MESON Chess Problem Database
Problem Display
PID: 161444 (6q1/1B1p4/3P4/p4P2/Rb3k1P/3QN2P/1B4p1/6K1 w - - 0 1)
Andrade, Barry Jack da Costa
1st Prize, Sunday Chronicle, 1944
(First published on Sun May 28 1944)
#2
10 + 6
| 14867 | BCPS Library | 2017 |
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kg3
- 2.Sxg2#
- 1...Qa2
- 2.Sxg2#
- 1...Qb3
- 2.Sxg2#
- 1...Qc4
- 2.Sxg2#
- 1...Qd5
- 2.Sxd5#
- 1...Qe6
- 2.Sxg2#
- 1...Qf7
- 2.Sxg2#
- 1...Qh7
- 2.Sxg2#
- 2.Sd5#
- 1...Qg3
- 2.Sd5#
- 2.Qe4#
- 2.Qd4#
- 1...Qg4
- 2.Sd5#
- 1...Qg5
- 2.Sd5#
- 1...Qg6
- 2.Sd5#
- 1...Qg7
- 2.Sd5#
- 1...Qa8
- 2.Sxg2#
- 2.Sd5#
- 1...Qb8
- 2.Sxg2#
- 2.Sd5#
- 1...Qc8
- 2.Sxg2#
- 2.Sd5#
- 1...Qd8
- 2.Sxg2#
- 2.Sd5#
- 1...Qe8
- 2.Sxg2#
- 2.Sd5#
- 1...Qf8
- 2.Sxg2#
- 2.Sd5#
- 1...Qh8
- 2.Sxg2#
- 2.Sd5#
- 1...Kg3
- Tries
- 1.Sg4?
- threat
- 2.Bc1#
- 2.Be5#
- 2.Qf3#
- 1...Qd5
- 2.Bc1#
- 1...Qa2
- 2.Be5#
- 2.Qf3#
- 1...Qb3
- 2.Bc1#
- 2.Be5#
- 1...Qc4
- 2.Be5#
- 2.Qf3#
- 1...Qe6
- 2.Qf3#
- 1...Qg7
- 2.Bc1#
- 2.Qf3#
- 1...Qc8
- 2.Be5#
- 2.Qf3#
- 1...Qe8
- 2.Qf3#
- 1...Qh8
- 2.Bc1#
- 2.Qf3#
- 1...Qxg4!
- threat
- 1.Ba1?
- 1...Kg3
- 2.Sxg2#
- 1...Qd5
- 2.Sxd5#
- 1...Qb3
- 2.Sxg2#
- 1...Qc4
- 2.Sxg2#
- 1...Qe6
- 2.Sxg2#
- 1...Qf7
- 2.Sxg2#
- 1...Qh7
- 2.Sxg2#
- 2.Sd5#
- 1...Qg3
- 2.Sd5#
- 2.Qe4#
- 2.Qd4#
- 1...Qg4
- 2.Sd5#
- 1...Qg5
- 2.Sd5#
- 1...Qg6
- 2.Sd5#
- 1...Qg7
- 2.Sd5#
- 1...Qa8
- 2.Sxg2#
- 2.Sd5#
- 1...Qb8
- 2.Sxg2#
- 2.Sd5#
- 1...Qc8
- 2.Sxg2#
- 2.Sd5#
- 1...Qd8
- 2.Sxg2#
- 2.Sd5#
- 1...Qe8
- 2.Sxg2#
- 2.Sd5#
- 1...Qf8
- 2.Sxg2#
- 2.Sd5#
- 1...Qh8
- 2.Sxg2#
- 2.Sd5#
- 1...Qa2!
- 1...Kg3
- 1.Bc3?
