MESON Chess Problem Database
Problem Display
PID: 206522 (1rn5/kB6/8/1R6/8/8/5KQ1/8 w - - 0 1)
Papp, Istvan
Nepszava, 1925
#2
4 + 3
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxb7
- 2.Qxb7#
- 1...Sb6
- 2.Ra5#
- 1...Rxb7
- Tries
- 1.Ke1?
- threat
- 2.Qa2#
- 1...Rxb7
- 2.Qxb7#
- 1...Sb6
- 2.Ra5#
- 1...Ra8!
- threat
- 1.Kf1?
- threat
- 2.Qa2#
- 1...Rxb7
- 2.Qxb7#
- 1...Sb6
- 2.Ra5#
- 1...Ra8!
- threat
- 1.Kg1?
- threat
- 2.Qa2#
- 1...Rxb7
- 2.Qxb7#
- 1...Sb6
- 2.Ra5#
- 1...Ra8!
- threat
- 1.Ke2?
- 1...Rxb7
- 2.Qxb7#
- 1...Sb6
- 2.Ra5#
- 1...Sd6
- 2.Qg1#
- 2.Qf2#
- 1...Se7
- 2.Qg1#
- 2.Qf2#
- 1...Ra8!
- 1...Rxb7
- 1.Ke3?
- threat
- 2.Qa2#
- 1...Rxb7
- 2.Qxb7#
- 1...Sb6
- 2.Ra5#
- 1...Ra8!
- threat
- 1.Kg3?
- threat
- 2.Qa2#
- 1...Rxb7
- 2.Qxb7#
- 1...Sb6
- 2.Ra5#
- 1...Ra8!
- threat
- 1.Qh1?
- threat
- 2.Qa1#
- 1...Rxb7
- 2.Qxb7#
- 1...Sb6
- 2.Ra5#
- 1...Ra8!
- threat
- 1.Qf3?
- threat
- 2.Qa3#
- 1...Rxb7
- 2.Qxb7#
- 1...Sb6
- 2.Ra5#
- 1...Ra8!
- threat
- 1.Qe4?
- threat
- 2.Qa4#
- 1...Rxb7
- 2.Qxb7#
- 1...Sb6
- 2.Ra5#
- 1...Ra8!
- threat
- 1.Qd5?
- threat
- 2.Qa2#
- 1...Rxb7
- 2.Qxb7#
- 1...Sb6
- 2.Ra5#
- 1...Ra8!
- threat
- 1.Qc6?
- threat
- 2.Ra5#
- 2.Qa6#
- 1...Rxb7
- 2.Qxb7#
- 1...Sb6
- 2.Ra5#
- 2.Qxb6#
- 1...Ra8!
- threat
- 1.Ke1?
- Keys
- 1.Qg7!
- threat
- 2.Qa1#
- 1...Rxb7
- 2.Qxb7#
- 1...Ra8
- 2.Bxc8#
- 1...Sb6
- 2.Ra5#
- threat
- 1.Qg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(b);OGATE,XB(D)::QAR1(B),XR(b)
- S(c);SBLOCK::R(C)
- Tries
- Try
- K(A);S_FLIGHT
- Threat
- QAR(B)
- Vars
- R(b);OGATE,XB(D)::QAR1(B),XR(b)
- S(c);SBLOCK::R(C)
- Refutation
- R(b);
- Try
- K(A);P-FLIGHT
- Threat
- QAR(B)
- Vars
- R(b);OGATE,XB(D)::QAR1(B),XR(b)
- S(c);SBLOCK::R(C)
- Refutation
- R(b);
- Try
- K(A);S_FLIGHT
- Threat
- QAR(B)
- Vars
- R(b);OGATE,XB(D)::QAR1(B),XR(b)
- S(c);SBLOCK::R(C)
- Refutation
- R(b);
- Try
- K(A);P-FLIGHT
- Vars
- R(b);OGATE,XB(D)::QAR1(B),XR(b)
- S(c);SBLOCK::R(C)
- Refutation
- R(b);
- Try
- K(A);S_FLIGHT
- Threat
- QAR(B)
- Vars
- R(b);OGATE,XB(D)::QAR1(B),XR(b)
- S(c);SBLOCK::R(C)
- Refutation
- R(b);
- Try
- K(A);S_FLIGHT
- Threat
- QAR(B)
- Vars
- R(b);OGATE,XB(D)::QAR1(B),XR(b)
- S(c);SBLOCK::R(C)
- Refutation
- R(b);
- Try
- Q(B);
- Threat
- QAR(B)
- Vars
- R(b);OGATE,XB(D)::QAR1(B),XR(b)
- S(c);SBLOCK::R(C)
- Refutation
- R(b);
- Try
- Q(B);
- Threat
- QAR(B)
- Vars
- R(b);OGATE,XB(D)::QAR1(B),XR(b)
- S(c);SBLOCK::R(C)
- Refutation
- R(b);
- Try
- Q(B);
- Threat
- QAR(B)
- Vars
- R(b);OGATE,XB(D)::QAR1(B),XR(b)
- S(c);SBLOCK::R(C)
- Refutation
- R(b);
- Try
- Q(B);
- Threat
- QAR(B)
- Vars
- R(b);OGATE,XB(D)::QAR1(B),XR(b)
- S(c);SBLOCK::R(C)
- Refutation
- R(b);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(b);OGATE,XB(D)::QAR1(B),XR(b)
- Refutation
- R(b);
- Try
- Actual
- Q(B);
- Threat
- QAR(B)
- Vars
- R(b);OGATE,P_SPINR(b),XB(D)::QAR1(B),XR(b)
- R(b);N_GUARD,SBLOCK::QAR(B)+B(D),XS(c)
- S(c);SBLOCK::R(C)
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).