MESON Chess Problem Database
Problem Display
PID: 71205 (n7/q7/P1NRNp1B/5k1P/P7/7P/KP4B1/8 w - - 0 1)
Bernard, Henry D'Oyly
Western Morning News and Mercury, 1928
#2
11 + 4
| 5454 | Near Snap | 2010 |
| 133 | The Problemist Supplement | 2014 |
| 136 | Problem Observer | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.Sg7#
- 1...Qf2
- 2.Sg7#
- 1...Qe3
- 2.Sg7#
- 1...Qd4
- 2.Sexd4#
- 2.Sg7#
- 1...Qc5
- 2.Sg7#
- 1...Qb6
- 2.Sg7#
- 1...Qb8
- 2.Sed4#
- 2.Sg7#
- 1...Qxa6
- 2.Sed4#
- 2.Sg7#
- 1...Qb7
- 2.Sed4#
- 1...Qc7
- 2.Sed4#
- 1...Qd7
- 2.Sed4#
- 1...Qe7
- 2.Sed4#
- 1...Qg7
- 2.Sed4#
- 2.Sxg7#
- 1...Qh7
- 2.Sed4#
- 1...Sb6
- 2.Sed4#
- 1...Sc7
- 2.Sg7#
- 1...Qg1
- Tries
- 1.Ka1?
- 1...Qxa6
- 2.Sed4#
- 2.Sg7#
- 1...Qf2
- 2.Sg7#
- 1...Qe3
- 2.Sg7#
- 1...Qd4
- 2.Sexd4#
- 2.Sg7#
- 1...Qc5
- 2.Sg7#
- 1...Qb6
- 2.Sg7#
- 1...Qb8
- 2.Sed4#
- 2.Sg7#
- 1...Qb7
- 2.Sed4#
- 1...Qc7
- 2.Sed4#
- 1...Qd7
- 2.Sed4#
- 1...Qe7
- 2.Sed4#
- 1...Qf7
- 2.Sed4#
- 1...Qg7
- 2.Sed4#
- 2.Sxg7#
- 1...Qh7
- 2.Sed4#
- 1...Sb6
- 2.Sed4#
- 1...Sc7
- 2.Sg7#
- 1...Qg1+!
- 1...Qxa6
- 1.Kb1?
- 1...Qxa6
- 2.Sed4#
- 2.Sg7#
- 1...Qf2
- 2.Sg7#
- 1...Qe3
- 2.Sg7#
- 1...Qd4
- 2.Sexd4#
- 2.Sg7#
- 1...Qc5
- 2.Sg7#
- 1...Qb6
- 2.Sg7#
- 1...Qb8
- 2.Sed4#
- 2.Sg7#
- 1...Qb7
- 2.Sed4#
- 1...Qc7
- 2.Sed4#
- 1...Qd7
- 2.Sed4#
- 1...Qe7
- 2.Sed4#
- 1...Qf7
- 2.Sed4#
- 1...Qg7
- 2.Sed4#
- 2.Sxg7#
- 1...Qh7
- 2.Sed4#
- 1...Sb6
- 2.Sed4#
- 1...Sc7
- 2.Sg7#
- 1...Qg1+!
- 1...Qxa6
- 1.Scd4+?
- 1...Ke5
- 2.Bf4#
- 2.Rd5#
- 1...Qxd4!
- 1...Ke5
- 1.Se7+?
- 1...Ke5
- 2.Bf4#
- 1...Qxe7!
- 1...Ke5
- 1.Bd5?
- 1...Qxa6
- 2.Sed4#
- 2.Sg7#
- 1...Qe3
- 2.Sg7#
- 1...Qf2
- 2.Sg7#
- 1...Qd4
- 2.Sexd4#
- 2.Sg7#
- 1...Qc5
- 2.Sg7#
- 1...Qb6
- 2.Sg7#
- 1...Qb8
- 2.Sed4#
- 2.Sg7#
- 1...Qb7
- 2.Sed4#
- 1...Qc7
- 2.Sed4#
- 1...Qd7
- 2.Sed4#
- 1...Qe7
- 2.Sed4#
- 1...Qf7
- 2.Sed4#
- 1...Qg7
- 2.Sed4#
- 2.Sxg7#
- 1...Qh7
- 2.Sed4#
- 1...Sb6
- 2.Sed4#
- 1...Sc7
- 2.Sg7#
- 1...Qg1!
- 1...Qxa6
- 1.b3?
