MESON Chess Problem Database
Problem Display
PID: 249735 (2QK4/5b2/n2B2p1/7p/3kB3/1pR1N1N1/3p4/3rn1b1 w - - 0 1)
Burmistrov, Sergey Gennadevich
Permyakov, Evgeni Nikolaevich
Schach, 1985
#2
7 + 10
| 15601 | Albrecht-Leiss-Degener Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bc4
- 2.Qxc4#
- 1...Be8
- 2.Qc4#
- 1...Sc2
- 2.Rd3#
- 1...Sg2
- 2.Rd3#
- 1...Sd3
- 2.Rxd3#
- 1...Sf3
- 2.Rd3#
- 1...Sb4
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sb8
- 2.Qc5#
- 1...g5
- 2.Sef5#
- 1...Bc4
- Tries
- 1.Ke7?
- threat
- 2.Qh8#
- 1...Sd3
- 2.Rxd3#
- 1...Be8
- 2.Qc4#
- 1...Sf3
- 2.Rd3#
- 1...Bg8!
- threat
- 1.Sc2+?
- 1...Sxc2
- 2.Rd3#
- 1...bxc2!
- 1...Sxc2
- 1.Sc4?
- threat
- 2.Be5#
- 1...Kxc3
- 2.Se2#
- 1...Bxc4
- 2.Qxc4#
- 1...Sd3
- 2.Rxd3#
- 1...Sf3
- 2.Rd3#
- 1...Sc7!
- threat
- 1.Sg4?
- threat
- 2.Be5#
- 1...Sd3
- 2.Rxd3#
- 1...Sf3
- 2.Rd3#
- 1...hxg4!
- threat
- 1.Bxg6?
- threat
- 2.Se2#
- 1...Bxg6
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Sd3
- 2.Rxd3#
- 1...Bxe3!
- threat
- 1.Qf5?
- threat
- 2.Se2#
- 2.Be5#
- 2.Qe5#
- 2.Qf6#
- 1...Kxc3
- 2.Qe5#
- 2.Qf6#
- 1...Sd3
- 2.Rxd3#
- 1...Bc4
- 2.Qe5#
- 2.Qf6#
- 1...Sf3
- 2.Se2#
- 2.Rd3#
- 1...gxf5!
- threat
- 1.Qe6?
- threat
- 2.Se2#
- 2.Be5#
- 2.Qe5#
- 2.Qf6#
- 1...Kxc3
- 2.Qe5#
- 2.Qf6#
- 1...Sd3
- 2.Rxd3#
- 1...Sf3
- 2.Se2#
- 2.Rd3#
- 1...Bxe6!
- threat
- 1.Qc6?
- threat
- 2.Se2#
- 1...Bc4
- 2.Qxc4#
- 1...Sd3
- 2.Rxd3#
- 1...Bd5!
- threat
- 1.Qc7?
- threat
- 2.Be5#
- 1...Sd3
- 2.Rxd3#
- 1...Sf3
- 2.Rd3#
- 1...Sxc7!
- threat
- 1.Ke7?
- Keys
- 1.Qb7!
- threat
- 2.Se2#
- 1...Kxc3
- 2.Be5#
- 1...Sd3
- 2.Rxd3#
- 1...Bc4
- 2.Qg7#
- 1...Bd5
- 2.Qg7#
- threat
- 1.Qb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- B(j);N_GUARD::QAR1(F),XB(j)
- B(j);N_GUARD::QAR1(F)
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
- S(h);N_GUARD::QAB1(F)
- S(h);N_GUARD::QAB1(F),XS(h)
- P(i);N_GUARD::S(B)
- Tries
- Try
- K(G);S_FLIGHT
- Threat
- QAB(F)
- Vars
- S(b);N_GUARD::R1(A),XS(b)
- B(j);N_GUARD::QAR1(F)
- S(b);N_GUARD::R1(A)
- Refutation
- B(j);
- Try
- S(B);CHECK
- Vars
- S(b);XS(B)::R1(A)
- Refutation
- P(e);XS(B)
- Try
- S(B);
- Threat
- B(E)
- Vars
- K(f);N_GUARD,S_FLIGHT,XR(A)::S(C)
- B(j);OGATE,XS(B)::QAR1(F),XB(j)
- S(b);N_GUARD::R1(A),XS(b)
- S(b);N_GUARD::R1(A)
- Refutation
- S(h);
- Try
- S(B);
- Threat
- B(E)
- Vars
- S(b);N_GUARD::R1(A),XS(b)
- S(b);N_GUARD::R1(A)
- Refutation
- P(g);XS(B)
- Try
- B(D);XP(i)
- Threat
- S(C)
- Vars
- B(j);N_GUARD,XB(D)::QAR1(F)
- B(j);N_GUARD::QAR1(F),XB(j)
- S(b);N_GUARD::R1(A),XS(b)
- Refutation
- B(c);XS(B)
- Try
- Q(F);
- Threat
- DUALS(4)
- Vars
- S(b);N_GUARD::R1(A),XS(b)
- Refutation
- P(i);XQ(F)
- Try
- Q(F);
- Threat
- DUALS(4)
- Vars
- S(b);N_GUARD::R1(A),XS(b)
- Refutation
- B(j);XQ(F)
- Try
- Q(F);
- Threat
- S(C)
- Vars
- B(j);N_GUARD::QAR1(F),XB(j)
- S(b);N_GUARD::R1(A),XS(b)
- Refutation
- B(j);
- Try
- Q(F);
- Threat
- B(E)
- Vars
- S(b);N_GUARD::R1(A),XS(b)
- S(b);N_GUARD::R1(A)
- Refutation
- S(h);XQ(F)
- Try
- Actual
- Q(F);
- Threat
- S(C)
- Vars
- K(f);N_GUARD,S_FLIGHT,XR(A)::B(E)
- S(b);N_GUARD::R1(A),XS(b)
- B(j);OGATE::QAB(F)
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).