MESON Chess Problem Database
Problem Display
PID: 181100 (6Q1/3p2Rp/1P1P1R1p/4pP1N/r3k2r/1N3p2/p2P1p2/K4B2 w - - 0 1)
von Duben, Gustaf Henrik
Source?, 1904
#2
11 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Qc4#
- 1...Rb4
- 2.Qa8#
- 1...Rc4
- 2.Qxc4#
- 1...Rd4
- 2.Sc5#
- 1...Ra5
- 2.Qc4#
- 1...Ra6
- 2.Qc4#
- 1...Ra7
- 2.Qc4#
- 1...Ra8
- 2.Qc4#
- 2.Qxa8#
- 1...Rh1
- 2.Rg4#
- 1...Rh2
- 2.Rg4#
- 1...Rh3
- 2.Rg4#
- 1...Rf4
- 2.Sg3#
- 1...Rg4
- 2.Rxg4#
- 1...Rxh5
- 2.Rg4#
- 1...Ra3
- Tries
- 1.Rf8?
- 1...Rxh5
- 2.Rg4#
- 1...Ra3
- 2.Qc4#
- 1...Rc4
- 2.Qxc4#
- 1...Rd4
- 2.Sc5#
- 1...Ra5
- 2.Qc4#
- 1...Ra6
- 2.Qc4#
- 1...Ra7
- 2.Qc4#
- 1...Ra8
- 2.Qc4#
- 1...Rh1
- 2.Rg4#
- 1...Rh2
- 2.Rg4#
- 1...Rh3
- 2.Rg4#
- 1...Rf4
- 2.Sg3#
- 1...Rg4
- 2.Rxg4#
- 1...Rb4!
- 1...Rxh5
- 1.Rg3?
- 1...Rxh5
- 2.Rg4#
- 1...Rb4
- 2.Qa8#
- 1...Ra3
- 2.Qc4#
- 1...Rc4
- 2.Qxc4#
- 1...Rd4
- 2.Sc5#
- 1...Ra5
- 2.Qc4#
- 1...Ra6
- 2.Qc4#
- 1...Ra7
- 2.Qc4#
- 1...Ra8
- 2.Qc4#
- 2.Qxa8#
- 1...Rh1
- 2.Rg4#
- 1...Rh2
- 2.Rg4#
- 1...Rh3
- 2.Rg4#
- 1...Rg4
- 2.Rxg4#
- 1...Rf4!
- 1...Rxh5
- 1.Rg5?
- 1...Rxh5
- 2.Rg4#
- 1...Rb4
- 2.Qa8#
- 1...Ra3
- 2.Qc4#
- 1...Rc4
- 2.Qxc4#
- 1...Rd4
- 2.Sc5#
- 1...Ra5
- 2.Qc4#
- 1...Ra6
- 2.Qc4#
- 1...Ra7
- 2.Qc4#
- 1...Ra8
- 2.Qc4#
- 2.Qxa8#
- 1...Rh1
- 2.Rg4#
- 1...Rh2
- 2.Rg4#
- 1...Rh3
- 2.Rg4#
- 1...Rf4
- 2.Sg3#
- 1...Rg4
- 2.Rxg4#
- 1...hxg5!
- 1...Rxh5
- 1.Rgg6?
- 1...Rxh5
- 2.Rg4#
- 1...Rb4
- 2.Qa8#
- 1...Ra3
- 2.Qc4#
- 1...Rc4
- 2.Qxc4#
- 1...Rd4
- 2.Sc5#
- 1...Ra5
- 2.Qc4#
- 1...Ra6
- 2.Qc4#
- 1...Ra7
- 2.Qc4#
- 1...Ra8
- 2.Qc4#
- 2.Qxa8#
- 1...Rh1
- 2.Rg4#
- 1...Rh2
- 2.Rg4#
- 1...Rh3
- 2.Rg4#
- 1...Rf4
- 2.Sg3#
- 1...Rg4
- 2.Rxg4#
- 1...hxg6!
- 1...Rxh5
- 1.Qf7?
- 1...Rxh5
- 2.Rg4#
- 1...Ra3
- 2.Qc4#
- 1...Rc4
- 2.Qxc4#
- 1...Rd4
- 2.Sc5#
- 1...Ra5
- 2.Qc4#
- 1...Ra6
- 2.Qc4#
- 1...Ra7
- 2.Qc4#
- 1...Ra8
- 2.Qc4#
- 1...Rh1
- 2.Rg4#
- 1...Rh2
- 2.Rg4#
- 1...Rh3
- 2.Rg4#
- 1...Rf4
- 2.Sg3#
- 1...Rg4
- 2.Rxg4#
- 1...Rb4!
- 1...Rxh5
- 1.b7?
- 1...Rxh5
- 2.Rg4#
- 1...Ra3
- 2.Qc4#
- 1...Rc4
- 2.Qxc4#
- 1...Rd4
- 2.Sc5#
- 1...Ra5
- 2.Qc4#
- 1...Ra6
- 2.Qc4#
- 1...Ra7
- 2.Qc4#
- 1...Ra8
- 2.Qc4#
- 2.bxa8Q#
- 2.bxa8B#
- 1...Rh1
- 2.Rg4#
- 1...Rh2
- 2.Rg4#
- 1...Rh3
- 2.Rg4#
- 1...Rf4
- 2.Sg3#
- 1...Rg4
- 2.Rxg4#
- 1...Rb4!
