MESON Chess Problem Database
Problem Display
PID: 67415 (r3qN2/1Q2R2B/3b1n2/rR4p1/1pb2kP1/5N1P/p3pPPp/B3K2n w - - 0 1)
Gockel, Hubert
1st Prize, Ellerman-100 JT, 1993-1995
#2
12 + 13
| 35 | L'Italia Scacchistica | 1998 |
| 5417 | FIDE Album (1995-1997) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Qxb5
- 2.Sg6#
- 1...Qc6
- 2.Sg6#
- 1...Qg6
- 2.Sxg6#
- 1...Qd7
- 2.Sg6#
- 1...Qxe7
- 2.Sg6#
- 1...Qb8
- 2.Sg6#
- 1...Qc8
- 2.Sg6#
- 1...Qd8
- 2.Sg6#
- 1...Ra3
- 2.Rf5#
- 1...Ra4
- 2.Rf5#
- 1...R5a6
- 2.Rf5#
- 1...R5a7
- 2.Rf5#
- 1...Bd3
- 2.Se6#
- 1...Bxb5
- 2.Se6#
- 1...Be6
- 2.Sxe6#
- 1...Bc5
- 2.Be5#
- 1...Be5
- 2.Bxe5#
- 1...Bc7
- 2.Qxc7#
- 1...Bxe7
- 2.Be5#
- 1...Se4
- 2.Qxe4#
- 1...Sxg4
- 2.Qe4#
- 1...Sd5
- 2.Se6#
- 1...Sh5
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Sxh7
- 2.Qe4#
- 1...Sg8
- 2.Qe4#
- 1...Qxb5
- Tries
- 1.Sd2?
- threat
- 2.Qf3#
- 1...Qc6
- 2.Sg6#
- 1...Ra3
- 2.Rf5#
- 1...Se4
- 2.Qxe4#
- 1...Sd5
- 2.Se6#
- 1...Bd5!
- threat
- 1.Sxh2?
- threat
- 2.Qf3#
- 1...Qc6
- 2.Sg6#
- 1...Ra3
- 2.Rf5#
- 1...Se4
- 2.Qxe4#
- 1...Sd5
- 2.Se6#
- 1...Bd5!
- threat
- 1.Sh4?
- threat
- 2.Qf3#
- 1...Qc6
- 2.Shg6#
- 2.Sfg6#
- 1...Ra3
- 2.Rf5#
- 1...Se4
- 2.Qxe4#
- 1...Sd5
- 2.Se6#
- 1...Bd5!
- threat
- 1.Se5?
- threat
- 2.Qf3#
- 1...Bd5
- 2.Sd3#
- 1...Qc6
- 2.Seg6#
- 1...Se4
- 2.Qxe4#
- 1...Sd5
- 2.Se6#
- 1...Ra3!
- threat
- 1.Qd5?
- threat
- 2.Se6#
- 2.Qd2#
- 2.Qf5#
- 2.Qxg5#
- 2.Qxd6#
- 1...Qxb5
- 2.Se6#
- 2.Sg6#
- 2.Qd2#
- 1...Qxe7
- 2.Sg6#
- 2.Qf5#
- 2.Qxg5#
- 1...Qxf8
- 2.Qd2#
- 2.Qf5#
- 2.Qxg5#
- 2.Qxd6#
- 1...Rxb5
- 2.Se6#
- 2.Qd2#
- 1...Bxe7
- 2.Se6#
- 2.Be5#
- 2.Qd2#
- 2.Qe5#
- 2.Qf5#
- 2.Qxg5#
- 1...Sxf2
- 2.Qxd6#
- 1...Sxg4
- 2.Se6#
- 2.Qxc4#
- 2.Qe4#
- 2.Qd4#
- 2.Qf5#
- 2.Qxg5#
- 1...Sxd5
- 2.Se6#
- 1...Sxh7
- 2.Se6#
- 2.Qxc4#
- 2.Qe4#
- 2.Qd2#
- 2.Qd4#
- 2.Qf5#
- 2.Qxd6#
- 1...Qh5
- 2.Se6#
- 2.Qd2#
- 2.Qf5#
- 2.Qxd6#
- 1...Qc6
- 2.Se6#
- 2.Sg6#
- 2.Qd2#
- 2.Qf5#
- 2.Qxg5#
- 1...Qg6
- 2.Se6#
- 2.Sxg6#
- 2.Qd2#
- 2.Qxd6#
- 1...Qd7
- 2.Sg6#
- 2.Qd2#
- 2.Qxg5#
- 1...Qf7
- 2.Qd2#
- 2.Qf5#
- 2.Qxg5#
- 2.Qxd6#
- 1...Qb8
- 2.Se6#
- 2.Sg6#
- 2.Qd2#
- 2.Qf5#
- 2.Qxg5#
- 1...Qc8
- 2.Sg6#
- 2.Qd2#
- 2.Qxg5#
- 2.Qxd6#
- 1...Qd8
- 2.Se6#
- 2.Sg6#
- 2.Qd2#
- 2.Qf5#
- 2.Qxg5#
- 1...Ra3
- 2.Se6#
- 2.Qf5#
- 2.Qxg5#
- 2.Qxd6#
- 1...R5a6
- 2.Se6#
- 2.Qd2#
- 2.Qf5#
- 2.Qxg5#
- 1...R8a6
- 2.Se6#
- 2.Qd2#
- 2.Qf5#
- 2.Qxg5#
- 1...Rd8
- 2.Se6#
- 2.Qd2#
- 2.Qf5#
- 2.Qxg5#
- 1...Bd3
- 2.Se6#
- 2.Qxg5#
- 2.Qxd6#
- 1...Bc5
- 2.Se6#
- 2.Be5#
- 2.Qe5#
- 2.Qf5#
- 2.Qxg5#
- 1...Be5
- 2.Se6#
- 2.Bxe5#
- 2.Qd2#
- 2.Qxe5#
- 1...Bc7
- 2.Se6#
- 2.Qd2#
- 2.Qf5#
- 2.Qxg5#
- 1...Bb8
- 2.Se6#
- 2.Qd2#
- 2.Qf5#
- 2.Qxg5#
- 1...Sg3
- 2.Se6#
- 2.Qd2#
- 2.Qxg5#
- 2.Qxd6#
- 1...Se4
- 2.Se6#
- 2.Qxe4#
- 2.Qf5#
- 1...Sd7
- 2.Se6#
- 2.Qxc4#
- 2.Qe4#
- 2.Qd2#
- 2.Qd4#
- 2.Qf5#
- 2.Qxg5#
- 1...Bxd5!
