MESON Chess Problem Database
Problem Display
PID: 158589 (8/6q1/4pN2/4k2P/1B2P3/3KQ3/3P1P2/8 w - - 0 1)
Braune, Robert
British Chess Magazine 13. Ty., 1906-1907
#2
8 + 3
| 5821 | Robert Braune - Apotre de la Symetrie | 1914 |
SOLUTION
- SOUND
- Sets
- 1...Kxf6
- 2.Qf4#
- 1...Qh6
- 2.Sg4#
- 2.Sd7#
- 1...Qf8
- 2.Sg4#
- 2.Sd7#
- 2.Qg5#
- 1...Qh8
- 2.Sg4#
- 2.Sd7#
- 2.Qg5#
- 1...Qg1
- 2.Sd7#
- 1...Qg2
- 2.Sd7#
- 1...Qg3
- 2.Sd7#
- 1...Qg4
- 2.Sxg4#
- 2.Sd7#
- 1...Qg5
- 2.Sd7#
- 2.Qxg5#
- 1...Qg6
- 2.Sd7#
- 1...Qa7
- 2.Sg4#
- 2.Qg5#
- 1...Qb7
- 2.Sg4#
- 2.Qg5#
- 1...Qc7
- 2.Sg4#
- 2.Qg5#
- 1...Qd7+
- 2.Sxd7#
- 1...Qe7
- 2.Sg4#
- 2.Qg5#
- 1...Qf7
- 2.Sg4#
- 2.Qg5#
- 1...Qh7
- 2.Sg4#
- 1...Qg8
- 2.Sd7#
- 1...Kxf6
- Tries
- 1.Kc2?
- 1...Kxf6
- 2.Qf4#
- 1...Qxf6
- 2.d4#
- 1...Qh6
- 2.Sg4#
- 2.Sd7#
- 1...Qf8
- 2.Sg4#
- 2.Sd7#
- 1...Qh8
- 2.Sg4#
- 2.Sd7#
- 1...Qg1
- 2.Sd7#
- 1...Qg2
- 2.Sd7#
- 1...Qg3
- 2.Sd7#
- 1...Qg4
- 2.Sxg4#
- 2.Sd7#
- 1...Qg5
- 2.Sd7#
- 1...Qg6
- 2.Sd7#
- 1...Qa7
- 2.Sg4#
- 1...Qb7
- 2.Sg4#
- 1...Qd7
- 2.Sg4#
- 2.Sxd7#
- 1...Qe7
- 2.Sg4#
- 1...Qf7
- 2.Sg4#
- 1...Qh7
- 2.Sg4#
- 1...Qg8
- 2.Sd7#
- 1...Qc7+!
- 1...Kxf6
- 1.Kc3?
- 1...Kxf6
- 2.Qf4#
- 1...Qxf6
- 2.d4#
- 1...Qh6
- 2.Sg4#
- 2.Sd7#
- 1...Qf8
- 2.Sg4#
- 2.Sd7#
- 2.Qg5#
- 1...Qh8
- 2.Sg4#
- 2.Sd7#
- 2.Qg5#
- 1...Qg1
- 2.Sd7#
- 1...Qg2
- 2.Sd7#
- 1...Qg3
- 2.Sd7#
- 1...Qg4
- 2.Sxg4#
- 2.Sd7#
- 1...Qg5
- 2.Sd7#
- 2.Qxg5#
- 1...Qg6
- 2.Sd7#
- 1...Qa7
- 2.Sg4#
- 2.Qg5#
- 1...Qb7
- 2.Sg4#
- 2.Qg5#
- 1...Qd7
- 2.Sg4#
- 2.Sxd7#
- 2.Qg5#
- 1...Qe7
- 2.Sg4#
- 2.Qg5#
- 1...Qf7
- 2.Sg4#
- 2.Qg5#
- 1...Qh7
- 2.Sg4#
- 1...Qg8
- 2.Sd7#
- 1...Qc7+!
- 1...Kxf6
- 1.Kc4?