- 1...Qxa6
- 2.Sed4#
- 2.Sg7#
- 1...Qe3
- 2.Sg7#
- 1...Qg1
- 2.Sg7#
- 1...Qd4
- 2.Sexd4#
- 2.Sg7#
- 1...Qc5
- 2.Sg7#
- 1...Qb6
- 2.Sg7#
- 1...Qb8
- 2.Sed4#
- 2.Sg7#
- 1...Qb7
- 2.Sed4#
- 1...Qc7
- 2.Sed4#
- 1...Qd7
- 2.Sed4#
- 1...Qe7
- 2.Sed4#
- 1...Qf7
- 2.Sed4#
- 1...Qg7
- 2.Sed4#
- 2.Sxg7#
- 1...Qh7
- 2.Sed4#
- 1...Sb6
- 2.Sed4#
- 1...Sc7
- 2.Sg7#
- 1...Qf2+!
- 1...Qxa6
- 1.a5?
- 1...Qxa6
- 2.Sed4#
- 2.Sg7#
- 1...Qe3
- 2.Sg7#
- 1...Qg1
- 2.Sg7#
- 1...Qf2
- 2.Sg7#
- 1...Qd4
- 2.Sexd4#
- 2.Sg7#
- 1...Qc5
- 2.Sg7#
- 1...Qb6
- 2.Sg7#
- 1...Qb8
- 2.Sed4#
- 2.Sg7#
- 1...Qb7
- 2.Sed4#
- 1...Qc7
- 2.Sed4#
- 1...Qd7
- 2.Sed4#
- 1...Qe7
- 2.Sed4#
- 1...Qg7
- 2.Sed4#
- 2.Sxg7#
- 1...Qh7
- 2.Sed4#
- 1...Sb6
- 2.Sed4#
- 1...Sc7
- 2.Sg7#
- 1...Qf7!
- 1...Qxa6
- 1.Ka1?
- Keys
- 1.Bf4!
- 1...Qxa6
- 2.Scd4#
- 2.Se7#
- 1...Qe3
- 2.Se7#
- 1...Qg1
- 2.Se7#
- 1...Qf2
- 2.Se7#
- 1...Qd4
- 2.Scxd4#
- 2.Se7#
- 1...Qc5
- 2.Se7#
- 1...Qb6
- 2.Se7#
- 1...Qb8
- 2.Scd4#
- 2.Se7#
- 1...Qb7
- 2.Scd4#
- 1...Qc7
- 2.Scd4#
- 1...Qd7
- 2.Scd4#
- 1...Qe7
- 2.Scd4#
- 2.Sxe7#
- 1...Qf7
- 2.Sd4#
- 1...Qg7
- 2.Scd4#
- 1...Qh7
- 2.Scd4#
- 1...Sb6
- 2.Scd4#
- 1...Sc7
- 2.Se7#
- 1...Qxa6
- 1.Bf4!
This anticipates 137506(1929)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 11
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- Q(c);N_GUARD::S(J)
- Q(c);N_GUARD,P_PINP(B)::S(J)
- S(d);S_CUTQ(c)::S(J)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- Q(c);N_GUARD::S(J)
- S(d);S_CUTQ(c)::S(J)
- Refutation
- Q(c);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- Q(c);N_GUARD::S(J)
- Q(c);N_GUARD,P_PINP(B)::S(J)
- S(d);S_CUTQ(c)::S(J)
- Refutation
- Q(c);CHECK
- Try
- S(H);CHECK
- Refutation
- Q(c);XS(H)
- Try
- S(H);CHECK
- Vars
- K(a);P-FLIGHT::B(K)
- Refutation
- Q(c);XS(H)
- Try
- B(C);
- Vars
- Q(c);N_GUARD::S(J)
- Q(c);N_GUARD,P_PINP(B)::S(J)
- S(d);S_CUTQ(c)::S(J)
- Refutation
- Q(c);
- Try
- P(B);
- Vars
- Q(c);N_GUARD::S(J)
- S(d);S_CUTQ(c)::S(J)
- Refutation
- Q(c);CHECK
- Try
- P(E);
- Vars
- Q(c);N_GUARD::S(J)
- Q(c);N_GUARD,P_PINP(B)::S(J)
- S(d);S_CUTQ(c)::S(J)
- Refutation
- Q(c);P_PINS(J)
- Try
- Actual
- B(K);
- Vars
- Q(c);N_GUARD::S(H)
- Q(c);N_GUARD,P_PINP(B)::S(H)
- Q(c);N_GUARD,P_PINS(J)::S(H)
- S(d);S_CUTQ(c)::S(H)
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).