- threat
- 1.Qb6?
- threat
- 2.Qe3#
- 2.Qxd6#
- 1...Qxb5
- 2.Sg6#
- 2.Qe3#
- 1...Rxb5
- 2.Qe3#
- 1...Bxe7
- 2.Be5#
- 2.Qe3#
- 1...Sxf2
- 2.Qxd6#
- 1...Sxg4
- 2.Qd4#
- 1...Qc6
- 2.Sg6#
- 2.Qe3#
- 1...Qd7
- 2.Sg6#
- 2.Qe3#
- 1...Qb8
- 2.Sg6#
- 2.Qe3#
- 1...Qd8
- 2.Sg6#
- 2.Qe3#
- 1...Ra3
- 2.Rf5#
- 2.Qxd6#
- 1...R5a6
- 2.Rf5#
- 2.Qe3#
- 1...R8a6
- 2.Qe3#
- 1...Rd8
- 2.Qe3#
- 1...Bc5
- 2.Be5#
- 2.Qxf6#
- 1...Be5
- 2.Bxe5#
- 2.Qe3#
- 1...Bc7
- 2.Qe3#
- 2.Qxc7#
- 2.Qxf6#
- 1...Bb8
- 2.Qe3#
- 2.Qxf6#
- 1...Se4
- 2.Qe3#
- 1...Sd5
- 2.Se6#
- 2.Qd4#
- 2.Qxd6#
- 1...Sd7
- 2.Qe3#
- 2.Qd4#
- 1...Qxe7!
- threat
- 1.Sd2?
- Keys
- 1.Sd4!
- threat
- 2.Qf3#
- 1...Bd5
- 2.Sxe2#
- 1...Qc6
- 2.Sg6#
- 1...Ra3
- 2.Rf5#
- 1...Se4
- 2.Qxe4#
- 1...Sd5
- 2.Sde6#
- threat
- 1.Sd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 22
- Sets
- Q(m);N_GUARD,XR(H)::S(L)
- Q(m);N_GUARD::S(L)
- Q(m);N_GUARD::S(L),XQ(m)
- Q(m);N_GUARD,XR(J)::S(L)
- R(h);N_GUARD::R1(H)
- B(f);N_GUARD::S(L)
- B(f);N_GUARD,XR(H)::S(L)
- B(f);N_GUARD::S(L),XB(f)
- B(j);N_GUARD::B(A)
- B(j);N_GUARD::B(A),XB(j)
- B(j);OGATEB::QAB(I),XB(j)
- B(j);N_GUARD,XR(J)::B(A)
- S(k);N_GUARD::QAR1(I),XS(k)
- S(k);N_GUARD,XP(G)::QAR1(I)
- S(k);S_CUTB(f)::S(L)
- S(k);N_GUARD::QAR1(I)
- S(k);N_GUARD,XB(K)::QAR1(I)
- Tries
- Try
- S(E);
- Threat
- QAR1(I)
- Vars
- Q(m);N_GUARD::S(L)
- R(h);N_GUARD::R1(H)
- S(k);N_GUARD::QAR1(I),XS(k)
- S(k);S_CUTB(f)::S(L)
- Refutation
- B(f);
- Try
- S(E);XP(d)
- Threat
- QAR1(I)
- Vars
- Q(m);N_GUARD::S(L)
- R(h);N_GUARD::R1(H)
- S(k);N_GUARD::QAR1(I),XS(k)
- S(k);S_CUTB(f)::S(L)
- Refutation
- B(f);
- Try
- S(E);
- Threat
- QAR1(I)
- Vars
- R(h);N_GUARD::R1(H)
- S(k);N_GUARD::QAR1(I),XS(k)
- S(k);S_CUTB(f)::S(L)
- Refutation
- B(f);
- Try
- S(E);
- Threat
- QAR1(I)
- Vars
- B(f);N_GUARD::S(E)
- Q(m);N_GUARD::S(E)
- S(k);N_GUARD::QAR1(I),XS(k)
- S(k);S_CUTB(f)::S(L)
- Refutation
- R(h);
- Try
- Q(I);
- Threat
- DUALS(5)
- Vars
- S(a);XP(C)::QAB(I),XB(j)
- S(k);XQ(I)::S(L)
- Refutation
- B(f);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(h);XR(H)::QAB1(I)
- S(a);XP(C)::QAB(I),XB(j)
- S(k);N_GUARD,XP(G)::QAR2(I)
- R(l);::QAB1(I)
- S(k);::QAB1(I)
- Refutation
- Q(m);XR(J)
- Try
- Actual
- S(E);
- Threat
- QAR1(I)
- Vars
- B(f);N_GUARD::S(E),XP(c)
- Q(m);N_GUARD::S(L)
- R(h);N_GUARD::R1(H)
- S(k);N_GUARD::QAR1(I),XS(k)
- S(k);S_CUTB(f)::S(E)
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).