg7#
- 1...Rb1
- 2.Qxg7#
- 1...Rc2
- 2.Qxg7#
- 1...Rd2
- 2.Qxg7#
- 1...Re2
- 2.Qxg7#
- 1...Rf2
- 2.Qxg7#
- 1...Rg2
- 2.Qxg7#
- 1...Rh2
- 2.Qxg7#
- 1...Rb3
- 2.Qxg7#
- 1...Rb4
- 2.Qxg7#
- 1...Rb5
- 2.Qxg7#
- 1...Rb6
- 2.Qxg7#
- 1...Rb8+!
- 1...Kxh7
- 1.Rc5?
- 1...Kxh7
- 2.Rh5#
- 1...Rb7
- 2.Qxg7#
- 1...Rb1
- 2.Qxg7#
- 1...Rc2
- 2.Qxg7#
- 1...Rd2
- 2.Qxg7#
- 1...Re2
- 2.Qxg7#
- 1...Rf2
- 2.Qxg7#
- 1...Rg2
- 2.Qxg7#
- 1...Rh2
- 2.Qxg7#
- 1...Rb3
- 2.Qxg7#
- 1...Rb4
- 2.Qxg7#
- 1...Rb5
- 2.Qxg7#
- 1...Rb6
- 2.Qxg7#
- 1...Rb8+!
- 1...Kxh7
- 1.Rd5?
- 1...Kxh7
- 2.Rh5#
- 1...Rb7
- 2.Qxg7#
- 1...Rb1
- 2.Qxg7#
- 1...Rc2
- 2.Qxg7#
- 1...Rd2
- 2.Qxg7#
- 1...Re2
- 2.Qxg7#
- 1...Rf2
- 2.Qxg7#
- 1...Rg2
- 2.Qxg7#
- 1...Rh2
- 2.Qxg7#
- 1...Rb3
- 2.Qxg7#
- 1...Rb4
- 2.Qxg7#
- 1...Rb5
- 2.Qxg7#
- 1...Rb6
- 2.Qxg7#
- 1...Rb8+!
- 1...Kxh7
- 1.Rf5?
- 1...Kxh7
- 2.Rh5#
- 1...Rb7
- 2.Qxg7#
- 1...Rb1
- 2.Qxg7#
- 1...Rc2
- 2.Qxg7#
- 1...Rd2
- 2.Qxg7#
- 1...Re2
- 2.Qxg7#
- 1...Rf2
- 2.Qxg7#
- 1...Rg2
- 2.Qxg7#
- 1...Rh2
- 2.Qxg7#
- 1...Rb3
- 2.Qxg7#
- 1...Rb4
- 2.Qxg7#
- 1...Rb5
- 2.Qxg7#
- 1...Rb6
- 2.Qxg7#
- 1...Rb8+!
- 1...Kxh7
- 1.Rhg5?
- 1...Kxh7
- 2.Rh5#
- 1...Rb7
- 2.Qxg7#
- 1...Rb1
- 2.Qxg7#
- 1...Rc2
- 2.Qxg7#
- 1...Rd2
- 2.Qxg7#
- 1...Re2
- 2.Qxg7#
- 1...Rf2
- 2.Qxg7#
- 1...Rg2
- 2.Qxg7#
- 1...Rh2
- 2.Qxg7#
- 1...Rb3
- 2.Qxg7#
- 1...Rb4
- 2.Qxg7#
- 1...Rb5
- 2.Qxg7#
- 1...Rb6
- 2.Qxg7#
- 1...Rb8+!
- 1...Kxh7
- 1.Rhh6?
- 1...Rb8+
- 2.axb8Q#
- 2.axb8R#
- 1...Rb7
- 2.Qxg7#
- 1...Rb1
- 2.Qxg7#
- 1...Rc2
- 2.Qxg7#
- 1...Rd2
- 2.Qxg7#
- 1...Re2
- 2.Qxg7#
- 1...Rf2
- 2.Qxg7#
- 1...Rg2
- 2.Qxg7#
- 1...Rh2
- 2.Qxg7#
- 1...Rb3
- 2.Qxg7#
- 1...Rb4
- 2.Qxg7#
- 1...Rb5
- 2.Qxg7#
- 1...Rb6
- 2.Qxg7#
- 1...gxh6!
- 1...Rb8+
- 1.Rgg5?
- 1...Rb8+
- 2.axb8Q#
- 2.axb8R#
- 1...Rb7
- 2.Qxg7#
- 1...Rb1
- 2.Qxg7#
- 1...Rc2
- 2.Qxg7#
- 1...Rd2
- 2.Qxg7#
- 1...Re2
- 2.Qxg7#
- 1...Rf2
- 2.Qxg7#
- 1...Rg2
- 2.Qxg7#
- 1...Rh2
- 2.Qxg7#
- 1...Rb3
- 2.Qxg7#
- 1...Rb4
- 2.Qxg7#
- 1...Rb5
- 2.Qxg7#
- 1...Rb6
- 2.Qxg7#
- 1...g6!
- 1...Rb8+
- 1.Rxg7?
- threat
- 2.Rg8#
- 1...Rb8+
- 2.axb8Q#
- 2.axb8R#
- 1...Kxg7!
- threat
- 1.Qxb2?
