MESON Chess Problem Database
Problem Display
PID: 21800 (RN6/p1k1PP2/qp1NQP2/1b2KP2/p7/P7/8/8 w - - 0 1)
Funk, Henry E
1st Prize=, Good Companions (April Complete Blocks), 1921
#2
10 + 6
| 3132 | The Good Companion Two-Mover | 1922 |
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
| 273 | Mat Plus | 1994 |
SOLUTION
- SOUND
- Sets
- 1...Qb7
- 2.Sxb5#
- 1...Qc8
- 2.Qxc8#
- 1...Qa5
- 2.Qc8#
- 1...Bf1
- 2.Qd7#
- 1...Be2
- 2.Qd7#
- 1...Bd3
- 2.Qd7#
- 1...Bc4
- 2.Qd7#
- 1...Bc6
- 2.Sxa6#
- 1...Bd7
- 2.Qxd7#
- 1...Be8
- 2.fxe8S#
- 1...Qb7
- Tries
- 1.Sxb5+?
- 1...Kb7
- 2.Qc6#
- 1...Qxb5+!
- 1...Kb7
- 1.Sxa6+?
- 1...Kc6
- 2.Rc8#
- 2.Qc8#
- 2.e8Q#
- 2.e8B#
- 1...Bxa6!
- 1...Kc6
- 1.Rxa7+?
- 1...Qb7
- 2.Rxb7#
- 2.Qc8#
- 1...Qxa7
- 2.Qc8#
- 1...Kxb8!
- 1...Qb7
- 1.Qc4+?
- 1...Bc6
- 2.Qxc6#
- 1...Bxc4!
- 1...Bc6
- 1.e8Q?
- 1...Qc8
- 2.Q6xc8#
- 2.Q8xc8#
- 1...Qb7
- 2.Sxb5#
- 1...Qa5
- 2.Q6c8#
- 2.Q8c8#
- 1...Bf1
- 2.Q6d7#
- 2.Q8d7#
- 2.Q6e7#
- 2.Q8e7#
- 1...Be2
- 2.Q6d7#
- 2.Q8d7#
- 2.Q6e7#
- 2.Q8e7#
- 1...Bd3
- 2.Q6d7#
- 2.Q8d7#
- 2.Q6e7#
- 2.Q8e7#
- 1...Bc4
- 2.Q6d7#
- 2.Q8d7#
- 2.Q6e7#
- 2.Q8e7#
- 1...Bc6
- 2.Sxa6#
- 1...Bd7
- 2.Q6xd7#
- 2.Q8xd7#
- 1...Bxe8!
- 1...Qc8
- 1.e8S+?
- 1...Kd8
- 2.Sxa6#
- 2.Sc6#
- 2.Qe7#
- 1...Bxe8!
- 1...Kd8
- 1.e8R?
- 1...Qc8
- 2.Rxc8#
- 2.Qxc8#
- 1...Qb7
- 2.Sxb5#
- 1...Qa5
- 2.Rc8#
- 2.Qc8#
- 1...Bf1
- 2.Qd7#
- 2.Qe7#
- 1...Be2
- 2.Qd7#
- 2.Qe7#
- 1...Bd3
- 2.Qd7#
- 2.Qe7#
- 1...Bc4
- 2.Qd7#
- 2.Qe7#
- 1...Bc6
- 2.Sxa6#
- 1...Bd7
- 2.Qxd7#
- 1...Bxe8!
- 1...Qc8
- 1.f8Q?
- threat
- 2.Qd8#
- 1...Qc8
- 2.Qexc8#
- 2.Qfxc8#
- 1...Be8!
- threat
- 1.f8S?
- 1...Qc8
- 2.Qxc8#
- 1...Qb7
- 2.Sxb5#
- 1...Qa5
- 2.Qc8#
- 1...Bf1
- 2.Qd7#
- 1...Be2
- 2.Qd7#
- 1...Bd3
- 2.Qd7#
- 1...Bc4
- 2.Qd7#
- 1...Bc6
- 2.Sxa6#
- 1...Bd7
- 2.Qxd7#
- 1...Be8!
- 1...Qc8
- 1.f8B?
- 1...Qc8
- 2.Qxc8#
- 1...Qb7
- 2.Sxb5#
- 1...Qa5
- 2.Qc8#
- 1...Bf1
- 2.Qd7#
- 1...Be2
- 2.Qd7#
- 1...Bd3
- 2.Qd7#
- 1...Bc4
- 2.Qd7#
- 1...Bc6
- 2.Sxa6#
- 1...Bd7
- 2.Qxd7#
- 1...Be8!
- 1...Qc8
- 1.f8R?
