MESON Chess Problem Database
Problem Display
PID: 106866 (5b1Q/1p2pP2/1p2n1N1/pP1kP3/8/1P2PPB1/N4nBK/2R5 w - - 0 1)
Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)
Western Morning News, 1928
#2
13 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...Sd1
- 2.f4#
- 1...Sh1
- 2.f4#
- 1...Sd3
- 2.f4#
- 1...Sh3
- 2.f4#
- 1...Se4
- 2.fxe4#
- 1...Sg4+
- 2.fxg4#
- 1...Sd4
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sc5
- 2.Sf4#
- 1...Sg5
- 2.Sf4#
- 1...Sc7
- 2.Sf4#
- 1...Sd8
- 2.Sf4#
- 1...a4
- 2.Sb4#
- 1...Bh6
- Tries
- 1.Bxf2?
- threat
- 2.e4#
- 2.f4#
- 1...Sd4
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sc5
- 2.Sf4#
- 1...Sg5
- 2.Sf4#
- 1...Sc7
- 2.Sf4#
- 1...Sd8
- 2.Sf4#
- 1...Sg7!
- threat
- 1.Rc2?
- 1...Sg4+
- 2.fxg4#
- 1...Sd4
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sc5
- 2.Sf4#
- 1...Sg5
- 2.Sf4#
- 1...Sc7
- 2.Sf4#
- 1...Sd8
- 2.Sf4#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...Sd1
- 2.f4#
- 1...Sh1
- 2.f4#
- 1...Sd3
- 2.f4#
- 1...Sh3
- 2.f4#
- 1...Se4
- 2.fxe4#
- 1...a4
- 2.Sb4#
- 1...Sg7!
- 1...Sg4+
- 1.Rc3?
- 1...Sg4+
- 2.fxg4#
- 1...Sd4
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sc5
- 2.Sf4#
- 1...Sg5
- 2.Sf4#
- 1...Sc7
- 2.Sf4#
- 1...Sd8
- 2.Sf4#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...Sd1
- 2.f4#
- 1...Sh1
- 2.f4#
- 1...Sd3
- 2.f4#
- 1...Sh3
- 2.f4#
- 1...Se4
- 2.fxe4#
- 1...a4
- 2.Sb4#
- 1...Sg7!
- 1...Sg4+
- 1.Rc4?
- threat
- 2.Sc3#
- 1...Sg4+
- 2.fxg4#
- 1...Sd4
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sc5
- 2.Sf4#
- 1...Sg5
- 2.Sf4#
- 1...Sc7
- 2.Sf4#
- 1...Sd8
- 2.Sf4#
- 1...Sd1
- 2.e4#
- 2.f4#
- 1...Se4
- 2.fxe4#
- 1...Sg7!
- threat
- 1.Rc5+?
- 1...Sxc5
- 2.Sf4#
- 1...bxc5
- 2.Sc3#
- 1...Kxc5!
- 1...Sxc5
- 1.Rc6?
- threat
- 2.Sc3#
- 1...Sg4+
- 2.fxg4#
- 1...Sd1
- 2.f4#
- 1...Se4
- 2.fxe4#
- 1...bxc6!
- threat
- 1.Qf6?
- 1...Sg4+
- 2.fxg4#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...Sd1
- 2.f4#
- 1...Sh1
- 2.f4#
- 1...Sd3
- 2.f4#
- 1...Sh3
- 2.f4#
- 1...Se4
- 2.fxe4#
- 1...Sd4
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sc5
- 2.Sc3#
- 2.Sf4#
- 1...Sg5
- 2.Sf4#
- 1...Sc7
- 2.Sf4#
- 1...Sg7
- 2.Sf4#
- 1...Sd8
- 2.Sf4#
- 1...a4
- 2.Sb4#
- 1...exf6!
- 1...Sg4+
- 1.Qg7?
- 1...Sg4+
- 2.fxg4#
- 1...Bxg7
- 2.Sxe7#
- 1...Sd4
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sc5
- 2.Sf4#
- 1...Sg5
- 2.Sf4#
- 1...Sc7
- 2.Sf4#
- 1...Sd8
- 2.Sf4#
- 1...Sd1
- 2.f4#
- 1...Sh1
- 2.f4#
- 1...Sd3
- 2.f4#
- 1...Sh3
- 2.f4#
- 1...Se4
- 2.fxe4#
- 1...a4
- 2.Sb4#
- 1...Sxg7!
- 1...Sg4+
- 1.Qh5?
- 1...Sg4+
- 2.fxg4#
- 1...Sd4
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sc5
- 2.Sf4#
- 1...Sc7
- 2.Sf4#
- 1...Sg7
- 2.Sf4#
- 1...Sd8
- 2.Sf4#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...Sd1
- 2.f4#
- 1...Sh1
- 2.f4#
- 1...Sd3
- 2.f4#
- 1...Sh3
- 2.f4#
- 1...Se4
- 2.fxe4#
- 1...a4
- 2.Sb4#
- 1...Sg5!
- 1...Sg4+
- 1.Bxf2?
