MESON Chess Problem Database
Problem Display
PID: 117097 (8/3p4/8/5R1K/r1p1p3/n1R1BBkp/Q2P1N1p/1q6 w - - 0 1)
Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)
Vecherni Leningrad, 1981
#2
8 + 9
| 6490 | yacpdb | 2009 |
| 5454 | Near Snap | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qxa2
- 2.Sh1#
- 2.Sxe4#
- 1...Qc2
- 2.Sh1#
- 1...Qd3
- 2.Sh1#
- 1...Qa1
- 2.Sxe4#
- 1...Qc1
- 2.Sxe4#
- 1...Qd1
- 2.Sxe4#
- 1...Qe1
- 2.Sxe4#
- 1...Qf1
- 2.Sxe4#
- 1...Qg1
- 2.Sxe4#
- 1...Qh1
- 2.Sxh1#
- 2.Sxe4#
- 1...Qb2
- 2.Sh1#
- 2.Sxe4#
- 1...Qb3
- 2.Sh1#
- 2.Sxe4#
- 1...Qb4
- 2.Sh1#
- 2.Sxe4#
- 1...Qb5
- 2.Sh1#
- 2.Sxe4#
- 1...Qb6
- 2.Sh1#
- 2.Sxe4#
- 1...Qb7
- 2.Sh1#
- 1...Qb8
- 2.Sh1#
- 2.Sxe4#
- 1...Sc2
- 2.Sxe4#
- 1...exf3
- 2.Rg5#
- 1...Qxa2
- Tries
- 1.Sd1?
- threat
- 2.Bf2#
- 2.Bf4#
- 1...exf3
- 2.Rg5#
- 1...h1Q
- 2.Bf4#
- 1...h1S
- 2.Bf4#
- 1...h1B
- 2.Bf4#
- 1...h1R
- 2.Bf4#
- 1...Qd3
- 2.Bf2#
- 1...Qb6
- 2.Bf4#
- 1...Qb8
- 2.Bf2#
- 1...Qxd1!
- threat
- 1.Sg4?
- threat
- 2.Bf2#
- 2.Bf4#
- 1...h1S
- 2.Bf4#
- 1...Qd3
- 2.Bf2#
- 1...Qe1
- 2.Bf4#
- 1...Qf1
- 2.Bf4#
- 1...Qg1
- 2.Bf4#
- 1...Qb6
- 2.Bf4#
- 1...Qb8
- 2.Bf2#
- 1...exf3!
- threat
- 1.d3?
- threat
- 2.Sxe4#
- 1...Qxd3
- 2.Sh1#
- 1...cxd3
- 2.Qg8#
- 1...exd3
- 2.Se4#
- 1...exf3
- 2.Se4#
- 2.Rg5#
- 1...Qb7
- 2.Sh1#
- 1...d5!
- threat
- 1.Sd1?
- Keys
- 1.d4!
- threat
- 2.Bf4#
- 1...Qxa2
- 2.Sh1#
- 2.Sxe4#
- 1...exf3
- 2.Rg5#
- 1...cxd4 ep
- 2.Qg8#
- 1...exd4 ep
- 2.Se4#
- 1...Qc2
- 2.Sh1#
- 1...Qd3
- 2.Sh1#
- 1...Qc1
- 2.Sxe4#
- 1...Qb2
- 2.Sh1#
- 2.Sxe4#
- 1...Qb8
- 2.Sh1#
- 2.Sxe4#
- 1...Sc2
- 2.Sxe4#
- threat
- 1.d4!
Anticipated by 96832(1945)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- Q(a);N_GUARD::S(C)
- Q(a);N_GUARD::S(C),XP(h)
- Q(a);N_GUARD,P_PINB(F)::S(C),XP(h)
- S(c);S_CUTQ(a)::S(C),XP(h)
- P(h);SBLOCK,XB(F)::R(G)
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- P(h);SBLOCK,XB(F)::R(G)
- P(b);::B(E)
- Q(a);::B(E)
- Refutation
- Q(a);P_PINB(F),XS(C)
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- P(b);::B(E)
- Q(a);::B(E)
- Refutation
- P(h);XB(F)
- Try
- P(B);
- Threat
- S(C),XP(h)
- Vars
- Q(a);N_GUARD,XP(B)::S(C)
- P(g);OGATE,XP(B)::QAR(A)
- P(h);XP(B)::S(C)
- Q(a);N_GUARD::S(C)
- Refutation
- P(i);
- Try
- Actual
- P(B);
- Threat
- B(E)
- Vars
- P(h);SBLOCK,XB(F)::R(G)
- P(g);EP,OGATE,XP(B)::QAR(A)
- P(h);EP,S_CUTQ(a),XP(B)::S(C)
- Q(a);N_GUARD::S(C)
- Q(a);N_GUARD::S(C),XP(h)
- S(c);S_CUTQ(a)::S(C),XP(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).