- 1...Kxf6
- 2.Qf4#
- 1...Qxf6
- 2.d4#
- 1...Qh6
- 2.Sg4#
- 2.Sd7#
- 1...Qf8
- 2.Sg4#
- 2.Sd7#
- 2.Qg5#
- 1...Qh8
- 2.Sg4#
- 2.Sd7#
- 2.Qg5#
- 1...Qg1
- 2.Sd7#
- 1...Qg2
- 2.Sd7#
- 1...Qg3
- 2.Sd7#
- 1...Qg4
- 2.Sxg4#
- 2.Sd7#
- 1...Qg5
- 2.Sd7#
- 2.Qxg5#
- 1...Qg6
- 2.Sd7#
- 1...Qa7
- 2.Sg4#
- 2.Qg5#
- 1...Qb7
- 2.Sg4#
- 2.Qg5#
- 1...Qd7
- 2.Sg4#
- 2.Sxd7#
- 2.Qg5#
- 1...Qe7
- 2.Sg4#
- 2.Qg5#
- 1...Qf7
- 2.Sg4#
- 2.Qg5#
- 1...Qh7
- 2.Sg4#
- 1...Qg8
- 2.Sd7#
- 1...Qc7+!
- 1...Kxf6
- 1.Sd5?
- threat
- 2.Qd4#
- 2.Qf4#
- 2.f4#
- 1...Qf6
- 2.Qd4#
- 1...Qh6
- 2.Qd4#
- 1...Qf8
- 2.Qd4#
- 1...Qg3
- 2.Qxg3#
- 1...Qg4
- 2.Qd4#
- 1...Qg5
- 2.Qd4#
- 2.Qxg5#
- 1...Qa7
- 2.Qf4#
- 2.Qg5#
- 2.Qg3#
- 2.f4#
- 1...Qf7
- 2.Qd4#
- 1...exd5!
- threat
- 1.Se8?
- threat
- 2.Bc3#
- 2.Bd6#
- 2.f4#
- 1...Qf6
- 2.Bc3#
- 2.Bd6#
- 1...Qh6
- 2.Bc3#
- 2.Bd6#
- 1...Qf8
- 2.Bc3#
- 1...Qg3
- 2.Bc3#
- 2.Bd6#
- 2.Qxg3#
- 1...Qg4
- 2.Bc3#
- 2.Bd6#
- 1...Qg5
- 2.Bc3#
- 2.Bd6#
- 2.Qxg5#
- 1...Qa7
- 2.Bd6#
- 2.Qg5#
- 2.Qg3#
- 2.f4#
- 1...Qc7
- 2.Qg5#
- 2.Qg3#
- 2.f4#
- 1...Qe7
- 2.Bc3#
- 2.Qg3#
- 2.f4#
- 1...Qf7
- 2.Bc3#
- 2.Bd6#
- 1...Qd7+!
- threat
- 1.Ba3?
- 1...Qd7+
- 2.Sxd7#
- 1...Kxf6
- 2.Qf4#
- 1...Qh6
- 2.Sg4#
- 2.Sd7#
- 1...Qf8
- 2.Sg4#
- 2.Sd7#
- 2.Qg5#
- 1...Qh8
- 2.Sg4#
- 2.Sd7#
- 2.Qg5#
- 1...Qg1
- 2.Sd7#
- 1...Qg2
- 2.Sd7#
- 1...Qg3
- 2.Sd7#
- 1...Qg4
- 2.Sxg4#
- 2.Sd7#
- 1...Qg5
- 2.Sd7#
- 2.Qxg5#
- 1...Qg6
- 2.Sd7#
- 1...Qa7
- 2.Sg4#
- 2.Qg5#
- 1...Qb7
- 2.Sg4#
- 2.Qg5#
- 1...Qc7
- 2.Sg4#
- 2.Qg5#
- 1...Qe7
- 2.Sg4#
- 2.Qg5#
- 1...Qf7
- 2.Sg4#
- 2.Qg5#
- 1...Qh7
- 2.Sg4#
- 1...Qg8
- 2.Sd7#
- 1...Qxf6!
- 1...Qd7+
- 1.Bc5?
