MESON Chess Problem Database
Problem Display
PID: 139839 (2KB2Nq/b1p1p3/2rkr1p1/2nPn2p/3R4/3Q4/2PN4/1b6 w - - 0 1)
Degenkolbe, Mirko
Muller, Dieter
6th Place, League of Macedonian Problemists, 2008
#2
8 + 12
| 5402 | German Solving Championship | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Ra6
- 2.Bxc7#
- 1...Rb6
- 2.Bxc7#
- 1...Rf6
- 2.Bxe7#
- 1...Sb3
- 2.Se4#
- 1...Scxd3
- 2.Se4#
- 1...Sa4
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sa6
- 2.Se4#
- 1...Sb7
- 2.Se4#
- 1...Scd7
- 2.Se4#
- 1...Sexd3
- 2.Sc4#
- 1...Sf3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sed7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Ra6
- Tries
- 1.Qb5?
- threat
- 2.dxc6#
- 1...Sed3
- 2.Sc4#
- 1...Sf3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sed7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Ra6
- 2.Bxc7#
- 1...Rb6
- 2.Bxc7#
- 1...Rf6
- 2.Bxe7#
- 1...Sb3
- 2.Se4#
- 1...Scd3
- 2.Se4#
- 1...Sa4
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sa6
- 2.Se4#
- 1...Sb7
- 2.Se4#
- 1...Scd7
- 2.Se4#
- 1...Ba2!
- threat
- 1.Qa6?
- threat
- 2.Bxc7#
- 2.dxc6#
- 1...Qxg8
- 2.dxc6#
- 1...Rxa6
- 2.Bxc7#
- 1...Sxa6
- 2.Se4#
- 1...Sb3
- 2.Se4#
- 1...Scd3
- 2.Se4#
- 1...Sa4
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sb7
- 2.Se4#
- 1...Scd7
- 2.Se4#
- 1...Sed3
- 2.Sc4#
- 2.Bxc7#
- 1...Sf3
- 2.Sc4#
- 2.Bxc7#
- 1...Sc4
- 2.Sxc4#
- 2.Bxc7#
- 1...Sg4
- 2.Sc4#
- 2.Bxc7#
- 1...Sed7
- 2.Sc4#
- 2.Bxc7#
- 1...Sf7
- 2.Sc4#
- 2.Bxc7#
- 1...Ba2
- 2.Bxc7#
- 1...Rb6
- 2.Bxc7#
- 1...Rf6
- 2.Bxc7#
- 2.Bxe7#
- 1...Bb8
- 2.dxc6#
- 1...Bb6!
- threat
- 1.Qxg6?
- threat
- 2.Bxe7#
- 2.dxe6#
- 1...Qxg8
- 2.dxe6#
- 1...Rxg6
- 2.Bxe7#
- 1...Sxg6
- 2.Sc4#
- 1...Sb3
- 2.Se4#
- 2.Bxe7#
- 1...Scd3
- 2.Se4#
- 2.Bxe7#
- 1...Sa4
- 2.Se4#
- 2.Bxe7#
- 1...Se4
- 2.Sxe4#
- 2.Bxe7#
- 1...Sa6
- 2.Se4#
- 2.Bxe7#
- 1...Sb7
- 2.Se4#
- 2.Bxe7#
- 1...Scd7
- 2.Se4#
- 2.Bxe7#
- 1...Sed3
- 2.Sc4#
- 1...Sf3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sed7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Ba2
- 2.Bxe7#
- 1...Qg7
- 2.dxe6#
- 1...Qh7
- 2.dxe6#
- 1...Ra6
- 2.Bxc7#
- 2.Bxe7#
- 1...Rb6
- 2.Bxc7#
- 2.Bxe7#
- 1...Rf6
- 2.Bxe7#
- 1...Qf6!
- threat
- 1.Qa3?
- threat
- 2.Se4#
- 1...Sd3
- 2.Sc4#
- 1...Sf3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Bxc2!
- threat
- 1.Qf3?
- threat
- 2.dxc6#
- 1...Sxf3
- 2.Sc4#
- 1...Sb3
- 2.Se4#
- 1...Scd3
- 2.Se4#
- 1...Sa4
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sa6
- 2.Se4#
- 1...Sb7
- 2.Se4#
- 1...Scd7
- 2.Se4#
- 1...Sed3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sed7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Ra6
- 2.Bxc7#
- 1...Rb6
- 2.Bxc7#
- 1...Rf6
- 2.Bxe7#
- 1...Ba2!