- threat
- 2.Qxg7#
- 2.Qb8#
- 1...a1Q
- 2.Qb8#
- 1...a1B
- 2.Qb8#
- 1...axb2!
- threat
- 1.Qe1?
- threat
- 2.Qe8#
- 1...Rb8+
- 2.axb8Q#
- 2.axb8R#
- 1...Re2!
- threat
- 1.Bxa2?
- Keys
- 1.Rb5!
- 1...Kxh7
- 2.Rh5#
- 1...Rxb5
- 2.Qxg7#
- 1...Rb1
- 2.Qxg7#
- 1...Rc2
- 2.Qxg7#
- 1...Rd2
- 2.Qxg7#
- 1...Re2
- 2.Qxg7#
- 1...Rf2
- 2.Qxg7#
- 1...Rg2
- 2.Qxg7#
- 1...Rh2
- 2.Qxg7#
- 1...Rb3
- 2.Qxg7#
- 1...Rb4
- 2.Qxg7#
- 1...Kxh7
- 1.Rb5!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- R(b);OGATE,P_SPINP(e)::QAB1(A),XP(e)
- R(b);CHECK,OGATE,P_SPINP(e)::PXR(b)=Q
- Tries
- Try
- B(F);XP(a)
- Vars
- R(b);CHECK,OGATE,P_SPINP(e)::PXR(b)=Q
- R(b);OGATE,P_SPINP(e),XB(F)::QAB1(A),XP(e)
- R(b);OGATE,P_SPINP(e)::QAB1(A),XP(e)
- Refutation
- R(b);P_SPINP(e)
- Try
- B(F);
- Vars
- R(b);OGATE,P_SPINP(e),XB(F)::QAB1(A),XP(e)
- R(b);OGATE,P_SPINP(e)::QAB1(A),XP(e)
- Refutation
- P(d);XB(F)
- Try
- B(F);
- Vars
- R(b);CHECK,OGATE,P_SPINP(e)::PXR(b)=Q
- R(b);OGATE,P_SPINP(e)::QAB1(A),XP(e)
- Refutation
- R(b);P_SPINP(e)
- Try
- B(F);
- Vars
- R(b);CHECK,OGATE,P_SPINP(e)::PXR(b)=Q
- R(b);OGATE,P_SPINP(e)::QAB1(A),XP(e)
- Refutation
- R(b);P_SPINP(e)
- Try
- B(F);
- Vars
- R(b);CHECK,OGATE,P_SPINP(e)::PXR(b)=Q
- R(b);OGATE,P_SPINP(e)::QAB1(A),XP(e)
- Refutation
- R(b);P_SPINP(e)
- Try
- R(C);
- Vars
- K(f);OGATEB,P-FLIGHT,XP(G)::R(C)
- R(b);OGATE,P_SPINP(e)::QAB1(A),XP(e)
- Refutation
- R(b);CHECK,P_SPINP(e)
- Try
- R(C);
- Vars
- K(f);OGATEB,P-FLIGHT,XP(G)::R(C)
- R(b);OGATE,P_SPINP(e)::QAB1(A),XP(e)
- Refutation
- R(b);CHECK,P_SPINP(e)
- Try
- R(C);
- Vars
- K(f);OGATEB,P-FLIGHT,XP(G)::R(C)
- R(b);OGATE,P_SPINP(e)::QAB1(A),XP(e)
- Refutation
- R(b);CHECK,P_SPINP(e)
- Try
- R(C);
- Vars
- K(f);OGATEB,P-FLIGHT,XP(G)::R(C)
- R(b);OGATE,P_SPINP(e)::QAB1(A),XP(e)
- Refutation
- R(b);CHECK,P_SPINP(e)
- Try
- R(C);
- Vars
- K(f);OGATEB,P-FLIGHT,XP(G)::R(C)
- R(b);OGATE,P_SPINP(e)::QAB1(A),XP(e)
- Refutation
- R(b);CHECK,P_SPINP(e)
- Try
- R(C);
- Vars
- R(b);CHECK,OGATE,P_SPINP(e)::PXR(b)=Q
- R(b);OGATE,P_SPINP(e)::QAB1(A),XP(e)
- Refutation
- P(e);P_SPINR(b),XR(C)
- Try
- R(D);
- Vars
- R(b);CHECK,OGATE,P_SPINP(e)::PXR(b)=Q
- R(b);OGATE,P_SPINP(e)::QAB1(A),XP(e)
- Refutation
- P(e);P_SPINR(b)
- Try
- R(D);XP(e)
- Threat
- R1(D)
- Vars
- R(b);CHECK,OGATE::PXR(b)=Q
- Refutation
- K(f);P_SPINR(b),S_FLIGHT,XR(D)
- Try
- Q(A);P_PINP(e),XR(b)
- Threat
- DUALS(2)
- Vars
- P(a);::QAR(A)
- Refutation
- P(c);N_SPINP(e),XQ(A)
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- R(b);CHECK,OGATE::PXR(b)=Q
- Refutation
- R(b);
- Try
- Actual
- R(C);
- Vars
- K(f);OGATEB,P-FLIGHT,XP(G)::R(C)
- R(b);OGATE,P_SPINP(e),XR(C)::QAB1(A),XP(e)
- R(b);OGATE,P_SPINP(e)::QAB1(A),XP(e)
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).