- 1...Kg3
- 2.Sxg2#
- 1...Qd5
- 2.Sxd5#
- 1...Qb3
- 2.Sxg2#
- 1...Qc4
- 2.Sxg2#
- 1...Qe6
- 2.Sxg2#
- 1...Qf7
- 2.Sxg2#
- 1...Qh7
- 2.Sxg2#
- 2.Sd5#
- 1...Qg3
- 2.Sd5#
- 2.Qe4#
- 2.Qd4#
- 1...Qg4
- 2.Sd5#
- 1...Qg5
- 2.Sd5#
- 1...Qg6
- 2.Sd5#
- 1...Qg7
- 2.Sd5#
- 1...Qa8
- 2.Sxg2#
- 2.Sd5#
- 1...Qb8
- 2.Sxg2#
- 2.Sd5#
- 1...Qc8
- 2.Sxg2#
- 2.Sd5#
- 1...Qd8
- 2.Sxg2#
- 2.Sd5#
- 1...Qe8
- 2.Sxg2#
- 2.Sd5#
- 1...Qf8
- 2.Sxg2#
- 2.Sd5#
- 1...Qh8
- 2.Sxg2#
- 2.Sd5#
- 1...Qa2!
- 1...Kg3
- 1.Bf6?
- 1...Kg3
- 2.Sxg2#
- 2.Sd5#
- 1...Qd5
- 2.Sxd5#
- 1...Qb3
- 2.Sxg2#
- 1...Qc4
- 2.Sxg2#
- 1...Qe6
- 2.Sxg2#
- 1...Qf7
- 2.Sxg2#
- 1...Qh7
- 2.Sxg2#
- 2.Sd5#
- 1...Qg3
- 2.Sd5#
- 2.Qe4#
- 2.Qd4#
- 1...Qg4
- 2.Sd5#
- 1...Qg5
- 2.Sd5#
- 1...Qg6
- 2.Sd5#
- 1...Qg7
- 2.Sd5#
- 1...Qa8
- 2.Sxg2#
- 2.Sd5#
- 1...Qb8
- 2.Sxg2#
- 2.Sd5#
- 1...Qc8
- 2.Sxg2#
- 2.Sd5#
- 1...Qd8
- 2.Sxg2#
- 2.Sd5#
- 1...Qe8
- 2.Sxg2#
- 2.Sd5#
- 1...Qf8
- 2.Sxg2#
- 2.Sd5#
- 1...Qh8
- 2.Sxg2#
- 2.Sd5#
- 1...Qa2!
- 1...Kg3
- 1.Ba6?
- 1...Kf3
- 2.Sxg2#
- 2.Sd5#
- 1...Kg3
- 2.Sxg2#
- 1...Qa2
- 2.Sxg2#
- 1...Qb3
- 2.Sxg2#
- 1...Qc4
- 2.Sxg2#
- 1...Qd5
- 2.Sxd5#
- 1...Qe6
- 2.Sxg2#
- 1...Qf7
- 2.Sxg2#
- 1...Qh7
- 2.Sxg2#
- 2.Sd5#
- 1...Qg3
- 2.Sd5#
- 1...Qg4
- 2.Sd5#
- 1...Qg5
- 2.Sd5#
- 1...Qg6
- 2.Sd5#
- 1...Qg7
- 2.Sd5#
- 1...Qb8
- 2.Sxg2#
- 2.Sd5#
- 1...Qc8
- 2.Sxg2#
- 2.Sd5#
- 1...Qd8
- 2.Sxg2#
- 2.Sd5#
- 1...Qe8
- 2.Sxg2#
- 2.Sd5#
- 1...Qf8
- 2.Sxg2#
- 2.Sd5#
- 1...Qh8
- 2.Sxg2#
- 2.Sd5#
- 1...Qa8!
- 1...Kf3
- 1.Bc6?
- 1...Kg3
- 2.Sxg2#
- 1...Qd5
- 2.Sxd5#
- 1...Qa2
- 2.Sxg2#
- 1...Qb3
- 2.Sxg2#
- 1...Qc4
- 2.Sxg2#
- 1...Qe6
- 2.Sxg2#
- 1...Qf7
- 2.Sxg2#
- 1...Qh7
- 2.Sxg2#
- 2.Sd5#
- 1...Qg3
- 2.Sd5#
- 2.Qe4#
- 2.Qd4#
- 1...Qg4
- 2.Sd5#
- 1...Qg5
- 2.Sd5#
- 1...Qg6
- 2.Sd5#
- 1...Qg7
- 2.Sd5#
- 1...Qa8
- 2.Sxg2#
- 2.Sd5#
- 1...Qb8
- 2.Sxg2#
- 2.Sd5#
- 1...Qc8
- 2.Sxg2#
- 2.Sd5#
- 1...Qd8
- 2.Sxg2#
- 2.Sd5#
- 1...Qe8
- 2.Sxg2#
- 2.Sd5#
- 1...Qf8
- 2.Sxg2#
- 2.Sd5#
- 1...Qh8
- 2.Sxg2#
- 2.Sd5#
- 1...dxc6!
