MESON Chess Problem Database
Problem Display
PID: 6359 (4n3/Qp5R/2pp4/1N1kp1N1/2p5/4B3/4PP2/RK1n2b1 w - - 0 1)
Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)
Sp. Prize, Zadachi i Etyudi, 1928
#2
9 + 9
| 14868 | Pirnie Collection | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Sc3#
- 1...Sxf2
- 2.Sc3#
- 1...Sc3+
- 2.Sxc3#
- 1...Sxe3
- 2.Sc3#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...c3
- 2.Qa2#
- 1...e4
- 2.Qd4#
- 1...cxb5
- 2.Qxb7#
- 1...c5
- 2.Qxb7#
- 1...b6
- 2.Qf7#
- 1...Sb2
- Tries
- 1.Ka2?
- threat
- 2.Rxd1#
- 1...Sc3+
- 2.Sxc3#
- 1...Sxf2
- 2.Sc3#
- 1...Sxe3
- 2.Sc3#
- 1...cxb5
- 2.Qxb7#
- 1...e4
- 2.Qd4#
- 1...c5
- 2.Qxb7#
- 1...Sb2
- 2.Sc3#
- 1...c3!
- threat
- 1.Kc2?
- threat
- 2.Rxd1#
- 1...Sxf2
- 2.Sc3#
- 1...cxb5
- 2.Qxb7#
- 1...c3
- 2.Qa2#
- 1...e4
- 2.Qd4#
- 1...c5
- 2.Qxb7#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sxe3+!
- threat
- 1.Bb6?
- threat
- 2.e4#
- 1...Sc3+
- 2.Sxc3#
- 1...Sxf2
- 2.Sc3#
- 1...cxb5
- 2.Qxb7#
- 1...c3
- 2.Qa2#
- 1...c5
- 2.Qxb7#
- 1...Se3
- 2.Sc3#
- 1...Sf6
- 2.Sc7#
- 1...e4!
- threat
- 1.Ra2?
- threat
- 2.Rd2#
- 1...Sc3+
- 2.Sxc3#
- 1...Sxf2
- 2.Sc3#
- 1...cxb5
- 2.Qxb7#
- 1...e4
- 2.Qd4#
- 1...c5
- 2.Qxb7#
- 1...Sb2
- 2.Sc3#
- 1...c3!
- threat
- 1.Ra5?
- threat
- 2.Sc3#
- 2.Sc7#
- 1...Sc3+
- 2.Sxc3#
- 1...cxb5
- 2.Qxb7#
- 1...c5
- 2.Qxb7#
- 1...Sc7
- 2.Sc3#
- 2.Sxc7#
- 1...c3!
- threat
- 1.Rd7?
- threat
- 2.Qc5#
- 1...Sc3+
- 2.Sxc3#
- 1...Sxe3
- 2.Sc3#
- 1...c5
- 2.Qxc5#
- 2.Qxb7#
- 1...b6!
- threat
- 1.Ka2?
- Keys
- 1.Rh1!
- 1...Sc3+
- 2.Sxc3#
- 1...Bxf2
- 2.Rxd1#
- 1...Sxf2
- 2.Sc3#
- 1...Sxe3
- 2.Sc3#
- 1...cxb5
- 2.Qxb7#
- 1...c3
- 2.Qa2#
- 1...e4
- 2.Qd4#
- 1...c5
- 2.Qxb7#
- 1...Bh2
- 2.Rxd1#
- 1...Sb2
- 2.Sc3#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...b6
- 2.Qf7#
- 1...Sc3+
- 1.Rh1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::S(F)
- S(a);N_GUARD,XP(D)::S(F)
- S(a);CHECK,N_GUARD::S(F),XS(a)
- S(a);N_GUARD,XB(E)::S(F)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(c);OGATEB::QAB(H)
- P(e);N_GUARD::QAR1(H)
- P(f);OGATEB,XS(F)::QAB(H),XP(h)
- P(f);OGATEB::QAB(H),XP(h)
- P(h);OGATE::QAB(H)
- Tries
- Try
- K(B);S_FLIGHT
- Threat
- R(A),XS(a)
- Vars
- S(a);CHECK,N_GUARD::S(F),XS(a)
- S(a);N_GUARD,XP(D)::S(F)
- S(a);N_GUARD,XB(E)::S(F)
- P(f);OGATEB,XS(F)::QAB(H),XP(h)
- P(e);N_GUARD::QAR1(H)
- P(f);OGATEB::QAB(H),XP(h)
- S(a);N_GUARD::S(F)
- Refutation
- P(c);
- Try
- K(B);S_FLIGHT
- Threat
- R(A),XS(a)
- Vars
- S(a);N_GUARD,XP(D)::S(F)
- P(f);OGATEB,XS(F)::QAB(H),XP(h)
- P(c);OGATEB::QAB(H)
- P(e);N_GUARD::QAR1(H)
- P(f);OGATEB::QAB(H),XP(h)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- Refutation
- S(a);CHECK,XB(E)
- Try
- B(E);
- Threat
- P(C)
- Vars
- S(a);CHECK,N_GUARD::S(F),XS(a)
- S(a);N_GUARD,XP(D)::S(F)
- P(f);OGATEB,XS(F)::QAB(H),XP(h)
- P(c);OGATEB::QAB(H)
- P(f);OGATEB::QAB(H),XP(h)
- S(a);N_GUARD::S(F)
- S(i);N_GUARD::S(F)
- Refutation
- P(e);
- Try
- R(A);
- Threat
- R(A)
- Vars
- S(a);CHECK,N_GUARD::S(F),XS(a)
- S(a);N_GUARD,XP(D)::S(F)
- P(f);OGATEB,XS(F)::QAB(H),XP(h)
- P(e);N_GUARD::QAR1(H)
- P(f);OGATEB::QAB(H),XP(h)
- S(a);N_GUARD::S(F)
- Refutation
- P(c);
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- S(a);CHECK::R(A)+S(F),DCHECK,XS(a)
- P(f);OGATEB,P_SPINP(f),XS(F)::QAB(H),XP(h)
- P(f);OGATEB::QAB(H),XP(h)
- Refutation
- P(c);
- Try
- R(I);P_PINP(g)
- Threat
- QAR1(H)
- Vars
- S(a);CHECK,N_GUARD::S(F),XS(a)
- S(a);N_GUARD,XB(E)::S(F)
- Refutation
- P(h);
- Try
- Actual
- R(I);
- Vars
- S(a);CHECK,N_GUARD::S(F),XS(a)
- B(b);OGATE,XP(D)::R(I),XS(a)
- S(a);N_GUARD,XP(D)::S(F)
- S(a);N_GUARD,XB(E)::S(F)
- P(f);OGATEB,XS(F)::QAB(H),XP(h)
- P(c);OGATEB::QAB(H)
- P(e);N_GUARD::QAR1(H)
- P(f);OGATEB::QAB(H),XP(h)
- B(b);OGATE::R(I),XS(a)
- S(a);N_GUARD::S(F)
- S(i);N_GUARD::S(F)
- S(i);N_GUARD::S(F),XS(i)
- P(h);OGATE::QAB(H)
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).