- threat
- 1.Qg3?
- threat
- 2.Sc4#
- 1...Sb3
- 2.Se4#
- 1...Sd3
- 2.Se4#
- 1...Sa4
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sa6
- 2.Se4#
- 1...Sb7
- 2.Se4#
- 1...Sd7
- 2.Se4#
- 1...Ba2!
- threat
- 1.Qh3?
- threat
- 2.dxe6#
- 1...Sb3
- 2.Se4#
- 1...Scd3
- 2.Se4#
- 1...Sa4
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sa6
- 2.Se4#
- 1...Sb7
- 2.Se4#
- 1...Scd7
- 2.Se4#
- 1...Sed3
- 2.Sc4#
- 1...Sf3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sed7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Ra6
- 2.Bxc7#
- 1...Rb6
- 2.Bxc7#
- 1...Rf6
- 2.Bxe7#
- 1...Ba2!
- threat
- 1.Qb5?
- Keys
- 1.Qb3!
- threat
- 2.dxe6#
- 1...Sxb3
- 2.Se4#
- 1...Scd3
- 2.Se4#
- 1...Sa4
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Sa6
- 2.Se4#
- 1...Sb7
- 2.Se4#
- 1...Scd7
- 2.Se4#
- 1...Sed3
- 2.Sc4#
- 1...Sf3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...Sed7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Ra6
- 2.Bxc7#
- 1...Rb6
- 2.Bxc7#
- 1...Rf6
- 2.Bxe7#
- threat
- 1.Qb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(e);N_GUARD::B(G),XP(j)
- R(g);N_GUARD::B(G),XP(k)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD,XQ(C)::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD,XQ(C)::S(B)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- Tries
- Try
- Q(C);
- Threat
- R(D)+P(E),XR(e)
- Vars
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- R(e);N_GUARD::B(G),XP(j)
- R(g);N_GUARD::B(G),XP(k)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- Refutation
- B(a);
- Try
- Q(C);P_PINR(e)
- Threat
- DUALS(2)
- Vars
- Q(l);P_PINB(G),XS(H)::R(D)+P(E),XR(e)
- R(e);N_SPINR(e),XQ(C)::B(G),XP(j)
- S(b);N_GUARD,N_SPINR(e),XQ(C)::S(B)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- B(a);::B(G),XP(j)
- R(e);::B(G),XP(j)
- B(i);::R(D)+P(E),XR(e)
- Refutation
- B(i);N_SPINR(e)
- Try
- Q(C);P_PINR(g),XP(h)
- Threat
- DUALS(2)
- Vars
- Q(l);P_PINB(G),XS(H)::R(D)+P(E),XR(g)
- R(g);N_SPINR(g),XQ(C)::B(G),XP(k)
- S(c);N_GUARD,N_SPINR(g),XQ(C)::S(B)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- B(a);::B(G),XP(k)
- Q(l);::R(D)+P(E),XR(g)
- R(g);::B(G),XP(k)
- Refutation
- Q(l);N_SPINR(g)
- Try
- Q(C);P_PINS(b)
- Threat
- S(B)
- Vars
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- Refutation
- B(a);XP(A)
- Try
- Q(C);
- Threat
- R(D)+P(E),XR(e)
- Vars
- S(c);N_GUARD,XQ(C)::S(B)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- R(e);N_GUARD::B(G),XP(j)
- R(g);N_GUARD::B(G),XP(k)
- Refutation
- B(a);
- Try
- Q(C);P_PINS(c)
- Threat
- S(B)
- Vars
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- Refutation
- B(a);
- Try
- Q(C);
- Threat
- R(D)+P(E),XR(g)
- Vars
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- R(e);N_GUARD::B(G),XP(j)
- R(g);N_GUARD::B(G),XP(k)
- Refutation
- B(a);
- Try
- Actual
- Q(C);
- Threat
- R(D)+P(E),XR(g)
- Vars
- S(b);N_GUARD,XQ(C)::S(B)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- R(e);N_GUARD::B(G),XP(j)
- R(g);N_GUARD::B(G),XP(k)
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).