MESON Chess Problem Database
Problem Display
PID: 243 (K7/p1pp4/r1Q5/q1bR4/1NB4N/1p2kPP1/3Rbrp1/B7 w - - 0 1)
Chandler, Guy Wills
5th Comm., Stratford Express, 1950
#2
10 + 11
| 6104 | A Tribute to G W Chandler | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Qxc5#
- 1...Qa3
- 2.Qxc5#
- 1...Qa4
- 2.Qxc5#
- 1...Rf1
- 2.Rxe2#
- 1...Rxf3
- 2.Rxe2#
- 1...Bd1
- 2.R5d3#
- 1...Bd3
- 2.R5xd3#
- 1...Bxf3
- 2.R5d3#
- 1...Bb6
- 2.Qh6#
- 1...b2
- 2.Sc2#
- 1...d6
- 2.Qe8#
- 1...Qa2
- Tries
- 1.Be5?
- threat
- 2.Bf4#
- 1...Rxf3
- 2.Rxe2#
- 1...Bxf3
- 2.R5d3#
- 1...Rf1
- 2.Rxe2#
- 1...Bd6!
- threat
- 1.Qf6?
- threat
- 2.Qe5#
- 2.Qg5#
- 2.Qf4#
- 1...Qxa1
- 2.Qg5#
- 2.Qf4#
- 1...Rxf3
- 2.Rxe2#
- 1...Bxf3
- 2.Qf4#
- 1...Rf1
- 2.Rxe2#
- 1...Bd3
- 2.R5xd3#
- 2.Qg5#
- 2.Qf4#
- 1...Bd4
- 2.Qxd4#
- 2.Qg5#
- 2.Qf4#
- 1...Bd6
- 2.Qd4#
- 1...Re6
- 2.Qg5#
- 2.Qf4#
- 1...Be7
- 2.Qd4#
- 2.Qe5#
- 2.Qf4#
- 1...d6
- 2.Qg5#
- 2.Qe7#
- 2.Qf4#
- 2.Qe6#
- 2.Qh6#
- 1...Rxf6!
- threat
- 1.Qg6?
- threat
- 2.Qe4#
- 2.Qg5#
- 1...Rxf3
- 2.Rxe2#
- 1...Bxf3
- 2.Qd3#
- 1...Rf1
- 2.Rxe2#
- 1...Bd3
- 2.R5xd3#
- 2.Qxd3#
- 2.Qg5#
- 1...Bd4
- 2.Qg5#
- 1...Bd6
- 2.Qe4#
- 1...Re6
- 2.Qg5#
- 1...Rf6
- 2.Qe4#
- 1...Be7
- 2.Qe4#
- 1...Rxg6!
- threat
- 1.Be5?
- Keys
- 1.Ra2!
- threat
- 2.Re5#
- 1...Qxa2
- 2.Qxc5#
- 1...Rxf3
- 2.Rxe2#
- 1...Bxf3
- 2.Rd3#
- 1...Bxb4
- 2.Bd4#
- 1...bxa2
- 2.Sc2#
- 1...Rf1
- 2.Rxe2#
- 1...Bd6
- 2.Bd4#
- 1...Bd3
- 2.Rxd3#
- 1...Bd4
- 2.Bxd4#
- 1...Bb6
- 2.Qh6#
- 1...Be7
- 2.Bd4#
- 1...Bf8
- 2.Bd4#
- 1...b2
- 2.Sc2#
- 1...d6
- 2.Qe8#
- threat
- 1.Ra2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 3
- Sets
- Q(f);N_GUARD::QAB(I),XB(g)
- R(b);N_GUARD::R1(B),XB(a)
- R(b);N_GUARD,XP(C)::R1(B),XB(a)
- B(a);N_GUARD::R1(H)
- B(a);N_GUARD::R1(H),XB(a)
- B(a);N_GUARD,XP(C)::R1(H)
- B(g);S_CUTR(h)::QAB(I)
- P(d);N_GUARD::S(E)
- P(k);OGATE::QAR(I)
- Tries
- Try
- B(A);
- Threat
- B(A)
- Vars
- R(b);N_GUARD,XP(C)::R1(B),XB(a)
- B(a);N_GUARD,XP(C)::R1(H)
- R(b);N_GUARD::R1(B),XB(a)
- Refutation
- B(g);
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- R(b);N_GUARD,XP(C)::R1(B),XB(a)
- B(a);P_PINR(H),XP(C)::QAB1(I)
- R(b);N_GUARD::R1(B),XB(a)
- B(g);N_GUARD::QAB1(I)
- Refutation
- R(h);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD,XP(C)::R1(B),XB(a)
- B(a);N_GUARD,P_PINR(H),XP(C)::QAR1(I)
- R(b);N_GUARD::R1(B),XB(a)
- B(g);::QAB(I)
- B(g);::QAR1(I)
- R(h);::QAB(I)
- R(h);::QAR1(I)
- Refutation
- R(h);XQ(I)
- Try
- Actual
- R(B);
- Threat
- R(H)
- Vars
- Q(f);N_GUARD,XR(B)::QAB(I),XB(g)
- R(b);N_GUARD,XP(C)::R1(B),XB(a)
- B(a);N_GUARD,XP(C)::R1(H)
- B(g);N_GUARD,XS(E)::B(A)
- P(d);N_GUARD,XR(B)::S(E)
- R(b);N_GUARD::R1(B),XB(a)
- B(g);N_GUARD::B(A)
- B(a);N_GUARD::R1(H),XB(a)
- B(g);N_GUARD::B(A),XB(g)
- B(g);S_CUTR(h)::QAB(I)
- P(d);N_GUARD::S(E)
- P(k);OGATE::QAR(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).