MESON Chess Problem Database
Problem Display
PID: 152504 (5rq1/5pbb/3p4/1npQ4/2K2P2/p4pp1/RB1Pk1Br/3N1R2 w - - 0 1)
Windle, REL
Good Companions (December), 1915
#2
9 + 13
| 2658 | Good Companions (Solving Ty.) | 1915 |
SOLUTION
- SOUND
- Sets
- 1...Bd3+
- 2.Qxd3#
- 1...Bd3+
- Tries
- 1.Bc3?
- threat
- 2.Qxf3#
- 2.d3#
- 1...Bd3+
- 2.Qxd3#
- 1...Rxg2
- 2.Qxf3#
- 1...Bxc3
- 2.Qxf3#
- 1...Sxc3
- 2.Qxf3#
- 1...fxg2
- 2.Qf3#
- 1...Bb1
- 2.Qxf3#
- 1...Bc2
- 2.Qxf3#
- 1...Be4
- 2.Qxe4#
- 2.d3#
- 1...f2
- 2.Qf3#
- 2.d3#
- 1...f5
- 2.d3#
- 2.d4#
- 1...f6
- 2.d3#
- 1...Sd4!
- threat
- 1.Be5?
- threat
- 2.Qxf3#
- 2.d3#
- 1...Bd3+
- 2.Qxd3#
- 1...Rxg2
- 2.Qxf3#
- 1...Bxe5
- 2.Qxf3#
- 1...fxg2
- 2.Qf3#
- 1...Bb1
- 2.Qxf3#
- 1...Be4
- 2.Qxe4#
- 2.d3#
- 1...Sc3
- 2.Sxc3#
- 2.Qxf3#
- 1...Sd4
- 2.Sc3#
- 1...f2
- 2.Qf3#
- 2.d3#
- 1...f5
- 2.d3#
- 2.d4#
- 1...f6
- 2.d3#
- 1...Bc2!
- threat
- 1.Bf6?
- threat
- 2.Qxf3#
- 2.d3#
- 1...Bd3+
- 2.Qxd3#
- 1...Rxg2
- 2.Qxf3#
- 1...Bxf6
- 2.Qxf3#
- 1...fxg2
- 2.Qf3#
- 1...Bb1
- 2.Qxf3#
- 1...Be4
- 2.Qxe4#
- 2.d3#
- 1...Sc3
- 2.Sxc3#
- 2.Qxf3#
- 1...Sd4
- 2.Sc3#
- 1...f2
- 2.Qf3#
- 2.d3#
- 1...Bc2!
- threat
- 1.Bxg7?
- threat
- 2.Qxf3#
- 2.d3#
- 1...Bd3+
- 2.Qxd3#
- 1...Qxg7
- 2.Qxf3#
- 1...Rxg2
- 2.Qxf3#
- 1...fxg2
- 2.Qf3#
- 1...Bb1
- 2.Qxf3#
- 1...Be4
- 2.Qxe4#
- 2.d3#
- 1...Sc3
- 2.Sxc3#
- 2.Qxf3#
- 1...Sd4
- 2.Sc3#
- 1...f2
- 2.Qf3#
- 2.d3#
- 1...f5
- 2.d3#
- 2.d4#
- 1...f6
- 2.d3#
- 1...Bc2!
- threat
- 1.Bc3?
- Keys
- 1.Bc1!
- threat
- 2.Qxf3#
- 1...Bd3+
- 2.Qxd3#
- 1...fxg2
- 2.Qf3#
- 1...Be4
- 2.Qxe4#
- 1...Sd4
- 2.Sc3#
- 1...f2
- 2.Qf3#
- 1...f5
- 2.d4#
- 1...f6
- 2.d3#
- threat
- 1.Bc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- B(k);CHECK,N_GUARD::QAB1(I),XB(k)
- Tries
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- B(k);CHECK,N_GUARD::QAB1(I),XB(k)
- R(b);XB(F)::QAB1(I),XP(d)
- B(j);XB(D)::QAB1(I),XP(d)
- S(f);XB(D)::QAB1(I),XP(d)
- P(d);XB(F)::QAB1(I)
- B(k);::QAB1(I),XP(d)
- P(i);P_PINQ(I)::R(C)+P(E)
- Refutation
- S(f);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- B(k);CHECK,N_GUARD::QAB1(I),XB(k)
- R(b);XB(F)::QAB1(I),XP(d)
- B(j);XB(D)::QAB1(I),XP(d)
- P(d);XB(F)::QAB1(I)
- B(k);::QAB1(I),XP(d)
- S(f);N_GUARD::S(A)
- P(i);P_PINQ(I)::R(C)+P(E)
- Refutation
- B(k);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- B(k);CHECK,N_GUARD::QAB1(I),XB(k)
- R(b);XB(F)::QAB1(I),XP(d)
- B(j);XB(D)::QAB1(I),XP(d)
- P(d);XB(F)::QAB1(I)
- B(k);::QAB1(I),XP(d)
- S(f);N_GUARD::S(A)
- Refutation
- B(k);
- Try
- B(D);XB(j)
- Threat
- DUALS(2)
- Vars
- B(k);CHECK,N_GUARD::QAB1(I),XB(k)
- Q(m);XB(D)::QAB1(I),XP(d)
- R(b);XB(F)::QAB1(I),XP(d)
- P(d);XB(F)::QAB1(I)
- B(k);::QAB1(I),XP(d)
- S(f);N_GUARD::S(A)
- P(i);P_PINQ(I)::R(C)+P(E)
- Refutation
- B(k);
- Try
- Actual
- B(D);
- Threat
- QAB1(I),XP(d)
- Vars
- B(k);CHECK,N_GUARD::QAB1(I),XB(k)
- P(d);XB(F)::QAB1(I)
- B(k);N_GUARD::QAR2(I),XB(k)
- S(f);N_GUARD,S_CUTB(j)::S(A)
- P(d);::QAB1(I)
- P(i);P_PINQ(I),S_CUTB(k)::R(C)+P(E)
- P(i);P_PINQ(I),S_CUTB(j)::R(C)+P(E)
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).