MESON Chess Problem Database
Problem Display
PID: 148255 (KQ6/6kb/3pBr1p/5P1n/7b/5p2/5Rq1/B5R1 w - - 0 1)
Dobbs, Gilbert S
HM., Tidskrift for Schack, 1907/II
#2
7 + 9
| 14868 | Pirnie Collection | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Bxf5
- 2.Qg8#
- 1...Bg6
- 2.Qg8#
- 1...Bg8
- 2.Qxg8#
- 1...Bxf5
- Tries
- 1.Rb1?
- threat
- 2.Rb7#
- 1...Bxf5
- 2.Qg8#
- 1...Bg6
- 2.Qg8#
- 1...Bg8
- 2.Qxg8#
- 1...Qg6!
- threat
- 1.Rc1?
- threat
- 2.Rc7#
- 1...Bxf5
- 2.Qg8#
- 1...Bg6
- 2.Qg8#
- 1...Bg8
- 2.Qxg8#
- 1...Qg6!
- threat
- 1.Rc2?
- threat
- 2.Rc7#
- 1...Bxf5
- 2.Qg8#
- 1...Bg6
- 2.Qg8#
- 1...Bg8
- 2.Qxg8#
- 1...f2+!
- threat
- 1.Rb1?
- Keys
- 1.Rb2!
- threat
- 2.Rb7#
- 1...Rxf5
- 2.Rbxg2#
- 1...Bxf5
- 2.Qg8#
- 1...Rf7
- 2.Rbxg2#
- 1...Bg6
- 2.Qg8#
- 1...Bg8
- 2.Qxg8#
- threat
- 1.Rb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(i);N_GUARD,XP(D)::QAR1(G)
- B(i);N_GUARD,N_SPINQ(a)::QAR1(G)
- B(i);N_GUARD::QAR1(G),XB(i)
- Tries
- Try
- R(B);N_PINQ(a)
- Threat
- R(B)
- Vars
- B(i);N_GUARD,XP(D)::QAR1(G)
- B(i);N_GUARD::QAR1(G)
- B(i);N_GUARD::QAR1(G),XB(i)
- Refutation
- Q(a);
- Try
- R(B);N_PINQ(a)
- Threat
- R(B)
- Vars
- B(i);N_GUARD,XP(D)::QAR1(G)
- B(i);N_GUARD::QAR1(G)
- B(i);N_GUARD::QAR1(G),XB(i)
- Refutation
- Q(a);
- Try
- R(C);
- Threat
- R(C)
- Vars
- B(i);N_GUARD,XP(D)::QAR1(G)
- B(i);N_GUARD,N_SPINQ(a)::QAR1(G)
- B(i);N_GUARD::QAR1(G),XB(i)
- Refutation
- P(b);CHECK
- Try
- Actual
- R(C);N_PINR(f)
- Threat
- R(C)
- Vars
- R(f);XP(D)::B(A)+R(C),DCHECK,XQ(a)
- B(i);N_GUARD,XP(D)::QAR1(G)
- R(f);::B(A)+R(C),DCHECK,XQ(a)
- B(i);N_GUARD,N_SPINQ(a)::QAR1(G)
- B(i);N_GUARD::QAR1(G),XB(i)
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).