- 1...Kg3
- 1.Ba8?
- 1...Kg3
- 2.Sxg2#
- 1...Qd5
- 2.Sxd5#
- 1...Qa2
- 2.Sxg2#
- 1...Qb3
- 2.Sxg2#
- 1...Qc4
- 2.Sxg2#
- 1...Qe6
- 2.Sxg2#
- 1...Qf7
- 2.Sxg2#
- 1...Qh7
- 2.Sxg2#
- 2.Sd5#
- 1...Qg3
- 2.Sd5#
- 2.Qe4#
- 2.Qd4#
- 1...Qg4
- 2.Sd5#
- 1...Qg5
- 2.Sd5#
- 1...Qg6
- 2.Sd5#
- 1...Qg7
- 2.Sd5#
- 1...Qb8
- 2.Sxg2#
- 2.Sd5#
- 1...Qc8
- 2.Sxg2#
- 2.Sd5#
- 1...Qd8
- 2.Sxg2#
- 2.Sd5#
- 1...Qe8
- 2.Sxg2#
- 2.Sd5#
- 1...Qf8
- 2.Sxg2#
- 2.Sd5#
- 1...Qh8
- 2.Sxg2#
- 2.Sd5#
- 1...Qxa8!
- 1...Kg3
- 1.Rxb4+?
- 1...Kg3
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sxg2#
- 2.Sd5#
- 1...Qc4
- 2.Sxg2#
- 2.Sd5#
- 1...axb4!
- 1...Kg3
- 1.f6?
- 1...Kg3
- 2.Sxg2#
- 1...Qd5
- 2.Sxd5#
- 1...Qa2
- 2.Sxg2#
- 1...Qb3
- 2.Sxg2#
- 1...Qc4
- 2.Sxg2#
- 1...Qe6
- 2.Sxg2#
- 1...Qf7
- 2.Sxg2#
- 1...Qh7
- 2.Sxg2#
- 2.Sd5#
- 1...Qg3
- 2.Sd5#
- 2.Qe4#
- 2.Qd4#
- 1...Qg4
- 2.Sd5#
- 1...Qg6
- 2.Sd5#
- 1...Qg7
- 2.Sd5#
- 1...Qa8
- 2.Sxg2#
- 2.Sd5#
- 1...Qb8
- 2.Sxg2#
- 2.Sd5#
- 1...Qc8
- 2.Sxg2#
- 2.Sd5#
- 1...Qd8
- 2.Sxg2#
- 2.Sd5#
- 1...Qe8
- 2.Sxg2#
- 2.Sd5#
- 1...Qf8
- 2.Sxg2#
- 2.Sd5#
- 1...Qh8
- 2.Sxg2#
- 2.Sd5#
- 1...Qg5!
- 1...Kg3
- 1.Sg4?
- Keys
- 1.Bc8!
