MESON Chess Problem Database
Problem Display
PID: 64951 (nK2B2n/8/6N1/1R2Rp1r/2k4r/Q4p1b/2N4b/1q6 w - - 0 1)
Munck, Laurits Andreas
Good Companions (August), 1921
#2
7 + 10
| 3132 | The Good Companion Two-Mover | 1922 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Rb4#
- 2.Rc5#
- 1...Qxc2
- 2.Rb4#
- 1...Qa1
- 2.Rb4#
- 2.Rc5#
- 2.Qb3#
- 1...Qc1
- 2.Rb4#
- 2.Rc5#
- 2.Qb3#
- 1...Qd1
- 2.Rb4#
- 2.Rc5#
- 2.Qb3#
- 1...Qe1
- 2.Rc5#
- 2.Qb3#
- 1...Qf1
- 2.Rb4#
- 2.Rc5#
- 2.Qb3#
- 1...Qg1
- 2.Rb4#
- 2.Qb3#
- 1...Qh1
- 2.Rb4#
- 2.Rc5#
- 2.Qb3#
- 1...Qb3
- 2.Qxb3#
- 1...Qb4
- 2.Rxb4#
- 1...Qxb5+
- 2.Bxb5#
- 1...Rd4
- 2.Se3#
- 1...Rf4
- 2.Rc5#
- 1...Bxe5+
- 2.Sxe5#
- 1...Sb6
- 2.Rc5#
- 1...Sc7
- 2.Rc5#
- 1...Sxg6
- 2.Bf7#
- 1...Sf7
- 2.Bxf7#
- 1...f4
- 2.Re4#
- 1...Qa2
- Tries
- 1.Kxa8?
- threat
- 2.Rbc5#
- 2.Rec5#
- 1...Qxc2
- 2.Rb4#
- 1...Qxb5
- 2.Bxb5#
- 1...Bxe5
- 2.Sxe5#
- 2.Rc5#
- 1...Qb3
- 2.Qxb3#
- 1...Qg1
- 2.Rb4#
- 2.Qb3#
- 1...Qb4
- 2.Rxb4#
- 1...f4
- 2.Rbc5#
- 2.Re4#
- 1...Bg1!
- threat
- 1.Sf4?
- threat
- 2.Rc5#
- 2.Qc5#
- 2.Qd3#
- 1...Qxb5+
- 2.Bxb5#
- 1...Qxc2
- 2.Rb4#
- 2.Qb4#
- 2.Qc5#
- 1...Rxf4
- 2.Rc5#
- 1...Qb3
- 2.Rc5#
- 2.Qc5#
- 2.Qxb3#
- 1...Bg1
- 2.Qd3#
- 1...Qd1
- 2.Rb4#
- 2.Rbc5#
- 2.Rec5#
- 2.Qb4#
- 2.Qc5#
- 2.Qb3#
- 1...Qf1
- 2.Rb4#
- 2.Rbc5#
- 2.Rec5#
- 2.Qb4#
- 2.Qc5#
- 2.Qb3#
- 1...Qg1
- 2.Rb4#
- 2.Qb4#
- 2.Qb3#
- 2.Qd3#
- 1...Qb4
- 2.Rxb4#
- 2.Qxb4#
- 2.Qd3#
- 1...Bf1
- 2.Rc5#
- 2.Qc5#
- 1...Bxf4!
- threat
- 1.Rxb1?
- threat
- 2.Bb5#
- 2.Rb4#
- 2.Qb3#
- 1...Sc7
- 2.Rb4#
- 2.Rc5#
- 2.Qb3#
- 1...Bxe5+!
- threat
- 1.Kxa8?
- Keys
- 1.Bd7!
- threat
- 2.Be6#
- 1...Qxb5+
- 2.Bxb5#
- 1...Bxe5+
- 2.Sxe5#
- 1...Qxc2
- 2.Rb4#
- 1...Qb3
- 2.Qxb3#
- 1...Qd1
- 2.Rb4#
- 2.Rc5#
- 2.Qb3#
- 1...Rd4
- 2.Se3#
- 1...Sb6
- 2.Rc5#
- 1...Sc7
- 2.Rc5#
- 1...f4
- 2.Re4#
- threat
- 1.Bd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- Q(a);N_GUARD,N_PINR(C),P_PINR(D),XS(A)::R1(C)
- Q(a);N_GUARD::QAB1(B),XQ(a)
- Q(a);N_GUARD::R1(C),XQ(a)
- Q(a);CHECK,OGATE,P_PINR(D),XR(C)::B(G),XQ(a)
- R(f);SBLOCK::S(A)
- R(f);OGATE::R1(D)
- B(b);CHECK,XR(D)::S(E),XB(b)
- S(i);N_PINR(C),P_PINR(D)::R1(C)
- S(i);OGATE::R1(D)
- S(j);N_GUARD,XS(E)::B(G)
- S(j);N_GUARD::B(G),XS(j)
- P(g);OGATE::R(D)
- Tries
- Try
- K(F);N_SPINR(C),P-FLIGHT,XS(i)
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XS(A)::R1(C)
- Q(a);OGATE,XR(C)::B(G),XQ(a)
- Q(a);N_GUARD::QAB1(B),XQ(a)
- Q(a);N_GUARD::R1(C),XQ(a)
- Refutation
- B(b);
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- Q(a);CHECK,OGATE,XR(C)::B(G),XQ(a)
- R(f);XS(E)::R1(D)
- B(b);::QAB1(B)
- Refutation
- B(b);XS(E)
- Try
- R(C);N_SPINR(C),P_SPINR(D),XQ(a)
- Threat
- DUALS(3)
- Refutation
- B(b);CHECK,XR(D)
- Try
- Actual
- B(G);
- Threat
- B(G)
- Vars
- Q(a);CHECK,OGATE,P_PINR(D),XR(C)::B(G),XQ(a)
- B(b);CHECK,XR(D)::S(E),XB(b)
- Q(a);N_GUARD,N_PINR(C),P_PINR(D),XS(A)::R1(C)
- Q(a);N_GUARD::QAB1(B),XQ(a)
- R(f);SBLOCK::S(A)
- S(i);N_PINR(C),P_PINR(D)::R1(C)
- S(i);OGATE::R1(D)
- P(g);OGATE::R(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).