MESON Chess Problem Database
Problem Display
PID: 110673 (6RB/6n1/4BRpb/2Npn1k1/2Pp1N1p/3P3P/1p1Q4/1K6 w - - 0 1)
Neukomm, Gyula (Julius) R
2nd Prize, Western Morning News, 1921
(First published on Sat Aug 13 1921)
#2
11 + 9
| 6490 | yacpdb | 2009 |
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kxf6
- 2.Sxd5#
- 1...Sxd3
- 2.Rxg6#
- 1...Sf3
- 2.Rxg6#
- 1...Sxc4
- 2.Rxg6#
- 1...Sg4
- 2.Rxg6#
- 1...Sc6
- 2.Rxg6#
- 1...Sd7
- 2.Rxg6#
- 1...Sf7
- 2.Rxg6#
- 1...Sf5
- 2.Rxf5#
- 1...Sh5
- 2.Rf5#
- 1...Sxe6
- 2.Scxe6#
- 1...Se8
- 2.Rf5#
- 1...dxc4
- 2.Se4#
- 1...Kxf6
- Tries
- 1.Bxg7?
- 1...Sxd3
- 2.Rxg6#
- 2.Qg2#
- 1...Sxc4
- 2.Rxg6#
- 2.Qg2#
- 1...dxc4
- 2.Se4#
- 1...Sf3
- 2.Rxg6#
- 2.Qg2#
- 1...Sg4
- 2.Rxg6#
- 1...Sc6
- 2.Rxg6#
- 2.Qg2#
- 1...Sd7
- 2.Rxg6#
- 2.Qg2#
- 1...Sf7
- 2.Rxg6#
- 2.Qg2#
- 1...Bxg7!
- 1...Sxd3
- 1.Rxg7?
- threat
- 2.Rf5#
- 1...Kxf6
- 2.Sxd5#
- 1...Bxg7!
- threat
- 1.Qe3?
- 1...Kxf6
- 2.Sxd5#
- 1...Sxd3
- 2.Rxg6#
- 1...Sxc4
- 2.Rxg6#
- 1...Sxe6
- 2.Scxe6#
- 2.Qxe5#
- 1...dxc4
- 2.Se4#
- 1...Sf5
- 2.Rxf5#
- 1...Sf3
- 2.Rxg6#
- 1...Sg4
- 2.Rxg6#
- 1...Sc6
- 2.Rxg6#
- 1...Sd7
- 2.Rxg6#
- 1...Sf7
- 2.Rxg6#
- 1...Sh5
- 2.Rf5#
- 2.Qxe5#
- 1...Se8
- 2.Rf5#
- 2.Qxe5#
- 1...dxe3!
- 1...Kxf6
- 1.Qg2+?
- 1...Kxf6
- 2.Sxd5#
- 1...Sg4!
- 1...Kxf6
- 1.Qh2?
- 1...Sxd3
- 2.Rxg6#
- 1...Sxc4
- 2.Rxg6#
- 1...Sxe6
- 2.Scxe6#
- 1...dxc4
- 2.Se4#
- 1...Sf5
- 2.Rxf5#
- 1...Sf3
- 2.Rxg6#
- 1...Sg4
- 2.Rxg6#
- 1...Sc6
- 2.Rxg6#
- 1...Sd7
- 2.Rxg6#
- 1...Sf7
- 2.Rxg6#
- 1...Sh5
- 2.Rf5#
- 1...Se8
- 2.Rf5#
- 1...Kxf6!
- 1...Sxd3
- 1.Bxg7?
- Keys
- 1.Qa5!
- 1...Kxf6
- 2.Qd8#
- 1...Sxd3
- 2.Se4#
- 1...Sxc4
- 2.Se4#
- 1...Sxe6
- 2.Scxe6#
- 1...dxc4
- 2.Se4#
- 1...Sf5
- 2.Rxf5#
- 1...Sf3
- 2.Se4#
- 1...Sg4
- 2.Se4#
- 1...Sc6
- 2.Se4#
- 1...Sd7
- 2.Se4#
- 1...Sf7
- 2.Se4#
- 1...Sh5
- 2.Rf5#
- 1...Se8
- 2.Rf5#
- 1...Kxf6
- 1.Qa5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(f);P_SPINS(i),S_FLIGHT,XR(I)::S(F),XP(d)
- S(e);N_GUARD,XP(C)::R1(I),XP(g)
- S(e);N_GUARD::R1(I),XP(g)
- S(e);N_GUARD,XP(E)::R1(I),XP(g)
- S(i);N_GUARD,P_SPINP(g)::R1(I),XS(i)
- S(i);N_GUARD,P_SPINP(g)::R1(I)
- S(i);P_SPINP(g),XB(H)::S(G),XS(i)
- P(d);N_GUARD,XP(E)::S(G)
- Tries
- Try
- B(K);XS(i)
- Vars
- P(d);N_GUARD,XP(E)::S(G)
- S(e);N_GUARD::R1(I),XP(g)
- Refutation
- B(h);XB(K)
- Try
- R(J);P_PINP(g),XS(i)
- Threat
- R1(I)
- Vars
- K(f);N_SPINP(g),S_FLIGHT,XR(I)::S(F),XP(d)
- Refutation
- B(h);N_SPINP(g),XR(J)
- Try
- Q(B);
- Vars
- K(f);P_SPINS(i),S_FLIGHT,XR(I)::S(F),XP(d)
- S(e);N_GUARD,XP(C)::R1(I),XP(g)
- S(e);N_GUARD,XP(E)::R1(I),XP(g)
- P(d);N_GUARD,XP(E)::S(G)
- S(i);N_GUARD,P_SPINP(g)::R1(I),XS(i)
- S(e);N_GUARD::R1(I),XP(g)
- Refutation
- P(b);XQ(B)
- Try
- Q(B);CHECK
- Vars
- K(f);P_SPINS(i),S_FLIGHT,XR(I)::S(F),XP(d)
- Refutation
- S(e);P_SPINS(e)
- Try
- Q(B);
- Vars
- S(e);N_GUARD,XP(C)::R1(I),XP(g)
- S(e);N_GUARD,XP(E)::R1(I),XP(g)
- S(i);P_SPINP(g),XB(H)::S(G),XS(i)
- P(d);N_GUARD,XP(E)::S(G)
- S(i);N_GUARD,P_SPINP(g)::R1(I),XS(i)
- S(e);N_GUARD::R1(I),XP(g)
- S(i);N_GUARD,P_SPINP(g)::R1(I)
- Refutation
- K(f);P_SPINS(i),S_FLIGHT,XR(I)
- Try
- Actual
- Q(B);
- Vars
- K(f);OGATEB,P_SPINS(i),S_FLIGHT,XR(I)::QAB(B)
- S(e);S_CUTP(d),XP(C)::S(G)
- S(e);S_CUTP(d),XP(E)::S(G)
- S(i);P_SPINP(g),XB(H)::S(G),XS(i)
- P(d);N_GUARD,XP(E)::S(G)
- S(i);N_GUARD,P_SPINP(g)::R1(I),XS(i)
- S(e);S_CUTP(d)::S(G)
- S(i);N_GUARD,P_SPINP(g)::R1(I)
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).