MESON Chess Problem Database
Problem Display
PID: 169013 (8/8/8/6P1/6r1/5P2/3N1Q2/5K1k w - - 0 1)
Lincoln, Robert A
SuperProblem, 2017
#2
5 + 2
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rg1+
- 2.Qxg1#
- 1...Rg2
- 2.Qxg2#
- 1...Ra4
- 2.Qg1#
- 2.Qg2#
- 1...Rb4
- 2.Qg1#
- 2.Qg2#
- 1...Rc4
- 2.Qg1#
- 2.Qg2#
- 1...Rd4
- 2.Qg1#
- 2.Qg2#
- 1...Re4
- 2.Qg1#
- 2.Qg2#
- 1...Rf4
- 2.Qg1#
- 2.Qg2#
- 1...Rh4
- 2.Qg1#
- 2.Qxh4#
- 2.Qg2#
- 1...Rxg5
- 2.Qh4#
- 1...Rg1+
- Tries
- 1.Sb1?
- 1...Rg1+
- 2.Qxg1#
- 1...Rxg5
- 2.Qh4#
- 1...Rg2
- 2.Qxg2#
- 1...Ra4
- 2.Qg1#
- 2.Qg2#
- 1...Rb4
- 2.Qg1#
- 2.Qg2#
- 1...Rc4
- 2.Qg1#
- 2.Qg2#
- 1...Rd4
- 2.Qg1#
- 2.Qg2#
- 1...Re4
- 2.Qg1#
- 2.Qg2#
- 1...Rf4
- 2.Qg1#
- 2.Qg2#
- 1...Rh4
- 2.Qg1#
- 2.Qxh4#
- 2.Qg2#
- 1...Rg3!
- 1...Rg1+
- 1.Sb3?
- 1...Rg1+
- 2.Qxg1#
- 1...Rxg5
- 2.Qh4#
- 1...Rg2
- 2.Qxg2#
- 1...Ra4
- 2.Qg1#
- 2.Qg2#
- 1...Rb4
- 2.Qg1#
- 2.Qg2#
- 1...Rc4
- 2.Qg1#
- 2.Qg2#
- 1...Rd4
- 2.Qg1#
- 2.Qg2#
- 1...Re4
- 2.Qg1#
- 2.Qg2#
- 1...Rf4
- 2.Qg1#
- 2.Qg2#
- 1...Rh4
- 2.Qg1#
- 2.Qxh4#
- 2.Qg2#
- 1...Rg3!
- 1...Rg1+
- 1.Sc4?
- 1...Rg1+
- 2.Qxg1#
- 1...Rxc4
- 2.Qg1#
- 2.Qg2#
- 1...Rxg5
- 2.Qh4#
- 1...Rg2
- 2.Qxg2#
- 1...Rd4
- 2.Qg1#
- 2.Qg2#
- 1...Re4
- 2.Qg1#
- 2.Qg2#
- 1...Rf4
- 2.Qg1#
- 2.Qg2#
- 1...Rh4
- 2.Qg1#
- 2.Qxh4#
- 2.Qg2#
- 1...Rg3!
- 1...Rg1+
- 1.Qg3?
- threat
- 2.Qh3#
- 1...Rh4
- 2.Qxh4#
- 2.Qg1#
- 2.Qg2#
- 1...Rxg3!
- threat
- 1.g6?
- 1...Rg1+
- 2.Qxg1#
- 1...Rxg6
- 2.Qh4#
- 1...Rg2
- 2.Qxg2#
- 1...Ra4
- 2.Qg1#
- 2.Qg2#
- 1...Rb4
- 2.Qg1#
- 2.Qg2#
- 1...Rc4
- 2.Qg1#
- 2.Qg2#
- 1...Rd4
- 2.Qg1#
- 2.Qg2#
- 1...Re4
- 2.Qg1#
- 2.Qg2#
- 1...Rf4
- 2.Qg1#
- 2.Qg2#
- 1...Rh4
- 2.Qg1#
- 2.Qxh4#
- 2.Qg2#
- 1...Rg5
- 2.Qh4#
- 1...Rg3!
- 1...Rg1+
- 1.Sb1?
- Keys
- 1.Se4!
- 1...Rg1+
- 2.Qxg1#
- 1...Rxe4
- 2.Qg1#
- 2.Qg2#
- 1...Rxg5
- 2.Qh4#
- 1...Rg2
- 2.Qxg2#
- 1...Rg3
- 2.Sxg3#
- 1...Rf4
- 2.Sg3#
- 2.Qg1#
- 2.Qg2#
- 1...Rh4
- 2.Sg3#
- 2.Qg1#
- 2.Qxh4#
- 2.Qg2#
- 1...Rg1+
- 1.Se4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(b);CHECK,N_GUARD::QAR1(C),XR(b)
- R(b);N_GUARD::QAB1(C),XR(b)
- R(b);N_GUARD,XP(E)::QAR(C)
- Tries
- Try
- S(B);
- Vars
- R(b);CHECK,N_GUARD::QAR1(C),XR(b)
- R(b);N_GUARD,XP(E)::QAR(C)
- R(b);N_GUARD::QAB1(C),XR(b)
- Refutation
- R(b);
- Try
- S(B);
- Vars
- R(b);CHECK,N_GUARD::QAR1(C),XR(b)
- R(b);N_GUARD,XP(E)::QAR(C)
- R(b);N_GUARD::QAB1(C),XR(b)
- Refutation
- R(b);
- Try
- S(B);
- Vars
- R(b);CHECK,N_GUARD::QAR1(C),XR(b)
- R(b);N_GUARD,XP(E)::QAR(C)
- R(b);N_GUARD::QAB1(C),XR(b)
- Refutation
- R(b);
- Try
- Q(C);
- Threat
- QAR2(C)
- Refutation
- R(b);XQ(C)
- Try
- P(E);
- Vars
- R(b);CHECK,N_GUARD::QAR1(C),XR(b)
- R(b);N_GUARD,XP(E)::QAR(C)
- R(b);N_GUARD::QAB1(C),XR(b)
- R(b);N_GUARD::QAR(C)
- Refutation
- R(b);
- Try
- Actual
- S(B);
- Vars
- R(b);CHECK,N_GUARD::QAR1(C),XR(b)
- R(b);N_GUARD,XP(E)::QAR(C)
- R(b);N_GUARD::QAB1(C),XR(b)
- R(b);N_GUARD::S(B),XR(b)
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).