MESON Chess Problem Database
Problem Display
PID: 66956 (b7/4R3/N2pn3/1P1k2p1/2rB3b/1R2Q3/2p5/4nB1K w - - 0 1)
Vladimirov, Yakov Georgevich
4th Prize, Soyuz-Apollo, 1975
#2
8 + 9
| 15440 | Ukroshyenie Shakhmatnogo Pegasa (Vladimirov, YG) | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Rc3
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Rxd4
- 2.Qxe6#
- 1...Rc5
- 2.Sb4#
- 1...Rc6
- 2.Sb4#
- 1...Rc7
- 2.Sb4#
- 1...Rc8
- 2.Sb4#
- 1...Sg2
- 2.Bxg2#
- 1...Sd3
- 2.Bg2#
- 1...Sxd4
- 2.Qe4#
- 1...Sf4
- 2.Qe4#
- 1...Sc5
- 2.Sc7#
- 1...Sc7
- 2.Qe4#
- 1...Sg7
- 2.Qe4#
- 1...Sd8
- 2.Qe4#
- 1...Sf8
- 2.Qe4#
- 1...Rc3
- Tries
- 1.Sc7+?
- 1...Sxc7
- 2.Qe4#
- 1...Rxc7!
- 1...Sxc7
- 1.Bg2+?
- 1...Sf3
- 2.Bxf3#
- 1...Sxg2!
- 1...Sf3
- 1.Bd3?
- threat
- 2.Be4#
- 2.Qe4#
- 1...Rxd4
- 2.Qxe6#
- 1...Rc3
- 2.Sb4#
- 2.Qe4#
- 1...Ra4
- 2.Qe4#
- 1...Rb4
- 2.Sxb4#
- 2.Qe4#
- 1...Rc5
- 2.Sb4#
- 2.Qe4#
- 1...Rc6
- 2.Sb4#
- 2.Qe4#
- 1...Rc7
- 2.Sb4#
- 2.Qe4#
- 1...Rc8
- 2.Sb4#
- 2.Qe4#
- 1...Sc5
- 2.Sc7#
- 1...Sxd3!
- threat
- 1.Bh3?
- threat
- 2.Bxe6#
- 1...Sxd4
- 2.Qe4#
- 1...Sf4
- 2.Qe4#
- 1...Sc5
- 2.Sc7#
- 1...Sc7
- 2.Qe4#
- 1...Sg7
- 2.Qe4#
- 1...Sd8
- 2.Qe4#
- 1...Sf8
- 2.Qe4#
- 1...g4!
- threat
- 1.Bc5?
- threat
- 2.Qxe6#
- 1...Rxc5
- 2.Sb4#
- 1...Sxc5
- 2.Sc7#
- 1...dxc5
- 2.Rd7#
- 1...Sd4
- 2.Qe4#
- 1...Sf4
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...Sd8
- 2.Sc7#
- 1...Sf8
- 2.Sc7#
- 1...Re4!
- threat
- 1.Rc3?
- threat
- 2.Bxc4#
- 1...Rxc3
- 2.Sb4#
- 1...Rxd4
- 2.Qxe6#
- 1...Rb4
- 2.Sxb4#
- 1...Rc5
- 2.Sb4#
- 1...Rc6
- 2.Sb4#
- 1...Rc7
- 2.Sb4#
- 1...Rc8
- 2.Sb4#
- 1...Sd3
- 2.Bg2#
- 1...Ra4!
- threat
- 1.Sc7+?
- Keys
- 1.Rd3!
- threat
- 2.Qxe6#
- 1...Sxd3
- 2.Bg2#
- 1...Sxd4
- 2.Qe4#
- 2.Qe6#
- 1...Sf4
- 2.Qe4#
- 1...Sc5
- 2.Sc7#
- 1...Sc7
- 2.Qe4#
- 1...Sg7
- 2.Qe4#
- 1...Sd8
- 2.Qe4#
- 1...Sf8
- 2.Qe4#
- threat
- 1.Rd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- R(c);N_GUARD::S(G)
- R(c);N_GUARD::S(G),XR(c)
- R(c);SBLOCK,XB(E)::QAB1(D),XS(h)
- S(a);N_GUARD::B(A),XS(a)
- S(a);N_GUARD::B(A)
- S(h);XB(E)::QAB1(D)
- S(h);::QAB1(D)
- S(h);N_GUARD,S_CUTR(c)::S(G)
- Tries
- Try
- S(G);CHECK
- Vars
- S(h);XS(G)::QAB1(D)
- Refutation
- R(c);XS(G)
- Try
- B(A);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::B(A),XS(a)
- Refutation
- S(a);XB(A)
- Try
- B(A);
- Threat
- DUALS(2)
- Vars
- R(c);SBLOCK,XB(E)::QAB1(D),XS(h)
- R(c);::QAB1(D)
- S(h);N_GUARD,S_CUTR(c)::S(G)
- Refutation
- S(a);XB(A)
- Try
- B(A);
- Threat
- B(A),XS(h)
- Vars
- S(h);XB(E)::QAB1(D)
- S(h);::QAB1(D)
- S(h);N_GUARD,S_CUTR(c)::S(G)
- Refutation
- P(f);
- Try
- B(E);
- Threat
- QAB1(D),XS(h)
- Vars
- R(c);N_GUARD,XB(E)::S(G)
- S(h);N_GUARD,XB(E)::S(G)
- P(g);OGATEB,XB(E)::R(H)
- S(h);S_CUTR(c)::QAB1(D)
- S(h);N_GUARD::S(G)
- S(h);N_GUARD::S(G),XS(h)
- Refutation
- R(c);
- Try
- R(C);
- Threat
- B(A),XR(c)
- Vars
- R(c);N_GUARD,XR(C)::S(G)
- R(c);SBLOCK,XB(E)::QAB1(D),XS(h)
- R(c);N_GUARD::S(G),XR(c)
- R(c);N_GUARD::S(G)
- S(a);N_GUARD::B(A)
- Refutation
- R(c);
- Try
- Actual
- R(C);
- Threat
- QAB1(D),XS(h)
- Vars
- S(a);N_GUARD,XR(C)::B(A)
- S(h);::QAB1(D)
- S(h);N_GUARD,S_CUTR(c)::S(G)
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).