MESON Chess Problem Database
Problem Display
PID: 24893 (7K/7P/8/8/B7/r7/2Q5/k1N5 w - - 0 1)
Shinkman, William Anthony
Ottawa Citizen, 1888
#2
5 + 2
| 4331 | Schachminiaturen II | 1903 |
| 3925 | The Golden Argosy | 1929 |
| 3295 | Einfuhrung in die Welt des Schachproblem | 1984 |
| 136 | Problem Observer | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Sb3#
- 2.Qxa2#
- 1...Rb3
- 2.Sxb3#
- 2.Qa2#
- 1...Rc3
- 2.Qa2#
- 1...Rd3
- 2.Qa2#
- 1...Re3
- 2.Qa2#
- 1...Rf3
- 2.Qa2#
- 1...Rg3
- 2.Qa2#
- 1...Rh3
- 2.Qa2#
- 1...Rxa4
- 2.Sb3#
- 1...Ra2
- Tries
- 1.Kg7?
- 1...Rxa4
- 2.Sb3#
- 1...Ra2
- 2.Sb3#
- 2.Qxa2#
- 1...Rb3
- 2.Sxb3#
- 2.Qa2#
- 1...Rc3
- 2.Qa2#
- 1...Rd3
- 2.Qa2#
- 1...Re3
- 2.Qa2#
- 1...Rf3
- 2.Qa2#
- 1...Rh3
- 2.Qa2#
- 1...Rg3+!
- 1...Rxa4
- 1.Kg8?
- 1...Rxa4
- 2.Sb3#
- 1...Ra2
- 2.Sb3#
- 2.Qxa2#
- 1...Rb3
- 2.Sxb3#
- 2.Qa2#
- 1...Rc3
- 2.Qa2#
- 1...Rd3
- 2.Qa2#
- 1...Re3
- 2.Qa2#
- 1...Rf3
- 2.Qa2#
- 1...Rh3
- 2.Qa2#
- 1...Rg3+!
- 1...Rxa4
- 1.Bb5?
- 1...Rb3
- 2.Sxb3#
- 2.Qa2#
- 1...Ra2
- 2.Sb3#
- 2.Qxa2#
- 1...Rc3
- 2.Qa2#
- 1...Rd3
- 2.Qa2#
- 1...Re3
- 2.Qa2#
- 1...Rf3
- 2.Qa2#
- 1...Rg3
- 2.Qa2#
- 1...Rh3
- 2.Qa2#
- 1...Ra4
- 2.Sb3#
- 1...Ra5
- 2.Sb3#
- 1...Ra6
- 2.Sb3#
- 1...Ra7
- 2.Sb3#
- 1...Ra8+!
- 1...Rb3
- 1.Bc6?
- 1...Rb3
- 2.Sxb3#
- 2.Qa2#
- 1...Ra2
- 2.Sb3#
- 2.Qxa2#
- 1...Rc3
- 2.Qa2#
- 1...Rd3
- 2.Qa2#
- 1...Re3
- 2.Qa2#
- 1...Rf3
- 2.Qa2#
- 1...Rg3
- 2.Qa2#
- 1...Rh3
- 2.Qa2#
- 1...Ra4
- 2.Sb3#
- 1...Ra5
- 2.Sb3#
- 1...Ra6
- 2.Sb3#
- 1...Ra7
- 2.Sb3#
- 1...Ra8+!
- 1...Rb3
- 1.Bd7?
- 1...Rb3
- 2.Sxb3#
- 2.Qa2#
- 1...Ra2
- 2.Sb3#
- 2.Qxa2#
- 1...Rc3
- 2.Qa2#
- 1...Rd3
- 2.Qa2#
- 1...Re3
- 2.Qa2#
- 1...Rf3
- 2.Qa2#
- 1...Rg3
- 2.Qa2#
- 1...Rh3
- 2.Qa2#
- 1...Ra4
- 2.Sb3#
- 1...Ra5
- 2.Sb3#
- 1...Ra6
- 2.Sb3#
- 1...Ra7
- 2.Sb3#
- 1...Ra8+!
- 1...Rb3
- 1.Kg7?
- Keys
- 1.Be8!
- 1...Rb3
- 2.Sxb3#
- 2.Qa2#
- 1...Ra2
- 2.Sb3#
- 2.Qxa2#
- 1...Rc3
- 2.Qa2#
- 1...Rd3
- 2.Qa2#
- 1...Re3
- 2.Qa2#
- 1...Rf3
- 2.Qa2#
- 1...Rg3
- 2.Qa2#
- 1...Rh3
- 2.Qa2#
- 1...Ra4
- 2.Sb3#
- 1...Ra5
- 2.Sb3#
- 1...Ra6
- 2.Sb3#
- 1...Ra7
- 2.Sb3#
- 1...Ra8
- 2.Sb3#
- 1...Rb3
- 1.Be8!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::QAR1(B)
- R(b);N_GUARD,P_PINP(D)::QAR1(B)
- R(b);N_GUARD,XB(C)::S(A)
- Tries
- Try
- K(E);S_FLIGHT
- Vars
- R(b);N_GUARD,XB(C)::S(A)
- R(b);N_GUARD::QAR1(B)
- Refutation
- R(b);CHECK
- Try
- K(E);P-FLIGHT
- Vars
- R(b);N_GUARD,XB(C)::S(A)
- R(b);N_GUARD::QAR1(B)
- Refutation
- R(b);CHECK
- Try
- B(C);
- Vars
- R(b);N_GUARD::QAR1(B)
- R(b);N_GUARD,P_PINP(D)::QAR1(B)
- R(b);N_GUARD::S(A)
- Refutation
- R(b);CHECK
- Try
- B(C);
- Vars
- R(b);N_GUARD::QAR1(B)
- R(b);N_GUARD,P_PINP(D)::QAR1(B)
- R(b);N_GUARD::S(A)
- Refutation
- R(b);CHECK
- Try
- B(C);
- Vars
- R(b);N_GUARD::QAR1(B)
- R(b);N_GUARD,P_PINP(D)::QAR1(B)
- R(b);N_GUARD::S(A)
- Refutation
- R(b);CHECK
- Try
- Actual
- B(C);
- Vars
- R(b);N_GUARD::QAR1(B)
- R(b);N_GUARD,P_PINP(D)::QAR1(B)
- R(b);N_GUARD::S(A)
- R(b);N_GUARD,P_PINB(C)::S(A)
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).