MESON Chess Problem Database
Problem Display
PID: 64552 (8/1p6/1B1pp1B1/1Q3r2/KP2k2r/7N/4p2N/6R1 w - - 0 1)
Sparke, Arthur M
Good Companions (April), 1920
#2
8 + 7
| 3132 | The Good Companion Two-Mover | 1922 |
SOLUTION
- SOUND
- Sets
- 1...Rxh3
- 2.Rg4#
- 1...Rf4
- 2.Sg5#
- 1...Rg4
- 2.Rxg4#
- 1...Rh5
- 2.Rg4#
- 1...Rh6
- 2.Rg4#
- 1...Rh7
- 2.Rg4#
- 1...Rh8
- 2.Rg4#
- 1...e1Q
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 1...d5
- 2.Qxe2#
- 1...e5
- 2.Qc4#
- 1...Rxh3
- Tries
- 1.Ka3?
- 1...d5
- 2.Qxe2#
- 1...e1Q
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 1...Rf4
- 2.Sg5#
- 1...Rg4
- 2.Rxg4#
- 1...Rh5
- 2.Rg4#
- 1...Rh6
- 2.Rg4#
- 1...Rh7
- 2.Rg4#
- 1...Rh8
- 2.Rg4#
- 1...e5
- 2.Qc4#
- 1...Rxh3+!
- 1...d5
- 1.Kb3?
- 1...d5
- 2.Qxe2#
- 1...e1Q
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 1...Rf4
- 2.Sg5#
- 1...Rg4
- 2.Rxg4#
- 1...Rh5
- 2.Rg4#
- 1...Rh6
- 2.Rg4#
- 1...Rh7
- 2.Rg4#
- 1...Rh8
- 2.Rg4#
- 1...e5
- 2.Qc4#
- 1...Rxh3+!
- 1...d5
- 1.Sf3?
- threat
- 2.Sd2#
- 2.Sfg5#
- 1...Kxf3
- 2.Qd3#
- 1...e1Q
- 2.Sfg5#
- 1...e1B
- 2.Sfg5#
- 1...Rg4
- 2.Sd2#
- 1...Rh5
- 2.Sd2#
- 1...d5
- 2.Qxe2#
- 1...Rxh3!
- threat
- 1.Bf2?
- 1...Rxh3
- 2.Rg4#
- 1...d5
- 2.Qxe2#
- 1...e1Q
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 1...Rf4
- 2.Sg5#
- 1...Rg4
- 2.Rxg4#
- 1...Rh5
- 2.Rg4#
- 1...Rh6
- 2.Rg4#
- 1...Rh7
- 2.Rg4#
- 1...Rh8
- 2.Rg4#
- 1...e5
- 2.Qc4#
- 1...b6!
- 1...Rxh3
- 1.Ba7?
- 1...Rxh3
- 2.Rg4#
- 1...d5
- 2.Qxe2#
- 1...e1Q
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 1...Rf4
- 2.Sg5#
- 1...Rg4
- 2.Rxg4#
- 1...Rh5
- 2.Rg4#
- 1...Rh6
- 2.Rg4#
- 1...Rh7
- 2.Rg4#
- 1...Rh8
- 2.Rg4#
- 1...e5
- 2.Qc4#
- 1...b6!
- 1...Rxh3
- 1.Bh7?
- 1...Rxh3
- 2.Rg4#
- 1...d5
- 2.Qxe2#
- 1...e1Q
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 1...Rf4
- 2.Sg5#
- 1...Rg4
- 2.Rxg4#
- 1...Rh5
- 2.Rg4#
- 1...Rh6
- 2.Rg4#
- 1...e5
- 2.Qc4#
- 1...Rxh7!
- 1...Rxh3
- 1.Ka3?
- Keys
- 1.Ka5!
- 1...Rxh3
- 2.Rg4#
- 1...d5
- 2.Qxe2#
- 1...e1Q
- 2.Rxe1#
- 1...e1S
- 2.Rxe1#
- 1...e1B
- 2.Rxe1#
- 1...e1R
- 2.Rxe1#
- 1...Rf4
- 2.Sg5#
- 1...Rg4
- 2.Rxg4#
- 1...Rh5
- 2.Rg4#
- 1...Rh6
- 2.Rg4#
- 1...Rh7
- 2.Rg4#
- 1...Rh8
- 2.Rg4#
- 1...e5
- 2.Qc4#
- 1...Rxh3
- 1.Ka5!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD,XS(C)::R(A)
- R(c);SBLOCK::S(C)
- R(c);N_GUARD::R(A),XR(c)
- R(c);N_GUARD::R(A)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- P(e);SBLOCK::QAR2(F),XP(a)
- P(f);SBLOCK::QAR2(F)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- P(e);SBLOCK::QAR2(F),XP(a)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- R(c);SBLOCK::S(C)
- R(c);N_GUARD::R(A),XR(c)
- R(c);N_GUARD::R(A)
- P(f);SBLOCK::QAR2(F)
- Refutation
- R(c);CHECK,XS(C)
- Try
- K(D);S_FLIGHT
- Vars
- P(e);SBLOCK::QAR2(F),XP(a)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- R(c);SBLOCK::S(C)
- R(c);N_GUARD::R(A),XR(c)
- R(c);N_GUARD::R(A)
- P(f);SBLOCK::QAR2(F)
- Refutation
- R(c);CHECK,XS(C)
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- K(b);N_SPINR(d),P_PINP(E),S_FLIGHT,XS(B)::QAR2(F)
- P(a);::S(B)
- R(c);::S(B)
- P(e);SBLOCK::QAR2(F),XP(a)
- Refutation
- R(c);XS(C)
- Try
- B(G);
- Vars
- R(c);N_GUARD,XS(C)::R(A)
- P(e);SBLOCK::QAR2(F),XP(a)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- R(c);SBLOCK::S(C)
- R(c);N_GUARD::R(A),XR(c)
- R(c);N_GUARD::R(A)
- P(f);SBLOCK::QAR2(F)
- Refutation
- P(g);
- Try
- B(G);
- Vars
- R(c);N_GUARD,XS(C)::R(A)
- P(e);SBLOCK::QAR2(F),XP(a)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- R(c);SBLOCK::S(C)
- R(c);N_GUARD::R(A),XR(c)
- R(c);N_GUARD::R(A)
- P(f);SBLOCK::QAR2(F)
- Refutation
- P(g);
- Try
- B(H);
- Vars
- R(c);N_GUARD,XS(C)::R(A)
- P(e);SBLOCK::QAR2(F),XP(a)
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- R(c);SBLOCK::S(C)
- R(c);N_GUARD::R(A),XR(c)
- R(c);N_GUARD::R(A)
- P(f);SBLOCK::QAR2(F)
- Refutation
- R(c);N_SPINR(d),XB(H)
- Try
- Actual
- K(D);P-FLIGHT,P_SPINQ(F)
- Vars
- R(c);N_GUARD,XS(C)::R(A)
- P(e);N_PINQ(F),SBLOCK::QAR2(F),XP(a)
- P(a);OGATEB,P_PINP(E)::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB,P_PINP(E)::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- R(c);SBLOCK::S(C)
- R(c);N_GUARD::R(A),XR(c)
- R(c);N_GUARD::R(A)
- P(f);N_PINQ(F),SBLOCK::QAR2(F)
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).