- 1...Qc8
- 2.Rxc8#
- 2.Qxc8#
- 1...Qb7
- 2.Sxb5#
- 1...Qa5
- 2.Rc8#
- 2.Qc8#
- 1...Bf1
- 2.Qd7#
- 1...Be2
- 2.Qd7#
- 1...Bd3
- 2.Qd7#
- 1...Bc4
- 2.Qd7#
- 1...Bc6
- 2.Sxa6#
- 1...Bd7
- 2.Qxd7#
- 1...Be8!
- 1...Qc8
- 1.Sxb5+?
- Keys
- 1.Qd5!
- 1...Qc8
- 2.Sxb5#
- 1...Qb7
- 2.Qxb7#
- 1...Qa5
- 2.Qb7#
- 1...Bf1
- 2.Qc6#
- 1...Be2
- 2.Qc6#
- 1...Bd3
- 2.Qc6#
- 1...Bc4
- 2.Qc6#
- 1...Bc6
- 2.Qxc6#
- 1...Bd7
- 2.Sxa6#
- 1...Be8
- 2.fxe8S#
- 1...Qc8
- 1.Qd5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 9
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(c);N_GUARD,SBLOCK::S(D),XB(b)
- Q(c);N_GUARD::QAR1(E),XQ(c)
- Q(c);N_GUARD::QAR1(E)
- B(b);N_GUARD::QAR1(E)
- B(b);N_GUARD,SBLOCK::S(J),XQ(c)
- B(b);N_GUARD::QAR1(E),XB(b)
- B(b);OGATE::PXB(b)=S
- Tries
- Try
- S(D);CHECK,XB(b)
- Vars
- K(f);P-FLIGHT::QAB1(E)
- Refutation
- Q(c);CHECK,XS(D)
- Try
- S(J);CHECK,XQ(c)
- Refutation
- B(b);XS(J)
- Try
- R(I);CHECK,XP(e)
- Vars
- Q(c);XR(I)::QAR1(E)
- Refutation
- K(f);S_FLIGHT,XS(J)
- Try
- Q(E);CHECK
- Vars
- B(b);N_GUARD,P_SPINB(b)::QAR1(E),XB(b)
- Refutation
- B(b);XQ(E)
- Try
- P(G);
- Vars
- Q(c);N_GUARD,SBLOCK::S(D),XB(b)
- B(b);N_GUARD::S(J),XQ(c)
- Refutation
- B(b);XQ(G)
- Try
- P(G);CHECK
- Refutation
- B(b);XS(G)
- Try
- P(G);
- Vars
- Q(c);N_GUARD,SBLOCK::S(D),XB(b)
- B(b);N_GUARD,SBLOCK::S(J),XQ(c)
- B(b);N_GUARD::QAR1(E),XB(b)
- Refutation
- B(b);XR(G)
- Try
- P(H);
- Threat
- QAB1(H)
- Refutation
- B(b);
- Try
- P(H);
- Vars
- Q(c);N_GUARD::QAR1(E),XQ(c)
- Q(c);N_GUARD,SBLOCK::S(D),XB(b)
- Q(c);N_GUARD::QAR1(E)
- B(b);N_GUARD::QAR1(E)
- B(b);N_GUARD,SBLOCK::S(J),XQ(c)
- B(b);N_GUARD::QAR1(E),XB(b)
- Refutation
- B(b);
- Try
- P(H);
- Vars
- Q(c);N_GUARD::QAR1(E),XQ(c)
- Q(c);N_GUARD,SBLOCK::S(D),XB(b)
- Q(c);N_GUARD::QAR1(E)
- B(b);N_GUARD::QAR1(E)
- B(b);N_GUARD,SBLOCK::S(J),XQ(c)
- B(b);N_GUARD::QAR1(E),XB(b)
- Refutation
- B(b);
- Try
- P(H);
- Vars
- Q(c);N_GUARD,SBLOCK::S(D),XB(b)
- B(b);N_GUARD::QAR1(E)
- B(b);N_GUARD,SBLOCK::S(J),XQ(c)
- B(b);N_GUARD::QAR1(E),XB(b)
- Refutation
- B(b);
- Try
- Actual
- Q(E);
- Vars
- Q(c);N_GUARD,SBLOCK::S(D),XB(b)
- Q(c);N_GUARD::QAR1(E),XQ(c)
- Q(c);N_GUARD::QAR1(E)
- B(b);N_GUARD::QAR1(E)
- B(b);N_GUARD::QAR1(E),XB(b)
- B(b);N_GUARD,SBLOCK::S(J),XQ(c)
- B(b);OGATE::PXB(b)=S
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).