MESON Chess Problem Database
Problem Display
PID: 240481 (Kn4nB/p7/2NpN1R1/1B1k4/7r/3P1P2/rb5Q/8 w - - 0 1)
Pilchenko, Viacheslav Karlovich
Revista Romana de Sah, 1979
#2
9 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxh2
- 2.Sb4#
- 1...Rh3
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Rc4
- 2.dxc4#
- 1...Rd4
- 2.Qh5#
- 1...Re4
- 2.dxe4#
- 2.fxe4#
- 1...Rh5
- 2.Sb4#
- 1...Rh6
- 2.Sb4#
- 1...Rh7
- 2.Sb4#
- 1...Rxh8
- 2.Sb4#
- 1...Bd4
- 2.Sb4#
- 2.Qxa2#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Rxh2
- Tries
- 1.Bd4?
- threat
- 2.Sb4#
- 2.Sc7#
- 1...Rxd4
- 2.Qh5#
- 1...Bxd4
- 2.Sb4#
- 2.Qxa2#
- 1...Sxc6
- 2.Bc4#
- 1...Sf6
- 2.Sc7#
- 1...Ra4
- 2.Sc7#
- 1...Rh7
- 2.Sb4#
- 2.Sf4#
- 1...Ba3
- 2.Sc7#
- 2.Qxa2#
- 1...Bc3
- 2.Sc7#
- 2.Qxa2#
- 1...a5
- 2.Sc7#
- 1...Sa6!
- threat
- 1.Qg1?
- threat
- 2.Sc7#
- 1...Rd4
- 2.Qg5#
- 1...Rh7
- 2.Sb4#
- 2.Sf4#
- 1...Bd4
- 2.Sb4#
- 1...Sa6!
- threat
- 1.Qxh4?
- threat
- 2.Sb4#
- 2.Qc4#
- 2.Qe4#
- 1...Bxh8
- 2.Qc4#
- 2.Qe4#
- 1...Sxc6
- 2.Bc4#
- 2.Qc4#
- 2.Qe4#
- 1...Bf6
- 2.Qc4#
- 2.Qe4#
- 1...Sf6
- 2.Qc4#
- 1...Sa6
- 2.Qc4#
- 2.Qe4#
- 1...Ba3
- 2.Qg5#
- 2.Qc4#
- 2.Qd4#
- 2.Qe4#
- 2.Qh5#
- 1...Bc3
- 2.Qc4#
- 2.Qe4#
- 1...Bd4
- 2.Sb4#
- 2.Qxd4#
- 2.Qe4#
- 1...Bg7
- 2.Qc4#
- 2.Qe4#
- 1...a5
- 2.Qc4#
- 2.Qe4#
- 1...Ra4!
- threat
- 1.d4?
- threat
- 2.Sb4#
- 2.Sc7#
- 1...Rxd4
- 2.Qh5#
- 1...Bxd4
- 2.Sb4#
- 2.Qxa2#
- 1...Sxc6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Ra4
- 2.Sc7#
- 1...Rh7
- 2.Sb4#
- 2.Sf4#
- 1...Ba3
- 2.Sc7#
- 2.Qxa2#
- 1...Bc3
- 2.Sc7#
- 2.Qxa2#
- 1...a5
- 2.Sc7#
- 1...Sa6!
- threat
- 1.Bd4?
- Keys
- 1.Scd4!
- threat
- 2.Bc4#
- 2.Rg5#
- 1...Rxd4
- 2.Qh5#
- 1...Bxd4
- 2.Qxa2#
- 1...Ra4
- 2.Rg5#
- 1...Re4
- 2.Bc4#
- 2.dxe4#
- 2.fxe4#
- 1...Rf4
- 2.Bc4#
- 1...Rg4
- 2.Bc4#
- 1...Rh5
- 2.Bc4#
- 2.Qxh5#
- 1...Bc1
- 2.Bc4#
- 2.Qxa2#
- 1...Sc6
- 2.Bc4#
- 2.Bxc6#
- 1...Sd7
- 2.Bc4#
- 2.Bc6#
- 1...Sh6
- 2.Bc4#
- 1...Se7
- 2.Bc4#
- threat
- 1.Scd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- R(c);N_GUARD,XQ(A)::S(E)
- R(c);N_GUARD::S(E)
- R(c);N_GUARD::S(E),XR(c)
- R(c);OGATE::P(B),XR(c)
- R(c);OGATE::QAR(A)
- R(c);N_GUARD,XB(I)::S(E)
- S(h);N_GUARD::S(E)
- S(h);N_GUARD::S(E),XS(h)
- Tries
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- R(c);OGATE,XB(I)::QAR(A)
- S(g);SBLOCK,XS(E)::B(D)
- S(h);::S(F)
- R(a);::S(F)
- P(f);::S(F)
- Refutation
- S(g);
- Try
- Q(A);
- Threat
- S(F)
- Vars
- R(c);S_CUTB(b)::QAR(A)
- B(b);S_CUTR(c)::S(E)
- Refutation
- S(g);
- Try
- Q(A);XR(c)
- Threat
- DUALS(3)
- Vars
- S(h);::QAB1(A)
- Refutation
- R(a);
- Try
- P(B);
- Threat
- DUALS(2)
- Vars
- R(c);OGATE,XP(B)::QAR(A)
- S(g);XS(E)::S(F)
- S(h);::S(F)
- R(a);::S(F)
- P(f);::S(F)
- Refutation
- S(g);
- Try
- Actual
- S(E);
- Threat
- DUALS(2)
- Vars
- R(c);OGATE,XS(E)::QAR(A)
- B(b);OGATE,XS(E)::QAB(A),XR(a)
- R(a);::R(G)
- R(c);::B(D)
- S(h);::B(D)
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).