MESON Chess Problem Database
Problem Display
PID: 159455 (2K2b2/5P1n/n1Q1N1RN/r3k3/1p4P1/2r1P3/1B6/3bR2B w - - 0 1)
Kupper, Josef
4th HM., Schach, 2006
#2
11 + 8
| 15527 | schachkunst (1997-2010) (Hoffmann) | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Bc5
- 2.Qd5#
- 1...Sc5
- 2.Qd5#
- 1...Sf6
- 2.Rg5#
- 1...b3
- 2.Bxc3#
- 1...Bc5
- Tries
- 1.Sf4?
- threat
- 2.Sd3#
- 2.Re6#
- 1...Rd5
- 2.Re6#
- 1...Bc2
- 2.Re6#
- 1...Be2
- 2.Re6#
- 1...Bb3
- 2.Sd3#
- 1...Sc5
- 2.Qd5#
- 1...Sc7
- 2.Sd3#
- 2.Qe4#
- 1...Sg5
- 2.Sd3#
- 2.Rxg5#
- 1...Sf6
- 2.Sd3#
- 2.Rg5#
- 1...Bxg4+!
- threat
- 1.Sc5?
- threat
- 2.Sd3#
- 2.Sd7#
- 2.Re6#
- 2.Qe4#
- 2.Qd5#
- 2.Qe6#
- 1...Rxc5
- 2.Re6#
- 1...Bxc5
- 2.Re6#
- 2.Qe4#
- 2.Qd5#
- 2.Qe6#
- 1...Sxc5
- 2.Qd5#
- 1...Bc2
- 2.Sd7#
- 2.Re6#
- 2.Qd5#
- 2.Qe6#
- 1...Be2
- 2.Sd7#
- 2.Re6#
- 2.Qe4#
- 2.Qd5#
- 2.Qe6#
- 1...Bb3
- 2.Sd3#
- 2.Sd7#
- 2.Qe4#
- 1...Bf3
- 2.Sd3#
- 2.Sd7#
- 2.Re6#
- 2.Qe6#
- 1...Bd6
- 2.Sd3#
- 2.Sd7#
- 2.Re6#
- 2.Qe4#
- 2.Qd5#
- 2.Qxd6#
- 1...Sc7
- 2.Sd3#
- 2.Sd7#
- 2.Qe4#
- 1...Sb8
- 2.Sd3#
- 2.Re6#
- 2.Qe4#
- 2.Qd5#
- 2.Qe6#
- 1...Sg5
- 2.Sd3#
- 2.Sd7#
- 2.Rxg5#
- 2.Qd5#
- 2.Qf6#
- 1...Sf6
- 2.Sd3#
- 2.Rg5#
- 2.Qe6#
- 2.Qxf6#
- 1...Bxg4+!
- threat
- 1.Sc7?
- threat
- 2.Re6#
- 2.Qe4#
- 2.Qe6#
- 1...Sxc7
- 2.Qe4#
- 1...Rd5
- 2.Re6#
- 2.Qxd5#
- 2.Qe6#
- 1...Bc2
- 2.Re6#
- 2.Qe6#
- 1...Bb3
- 2.Qe4#
- 1...Bf3
- 2.Re6#
- 2.Qe6#
- 1...Bd6
- 2.Re6#
- 2.Qe4#
- 2.Qxd6#
- 1...Sc5
- 2.Qd5#
- 1...Sg5
- 2.Rxg5#
- 2.Qf6#
- 1...Sf6
- 2.Rg5#
- 2.Qe6#
- 2.Qxf6#
- 1...Bxg4+!
- threat
- 1.Sg7?
- threat
- 2.Re6#
- 1...Bxg4+
- 2.Sxg4#
- 1...Sc5
- 2.Qd5#
- 1...Sc7
- 2.Qe4#
- 1...Sg5
- 2.Rxg5#
- 1...Sf6
- 2.Rg5#
- 1...Bb3!
- threat
- 1.Sxf8?
- threat
- 2.Sd7#
- 2.Re6#
- 1...Sxf8
- 2.Rg5#
- 1...Bb3
- 2.Sd7#
- 1...Rd5
- 2.Re6#
- 1...Sc5
- 2.Qd5#
- 2.Qd6#
- 2.Qc7#
- 1...Sc7
- 2.Sd7#
- 2.Qe4#
- 2.Qd6#
- 2.Qxc7#
- 1...Sb8
- 2.Re6#
- 2.Qc7#
- 1...Sg5
- 2.Sd7#
- 2.Rxg5#
- 1...Sf6
- 2.Rg5#
- 1...Bxg4+!
- threat
- 1.Sf4?
- Keys
- 1.Sd4!
- threat
- 2.Re6#
- 1...Rxc6+
- 2.Sxc6#
- 1...Bxg4+
- 2.Sxg4#
- 1...Rxe3
- 2.Se6#
- 1...Bb3
- 2.Sf3#
- 1...Sc5
- 2.Qd5#
- 1...Sc7
- 2.Qe4#
- 1...Sg5
- 2.Rxg5#
- 1...Sf6
- 2.Rg5#
- threat
- 1.Sd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 2
- Sets
- B(h);N_PINQ(F)::QAR1(F)
- S(f);N_PINQ(F)::QAR1(F)
- S(g);N_GUARD,SBLOCK::R(H)
- P(c);N_GUARD::B(C),XR(b)
- Tries
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(d);::R1(H)
- B(a);::R1(H)
- B(a);::S(G)
- S(f);N_PINQ(F)::QAR1(F)
- Refutation
- B(a);CHECK,XP(E)
- Try
- S(G);N_SPINQ(F)
- Threat
- DUALS(6)
- Vars
- R(d);P_PINQ(F),XS(G)::R1(H)
- S(f);XS(G)::QAR1(F)
- Refutation
- B(a);CHECK,XP(E)
- Try
- S(G);N_SPINQ(F)
- Threat
- DUALS(3)
- Vars
- S(f);XS(G)::QAR1(F)
- B(a);::QAR1(F)
- S(f);S_CUTR(d)::QAR1(F)
- Refutation
- B(a);CHECK,XP(E)
- Try
- S(G);
- Threat
- R1(H)
- Vars
- B(a);CHECK,XP(E)::S(I),XB(a)
- S(f);N_PINQ(F)::QAR1(F)
- S(g);N_GUARD::R(H),XS(g)
- S(g);N_GUARD::R(H)
- Refutation
- B(a);
- Try
- S(G);XB(h)
- Threat
- DUALS(2)
- Vars
- S(g);N_GUARD,XS(G)::R(H)
- B(a);::S(G)
- R(d);::R1(H)
- S(g);N_GUARD::R(H)
- Refutation
- B(a);CHECK,XP(E)
- Try
- Actual
- S(G);N_PINR(b)
- Threat
- R1(H)
- Vars
- R(b);CHECK,XQ(F)::B(C)+S(G),DCHECK,XR(b)
- B(a);CHECK,XP(E)::S(I),XB(a)
- R(b);N_PINQ(F),P_SPINR(b),XP(D)::B(C)+S(G)
- B(a);N_GUARD::S(G)
- S(f);N_PINQ(F)::QAR1(F)
- S(g);N_GUARD::R(H),XS(g)
- S(g);N_GUARD::R(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).