- 1...Qd7+
- 2.Sxd7#
- 1...Kxf6
- 2.Qf4#
- 1...Qh6
- 2.Sg4#
- 2.Sd7#
- 1...Qf8
- 2.Sg4#
- 2.Sd7#
- 2.Qg5#
- 1...Qh8
- 2.Sg4#
- 2.Sd7#
- 2.Qg5#
- 1...Qg1
- 2.Sd7#
- 1...Qg2
- 2.Sd7#
- 1...Qg3
- 2.Sd7#
- 1...Qg4
- 2.Sxg4#
- 2.Sd7#
- 1...Qg5
- 2.Sd7#
- 2.Qxg5#
- 1...Qg6
- 2.Sd7#
- 1...Qa7
- 2.Sg4#
- 2.Qg5#
- 1...Qb7
- 2.Sg4#
- 2.Qg5#
- 1...Qc7
- 2.Sg4#
- 2.Qg5#
- 1...Qe7
- 2.Sg4#
- 2.Qg5#
- 1...Qf7
- 2.Sg4#
- 2.Qg5#
- 1...Qh7
- 2.Sg4#
- 1...Qg8
- 2.Sd7#
- 1...Qxf6!
- 1...Qd7+
- 1.Bd6+?
- 1...Kxf6
- 2.Qf4#
- 1...Kxd6!
- 1...Kxf6
- 1.Qf3?
- 1...Qd7+
- 2.Sxd7#
- 1...Qh6
- 2.Sg4#
- 2.Sd7#
- 1...Qf8
- 2.Sg4#
- 2.Sd7#
- 1...Qh8
- 2.Sg4#
- 2.Sd7#
- 1...Qg1
- 2.Sd7#
- 1...Qg2
- 2.Sd7#
- 1...Qg3
- 2.Sd7#
- 1...Qg4
- 2.Sxg4#
- 2.Sd7#
- 1...Qg5
- 2.Sd7#
- 1...Qg6
- 2.Sd7#
- 1...Qa7
- 2.Sg4#
- 1...Qb7
- 2.Sg4#
- 1...Qc7
- 2.Sg4#
- 1...Qe7
- 2.Sg4#
- 1...Qf7
- 2.Sg4#
- 1...Qh7
- 2.Sg4#
- 1...Qg8
- 2.Sd7#
- 1...Qxf6!
- 1...Qd7+
- 1.Qg3+?
- 1...Kxf6
- 2.Qf4#
- 1...Qxg3+!
- 1...Kxf6
- 1.f3?
- 1...Qd7+
- 2.Sxd7#
- 1...Kxf6
- 2.Qf4#
- 1...Qh6
- 2.Sg4#
- 2.Sd7#
- 1...Qf8
- 2.Sg4#
- 2.Sd7#
- 2.Qg5#
- 1...Qh8
- 2.Sg4#
- 2.Sd7#
- 2.Qg5#
- 1...Qg1
- 2.Sd7#
- 1...Qg2
- 2.Sd7#
- 1...Qg3
- 2.Sd7#
- 1...Qg4
- 2.Sxg4#
- 2.Sd7#
- 1...Qg5
- 2.Sd7#
- 2.Qxg5#
- 1...Qg6
- 2.Sd7#
- 1...Qa7
- 2.Sg4#
- 2.Qg5#
- 1...Qb7
- 2.Sg4#
- 2.Qg5#
- 1...Qc7
- 2.Sg4#
- 2.Qg5#
- 1...Qe7
- 2.Sg4#
- 2.Qg5#
- 1...Qf7
- 2.Sg4#
- 2.Qg5#
- 1...Qh7
- 2.Sg4#
- 1...Qg8
- 2.Sd7#
- 1...Qxf6!
- 1...Qd7+
- 1.Kc2?
- Keys
- 1.Ke2!