- Keys
- 1.Qh3!
- 1...Sg4+
- 2.fxg4#
- 1...Sxh3
- 2.f4#
- 1...Bh6
- 2.Sxe7#
- 1...Bg7
- 2.Sxe7#
- 1...Sd1
- 2.f4#
- 1...Sh1
- 2.f4#
- 1...Sd3
- 2.f4#
- 1...Se4
- 2.fxe4#
- 1...Sd4
- 2.Qd7#
- 1...Sf4
- 2.Qd7#
- 1...Sc5
- 2.Sc3#
- 1...Sg5
- 2.Qd7#
- 1...Sc7
- 2.Qd7#
- 1...Sg7
- 2.Qd7#
- 1...Sd8
- 2.Qd7#
- 1...a4
- 2.Sb4#
- 1...Sg4+
- 1.Qh3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 6
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(h);N_GUARD::S(K),XP(g)
- S(a);N_GUARD::B(C)+P(G)
- S(a);OGATE::P(G),XS(a)
- S(a);CHECK,OGATE::B(C)+P(G),XS(a)
- S(e);N_GUARD::S(K)
- S(e);N_GUARD::S(K),XS(e)
- P(b);N_GUARD::S(B)
- Tries
- Try
- B(H);XS(a)
- Threat
- DUALS(2)
- Vars
- S(e);N_GUARD::S(K)
- S(e);N_GUARD::S(K),XS(e)
- Refutation
- S(e);
- Try
- R(A);
- Vars
- S(a);CHECK,OGATE::B(C)+P(G),XS(a)
- S(e);N_GUARD::S(K)
- S(e);N_GUARD::S(K),XS(e)
- B(h);N_GUARD::S(K),XP(g)
- S(a);N_GUARD::B(C)+P(G)
- S(a);OGATE::P(G),XS(a)
- P(b);N_GUARD::S(B)
- Refutation
- S(e);
- Try
- R(A);
- Vars
- S(a);CHECK,OGATE::B(C)+P(G),XS(a)
- S(e);N_GUARD::S(K)
- S(e);N_GUARD::S(K),XS(e)
- B(h);N_GUARD::S(K),XP(g)
- S(a);N_GUARD::B(C)+P(G)
- S(a);OGATE::P(G),XS(a)
- P(b);N_GUARD::S(B)
- Refutation
- S(e);
- Try
- R(A);
- Threat
- S(B)
- Vars
- S(a);CHECK,OGATE::B(C)+P(G),XS(a)
- S(e);N_GUARD::S(K)
- S(e);N_GUARD::S(K),XS(e)
- S(a);OGATE::P(G),XS(a)
- Refutation
- S(e);
- Try
- R(A);CHECK
- Vars
- S(e);SBLOCK,XR(A)::S(K)
- P(d);SBLOCK,XR(A)::S(B)
- Refutation
- K(c);P-FLIGHT,XR(A)
- Try
- R(A);
- Threat
- S(B)
- Vars
- S(a);CHECK,OGATE::B(C)+P(G),XS(a)
- S(a);N_GUARD::B(C)+P(G)
- S(a);OGATE::P(G),XS(a)
- Refutation
- P(f);XR(A)
- Try
- Q(M);
- Vars
- S(a);CHECK,OGATE::B(C)+P(G),XS(a)
- B(h);N_GUARD::S(K),XP(g)
- S(a);N_GUARD::B(C)+P(G)
- S(a);OGATE::P(G),XS(a)
- S(e);N_GUARD::S(K)
- S(e);N_GUARD::S(K),XS(e)
- P(b);N_GUARD::S(B)
- Refutation
- P(g);XQ(M)
- Try
- Q(M);
- Vars
- S(a);CHECK,OGATE::B(C)+P(G),XS(a)
- B(h);N_GUARD,XQ(M)::S(K),XP(g)
- S(e);N_GUARD::S(K)
- S(e);N_GUARD::S(K),XS(e)
- S(a);N_GUARD::B(C)+P(G)
- S(a);OGATE::P(G),XS(a)
- P(b);N_GUARD::S(B)
- Refutation
- S(e);XQ(M)
- Try
- Q(M);
- Vars
- S(a);CHECK,OGATE::B(C)+P(G),XS(a)
- S(e);N_GUARD::S(K)
- S(e);N_GUARD::S(K),XS(e)
- B(h);N_GUARD::S(K),XP(g)
- S(a);N_GUARD::B(C)+P(G)
- S(a);OGATE::P(G),XS(a)
- P(b);N_GUARD::S(B)
- Refutation
- S(e);
- Try
- Actual
- Q(M);
- Vars
- S(a);CHECK,OGATE::B(C)+P(G),XS(a)
- S(a);N_GUARD,XQ(M)::B(C)+P(G)
- B(h);N_GUARD::S(K),XP(g)
- S(a);N_GUARD::B(C)+P(G)
- S(a);OGATE::P(G),XS(a)
- S(e);OGATE::QAR2(M)
- S(e);SBLOCK::S(B)
- P(b);N_GUARD::S(B)
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).