- 1...Rxh5
- 1.Rf8?
- Keys
- 1.Rg2!
- 1...Rxh5
- 2.Rg4#
- 1...fxg2
- 2.Qxg2#
- 1...Rb4
- 2.Qa8#
- 1...Ra3
- 2.Qc4#
- 1...Rc4
- 2.Qxc4#
- 1...Rd4
- 2.Sc5#
- 1...Ra5
- 2.Qc4#
- 1...Ra6
- 2.Qc4#
- 1...Ra7
- 2.Qc4#
- 1...Ra8
- 2.Qc4#
- 2.Qxa8#
- 1...Rh1
- 2.Rg4#
- 1...Rh2
- 2.Rg4#
- 1...Rh3
- 2.Rg4#
- 1...Rf4
- 2.Sg3#
- 1...Rg4
- 2.Rxg4#
- 1...Rxh5
- 1.Rg2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(d);N_GUARD::QAR2(K)
- R(d);N_GUARD::QAB(K)
- R(d);N_GUARD::QAR2(K),XR(d)
- R(d);SBLOCK::S(D)
- R(f);N_GUARD,P_PINB(B)::R(J)
- R(f);N_GUARD::R(J)
- R(f);SBLOCK::S(F)
- R(f);N_GUARD::R(J),XR(f)
- R(f);N_GUARD,XS(F)::R(J)
- Tries
- Try
- R(I);
- Vars
- R(f);N_GUARD,XS(F)::R(J)
- R(d);N_GUARD::QAR2(K)
- R(d);N_GUARD::QAR2(K),XR(d)
- R(d);SBLOCK::S(D)
- R(f);N_GUARD,P_PINB(B)::R(J)
- R(f);N_GUARD::R(J)
- R(f);SBLOCK::S(F)
- R(f);N_GUARD::R(J),XR(f)
- Refutation
- R(d);
- Try
- R(J);
- Vars
- R(f);N_GUARD,XS(F)::R(J)
- R(d);N_GUARD::QAB(K)
- R(d);N_GUARD::QAR2(K)
- R(d);N_GUARD::QAR2(K),XR(d)
- R(d);SBLOCK::S(D)
- R(f);N_GUARD,P_PINB(B)::R(J)
- R(f);N_GUARD::R(J)
- R(f);N_GUARD::R(J),XR(f)
- Refutation
- R(f);
- Try
- R(J);
- Vars
- R(f);N_GUARD,XS(F)::R(J)
- R(d);N_GUARD::QAB(K)
- R(d);N_GUARD::QAR2(K)
- R(d);N_GUARD::QAR2(K),XR(d)
- R(d);SBLOCK::S(D)
- R(f);N_GUARD,P_PINB(B)::R(J)
- R(f);N_GUARD::R(J)
- R(f);SBLOCK::S(F)
- R(f);N_GUARD::R(J),XR(f)
- Refutation
- P(h);XR(J)
- Try
- R(J);
- Vars
- R(f);N_GUARD,XS(F)::R(J)
- R(d);N_GUARD::QAB(K)
- R(d);N_GUARD::QAR2(K)
- R(d);N_GUARD::QAR2(K),XR(d)
- R(d);SBLOCK::S(D)
- R(f);N_GUARD,P_PINB(B)::R(J)
- R(f);N_GUARD::R(J)
- R(f);SBLOCK::S(F)
- R(f);N_GUARD::R(J),XR(f)
- Refutation
- P(j);XR(J)
- Try
- Q(K);
- Vars
- R(f);N_GUARD,XS(F)::R(J)
- R(d);N_GUARD::QAR2(K)
- R(d);N_GUARD::QAR2(K),XR(d)
- R(d);SBLOCK::S(D)
- R(f);N_GUARD,P_PINB(B)::R(J)
- R(f);N_GUARD::R(J)
- R(f);SBLOCK::S(F)
- R(f);N_GUARD::R(J),XR(f)
- Refutation
- R(d);
- Try
- P(G);
- Vars
- R(f);N_GUARD,XS(F)::R(J)
- R(d);N_GUARD::QAR2(K)
- R(d);N_GUARD::QAR2(K),XR(d)
- R(d);SBLOCK::S(D)
- R(f);N_GUARD,P_PINB(B)::R(J)
- R(f);N_GUARD::R(J)
- R(f);SBLOCK::S(F)
- R(f);N_GUARD::R(J),XR(f)
- Refutation
- R(d);
- Try
- Actual
- R(J);
- Vars
- R(f);N_GUARD,XS(F)::R(J)
- P(c);OGATE,XR(J)::QAB(K),XP(c)
- R(d);N_GUARD::QAB(K)
- R(d);N_GUARD::QAR2(K)
- R(d);N_GUARD::QAR2(K),XR(d)
- R(d);SBLOCK::S(D)
- R(f);N_GUARD,P_PINB(B)::R(J)
- R(f);N_GUARD::R(J)
- R(f);SBLOCK::S(F)
- R(f);N_GUARD::R(J),XR(f)
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).