- 1...Qg4+
- 2.Sxg4#
- 1...Kxf6
- 2.Qf4#
- 1...Qxf6
- 2.d4#
- 1...Qh6
- 2.Sg4#
- 2.Sd7#
- 1...Qf8
- 2.Sg4#
- 2.Sd7#
- 1...Qh8
- 2.Sg4#
- 2.Sd7#
- 1...Qg1
- 2.Sd7#
- 1...Qg2
- 2.Sd7#
- 1...Qg3
- 2.Sd7#
- 1...Qg5
- 2.Sd7#
- 1...Qg6
- 2.Sd7#
- 1...Qa7
- 2.Sg4#
- 1...Qb7
- 2.Sg4#
- 1...Qc7
- 2.Sg4#
- 1...Qd7
- 2.Sg4#
- 2.Sxd7#
- 1...Qe7
- 2.Sg4#
- 1...Qf7
- 2.Sg4#
- 1...Qh7
- 2.Sg4#
- 1...Qg8
- 2.Sd7#
- 1...Qg4+
- 1.Ke2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 1
- Sets
- K(a);S_FLIGHT,XS(H)::QAR2(D)
- Q(c);N_GUARD::S(H)
- Q(c);N_GUARD,P_PINQ(D)::S(H)
- Q(c);N_GUARD,P_PINP(F)::S(H)
- Q(c);CHECK,N_GUARD::S(H),XQ(c)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- K(a);S_FLIGHT,XS(H)::QAR2(D)
- Q(c);SBLOCK,XS(H)::P(A)
- Q(c);N_GUARD::S(H)
- Q(c);N_GUARD,P_PINP(F)::S(H)
- Refutation
- Q(c);CHECK
- Try
- K(C);P-FLIGHT
- Vars
- K(a);S_FLIGHT,XS(H)::QAR2(D)
- Q(c);SBLOCK,XS(H)::P(A)
- Q(c);N_GUARD::S(H)
- Q(c);N_GUARD,P_PINQ(D)::S(H)
- Refutation
- Q(c);CHECK
- Try
- K(C);S_FLIGHT
- Vars
- K(a);S_FLIGHT,XS(H)::QAR2(D)
- Q(c);SBLOCK,XS(H)::P(A)
- Q(c);N_GUARD::S(H)
- Refutation
- Q(c);CHECK
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- Q(c);::QAB1(D)
- Q(c);N_GUARD,P_PINQ(D)::QAB(D),XQ(c)
- Refutation
- P(b);XS(H)
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- Q(c);::B(E)
- Refutation
- Q(c);CHECK
- Try
- B(E);
- Vars
- Q(c);CHECK,N_GUARD::S(H),XQ(c)
- K(a);S_FLIGHT,XS(H)::QAR2(D)
- Q(c);N_GUARD::S(H)
- Q(c);N_GUARD,P_PINQ(D)::S(H)
- Q(c);N_GUARD,P_PINP(F)::S(H)
- Refutation
- Q(c);XS(H)
- Try
- B(E);
- Vars
- Q(c);CHECK,N_GUARD::S(H),XQ(c)
- K(a);S_FLIGHT,XS(H)::QAR2(D)
- Q(c);N_GUARD::S(H)
- Q(c);N_GUARD,P_PINQ(D)::S(H)
- Q(c);N_GUARD,P_PINP(F)::S(H)
- Refutation
- Q(c);XS(H)
- Try
- B(E);CHECK
- Vars
- K(a);S_FLIGHT,XS(H)::QAR2(D)
- Refutation
- K(a);S_FLIGHT,XB(E)
- Try
- Q(D);
- Vars
- Q(c);CHECK,N_GUARD::S(H),XQ(c)
- Q(c);N_GUARD::S(H)
- Q(c);N_GUARD,P_PINQ(D)::S(H)
- Q(c);N_GUARD,P_PINP(F)::S(H)
- Refutation
- Q(c);XS(H)
- Try
- Q(D);CHECK
- Vars
- K(a);S_FLIGHT,XS(H)::QAR2(D)
- Refutation
- Q(c);CHECK,XQ(D)
- Try
- P(B);
- Vars
- Q(c);CHECK,N_GUARD::S(H),XQ(c)
- K(a);S_FLIGHT,XS(H)::QAR2(D)
- Q(c);N_GUARD::S(H)
- Q(c);N_GUARD,P_PINP(F)::S(H)
- Refutation
- Q(c);XS(H)
- Try
- Actual
- K(C);S_FLIGHT
- Vars
- Q(c);CHECK,N_GUARD::S(H),XQ(c)
- K(a);S_FLIGHT,XS(H)::QAR2(D)
- Q(c);SBLOCK,XS(H)::P(A)
- Q(c);N_GUARD::S(H)
- Q(c);N_GUARD,P_PINP(B)::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).