- 1...Kf3
- 2.Sxg2#
- 2.Sd5#
- 1...Kg3
- 2.Sxg2#
- 1...Qxc8
- 2.Sxg2#
- 2.Sd5#
- 1...Qa2
- 2.Sxg2#
- 1...Qb3
- 2.Sxg2#
- 1...Qc4
- 2.Sxg2#
- 1...Qd5
- 2.Sxd5#
- 1...Qe6
- 2.Sxg2#
- 1...Qf7
- 2.Sxg2#
- 1...Qh7
- 2.Sxg2#
- 2.Sd5#
- 1...Qg3
- 2.Sd5#
- 1...Qg4
- 2.Sd5#
- 1...Qg5
- 2.Sd5#
- 1...Qg6
- 2.Sd5#
- 1...Qg7
- 2.Sd5#
- 1...Qd8
- 2.Sxg2#
- 2.Sd5#
- 1...Qe8
- 2.Sxg2#
- 2.Sd5#
- 1...Qf8
- 2.Sxg2#
- 2.Sd5#
- 1...Qh8
- 2.Sxg2#
- 2.Sd5#
- 1...Kf3
- 1.Bc8!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(c);N_SPINB(b),S_FLIGHT::QAR(C)+S(D),XP(a)
- Q(f);N_GUARD::S(D),XP(a)
- Q(f);N_GUARD,N_SPINB(b)::S(D),XP(a)
- Q(f);N_GUARD::S(D),XQ(f)
- Q(f);N_GUARD::S(D)
- Tries
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- Q(f);::B(B)
- Q(f);::QAR1(C)
- Refutation
- Q(f);XS(D)
- Try
- B(B);
- Vars
- K(c);N_SPINB(b),S_FLIGHT::QAR(C)+S(D),XP(a)
- Q(f);N_GUARD::S(D),XQ(f)
- Q(f);N_GUARD::S(D),XP(a)
- Q(f);N_GUARD,N_SPINB(b)::S(D),XP(a)
- Q(f);N_GUARD::S(D)
- Refutation
- Q(f);
- Try
- B(B);
- Vars
- K(c);N_SPINB(b),S_FLIGHT::QAR(C)+S(D),XP(a)
- Q(f);N_GUARD::S(D),XQ(f)
- Q(f);N_GUARD::S(D),XP(a)
- Q(f);N_GUARD,N_SPINB(b)::S(D),XP(a)
- Q(f);N_GUARD::S(D)
- Refutation
- Q(f);
- Try
- B(B);
- Vars
- Q(f);N_GUARD::S(D),XQ(f)
- Q(f);N_GUARD::S(D),XP(a)
- Q(f);N_GUARD,N_SPINB(b)::S(D),XP(a)
- Q(f);N_GUARD::S(D)
- Refutation
- Q(f);
- Try
- B(J);
- Vars
- K(c);N_SPINB(b),S_FLIGHT::QAR(C)+S(D),XP(a)
- Q(f);N_GUARD::S(D),XP(a)
- Q(f);N_GUARD,N_SPINB(b)::S(D),XP(a)
- Q(f);N_GUARD::S(D),XQ(f)
- Q(f);N_GUARD::S(D)
- Refutation
- Q(f);
- Try
- B(J);
- Vars
- K(c);N_SPINB(b),S_FLIGHT::QAR(C)+S(D),XP(a)
- Q(f);N_GUARD::S(D),XQ(f)
- Q(f);N_GUARD::S(D),XP(a)
- Q(f);N_GUARD,N_SPINB(b)::S(D),XP(a)
- Q(f);N_GUARD::S(D)
- Refutation
- P(e);XB(J)
- Try
- B(J);
- Vars
- K(c);N_SPINB(b),S_FLIGHT::QAR(C)+S(D),XP(a)
- Q(f);N_GUARD::S(D),XQ(f)
- Q(f);N_GUARD::S(D),XP(a)
- Q(f);N_GUARD,N_SPINB(b)::S(D),XP(a)
- Q(f);N_GUARD::S(D)
- Refutation
- Q(f);XB(J)
- Try
- R(F);CHECK,XB(b)
- Refutation
- P(d);XR(F)
- Try
- P(H);
- Vars
- K(c);N_SPINB(b),S_FLIGHT::QAR(C)+S(D),XP(a)
- Q(f);N_GUARD::S(D),XQ(f)
- Q(f);N_GUARD::S(D),XP(a)
- Q(f);N_GUARD,N_SPINB(b)::S(D),XP(a)
- Q(f);N_GUARD::S(D)
- Refutation
- Q(f);
- Try
- Actual
- B(J);
- Vars
- K(c);N_SPINB(b),S_FLIGHT::QAR(C)+S(D),XP(a)
- Q(f);N_GUARD::S(D),XP(a)
- Q(f);N_GUARD,N_SPINB(b)::S(D),XP(a)
- Q(f);N_GUARD::S(D),XQ(f)
- Q(f);N_GUARD::S(D)
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).