MESON Chess Problem Database
Problem Display
PID: 261082 (2b2n2/8/7r/bN1NB1Q1/2P1kpP1/p7/K3P1pq/8 w - - 0 1)
Kupper, Josef
Neue Zurcher Zeitung, 2013
#2
8 + 9
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.Qxf4#
- 1...Qh1
- 2.Qxf4#
- 1...Qh3
- 2.Qxf4#
- 1...Qh4
- 2.Qxf4#
- 1...Qh5
- 2.Qxf4#
- 1...Rh3
- 2.Sd6#
- 1...Rh4
- 2.Sd6#
- 1...Rh5
- 2.Sd6#
- 1...Rd6
- 2.Sxd6#
- 1...Re6
- 2.Qf5#
- 1...Rh7
- 2.Sd6#
- 1...Rh8
- 2.Sd6#
- 1...Bc3
- 2.Sbxc3#
- 1...Bb6
- 2.Sbc3#
- 1...Bc7
- 2.Sbc3#
- 1...Bd8
- 2.Sbc3#
- 1...Bf5
- 2.Qxf5#
- 1...Ba6
- 2.Qf5#
- 1...Be6
- 2.Sd6#
- 1...Bb7
- 2.Qf5#
- 1...Se6
- 2.Sd6#
- 2.Qf5#
- 1...Sg6
- 2.Sd6#
- 1...Sd7
- 2.Qf5#
- 1...f3
- 2.Qe3#
- 1...Qg1
- Tries
- 1.Bxf4?
- threat
- 2.Qe5#
- 1...Qxf4
- 2.Qxf4#
- 1...Rh5
- 2.Sf6#
- 1...Re6
- 2.Qf5#
- 1...Bc3
- 2.Sdxc3#
- 1...Bc7
- 2.Sdc3#
- 1...Bf5
- 2.Qxf5#
- 1...Sg6
- 2.Sf6#
- 1...Sd7
- 2.Qf5#
- 1...Qh5!
- threat
- 1.Bf6?
- threat
- 2.Sd6#
- 2.Qe5#
- 1...Qh5
- 2.Sd6#
- 2.Qxf4#
- 1...Rh5
- 2.Sd6#
- 1...Bc3
- 2.Sbxc3#
- 2.Sd6#
- 1...Bb4
- 2.Qe5#
- 1...Bc7
- 2.Sbc3#
- 1...Bf5
- 2.Sd6#
- 2.Qxf5#
- 1...Sg6
- 2.Sd6#
- 1...Sd7
- 2.Sd6#
- 2.Qf5#
- 1...f3
- 2.Qe3#
- 1...Rxf6!
- threat
- 1.Bg7?
- threat
- 2.Qe5#
- 1...Qh5
- 2.Qxf4#
- 1...Rh5
- 2.Sd6#
- 1...Re6
- 2.Qf5#
- 1...Bc3
- 2.Sbxc3#
- 1...Bc7
- 2.Sbc3#
- 1...Bf5
- 2.Qxf5#
- 1...Sg6
- 2.Sd6#
- 1...Sd7
- 2.Qf5#
- 1...f3
- 2.Qe3#
- 1...Rf6!
- threat
- 1.Bxf4?
- Keys
- 1.Bd4!
- threat
- 2.Qe5#
- 1...Qh5
- 2.Qxf4#
- 1...Rh5
- 2.Sf6#
- 1...Re6
- 2.Qf5#
- 1...Bc7
- 2.Sdc3#
- 1...Bf5
- 2.Qxf5#
- 1...Sg6
- 2.Sf6#
- 1...Sd7
- 2.Qf5#
- 1...f3
- 2.Qe3#
- threat
- 1.Bd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 15
- Sets
- Q(b);N_GUARD::QAR1(H),XP(e)
- R(g);N_GUARD::S(E)
- R(g);N_GUARD::S(E),XR(g)
- R(g);S_CUTB(h)::QAB1(H)
- B(f);N_GUARD::S(E),XB(f)
- B(f);N_GUARD::S(E)
- B(h);N_GUARD::QAB1(H),XB(h)
- B(h);N_GUARD::QAB1(H)
- B(h);S_CUTR(g)::S(E)
- S(i);S_CUTR(g)::S(E)
- S(i);S_CUTB(h)::QAB1(H)
- P(e);OGATE::QAR1(H)
- Tries
- Try
- B(G);XP(e)
- Threat
- QAR1(H)
- Vars
- Q(b);OGATE,XB(G)::QAR1(H),XQ(b)
- R(g);N_GUARD::S(F)
- R(g);S_CUTB(h)::QAB1(H)
- B(f);N_GUARD::S(F),XB(f)
- B(f);N_GUARD::S(F)
- B(h);N_GUARD::QAB1(H),XB(h)
- S(i);S_CUTR(g)::S(F)
- S(i);S_CUTB(h)::QAB1(H)
- Refutation
- Q(b);
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- R(g);::S(E)
- B(f);::QAR1(H)
- B(f);N_GUARD::S(E)
- S(i);::S(E)
- P(e);OGATE::QAR1(H)
- Refutation
- R(g);XB(G)
- Try
- B(G);
- Threat
- QAR1(H)
- Vars
- Q(b);N_GUARD::QAR1(H),XP(e)
- R(g);N_GUARD::S(E)
- R(g);S_CUTB(h)::QAB1(H)
- B(f);N_GUARD::S(E),XB(f)
- B(f);N_GUARD::S(E)
- B(h);N_GUARD::QAB1(H),XB(h)
- S(i);S_CUTR(g)::S(E)
- S(i);S_CUTB(h)::QAB1(H)
- P(e);OGATE::QAR1(H)
- Refutation
- R(g);
- Try
- Actual
- B(G);
- Threat
- QAR1(H)
- Vars
- Q(b);N_GUARD::QAR1(H),XP(e)
- R(g);N_GUARD::S(F)
- R(g);S_CUTB(h)::QAB1(H)
- B(f);N_GUARD::S(F)
- B(h);N_GUARD::QAB1(H),XB(h)
- S(i);S_CUTR(g)::S(F)
- S(i);S_CUTB(h)::QAB1(H)
- P(e);OGATE::QAR1(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).