MESON Chess Problem Database
Problem Display
PID: 65055 (2Kb4/2n5/8/2p1Q3/BB2N3/rr6/p1p1NR2/3k4 w - - 0 1)
Promislo, Charles
Good Companions (August), 1921
#2
7 + 8
| 3132 | The Good Companion Two-Mover | 1922 |
SOLUTION
- SOUND
- Sets
- 1...Rd3
- 2.Qa1#
- 1...Re3
- 2.Qa1#
- 1...Rf3
- 2.Qa1#
- 1...Rg3
- 2.Qa1#
- 1...Rh3
- 2.Qa1#
- 1...Rd3
- Tries
- 1.Sg1?
- threat
- 2.Rf1#
- 1...Kc1
- 2.Rf1#
- 1...c1Q
- 2.Qh5#
- 1...c1S
- 2.Sc3#
- 1...c1B
- 2.Sc3#
- 2.Qh5#
- 1...c1R
- 2.Qh5#
- 1...Re3
- 2.Qa1#
- 1...Rf3
- 2.Qa1#
- 1...Bh4!
- threat
- 1.Sf4?
- threat
- 2.Rf1#
- 1...Kc1
- 2.Rf1#
- 1...c1Q
- 2.Qh5#
- 1...c1S
- 2.Sc3#
- 1...c1B
- 2.Sc3#
- 2.Qh5#
- 1...c1R
- 2.Qh5#
- 1...Re3
- 2.Qa1#
- 1...Rf3
- 2.Qa1#
- 1...Bh4!
- threat
- 1.Qa1+?
- 1...c1Q
- 2.Qxc1#
- 1...c1S
- 2.Qxc1#
- 1...c1B
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Rb1!
- 1...c1Q
- 1.Qc3?
- threat
- 2.Qe1#
- 2.Qd2#
- 1...Rxb4
- 2.Bxc2#
- 2.Qd2#
- 1...cxb4
- 2.Qd2#
- 1...c1Q
- 2.Qxc1#
- 1...c1S
- 2.Qd2#
- 2.Qxc1#
- 1...c1B
- 2.Qxc1#
- 1...c1R
- 2.Qd2#
- 2.Qxc1#
- 2.Qd3#
- 1...Bg5
- 2.Qe1#
- 1...Rxc3!
- threat
- 1.Qd4+?
- 1...Rd3
- 2.Qa1#
- 1...cxd4!
- 1...Rd3
- 1.Qg5?
- threat
- 2.Qc1#
- 2.Qd2#
- 2.Qg1#
- 1...c1Q
- 2.Qxc1#
- 1...c1S
- 2.Qxc1#
- 2.Qd2#
- 1...c1B
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 2.Qd2#
- 1...a1Q
- 2.Qd2#
- 2.Qg1#
- 1...a1R
- 2.Qd2#
- 2.Qg1#
- 1...Re3
- 2.Qg1#
- 1...Rb1
- 2.Qd2#
- 2.Qg1#
- 1...Rd3
- 2.Qc1#
- 2.Qg1#
- 1...Rg3
- 2.Qc1#
- 2.Qd2#
- 1...Bxg5!
- threat
- 1.Sg1?
- Keys
- 1.S2g3!
- threat
- 2.Rf1#
- 1...Kc1
- 2.Rf1#
- 1...Rxg3
- 2.Qa1#
- 1...c1Q
- 2.Qh5#
- 1...c1S
- 2.Sc3#
- 1...c1B
- 2.Sc3#
- 2.Qh5#
- 1...c1R
- 2.Qh5#
- 1...Re3
- 2.Qa1#
- 1...Rf3
- 2.Qa1#
- threat
- 1.S2g3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- R(e);N_GUARD,P_SPINP(c)::QAR(F)
- Tries
- Try
- S(A);
- Threat
- R(B)
- Vars
- K(a);P-FLIGHT::R(B)
- P(c);P_SPINR(e),SBLOCK::QAB(F)
- P(c);P_SPINR(e),SBLOCK::S(E)
- R(e);N_GUARD,P_SPINP(c)::QAR(F)
- Refutation
- B(h);
- Try
- S(A);
- Threat
- R(B)
- Vars
- K(a);P-FLIGHT::R(B)
- P(c);P_SPINR(e),SBLOCK::QAB(F)
- P(c);P_SPINR(e),SBLOCK::S(E)
- R(e);N_GUARD,P_SPINP(c)::QAR(F)
- Refutation
- B(h);
- Try
- Q(F);CHECK
- Vars
- P(c);P_SPINQ(c),P_SPINR(e)::QAR1(F),XQ(c)
- P(c);P_SPINR(e),P_SPINS(c)::QAR1(F),XS(c)
- P(c);P_SPINB(c),P_SPINR(e)::QAR1(F),XB(c)
- P(c);P_SPINR(c)::QAR1(F),XR(c)
- Refutation
- R(e);P_SPINP(c),P_SPINR(e)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- P(f);XB(D)::QAR1(F)
- P(c);OGATE,P_SPINR(e)::QAR1(F),XQ(c)
- P(c);OGATE,P_SPINR(e)::QAR1(F),XB(c)
- B(h);::QAR1(F)
- Refutation
- R(e);P_SPINP(c),XQ(F)
- Try
- Q(F);CHECK
- Vars
- R(e);N_GUARD,P_SPINP(c),P_SPINR(e)::QAR(F)
- Refutation
- P(f);XQ(F)
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- P(c);P_SPINR(e)::QAR1(F),XQ(c)
- P(c);P_SPINR(e)::QAR1(F),XB(c)
- R(e);P_SPINP(c)::QAR(F)
- Refutation
- B(h);XQ(F)
- Try
- Actual
- S(A);
- Threat
- R(B)
- Vars
- K(a);P-FLIGHT::R(B)
- R(e);N_GUARD,P_SPINP(c),XS(A)::QAR(F)
- P(c);P_SPINR(e),SBLOCK::QAB(F)
- P(c);P_SPINR(e),SBLOCK::S(E)
- R(e);N_GUARD,P_SPINP(c)::QAR(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).