MESON Chess Problem Database
Problem Display
PID: 64739 (3r4/q7/2p1PpQ1/p3P3/RB2NkN1/4pp2/Kpr4P/1B4R1 w - - 0 1)
Rudenko, Valentin Fedorovich
Problem (Zagreb), 1981
#2
11 + 10
| 3752 | FIDE Album (1980-1982) | 1988 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Qxf6#
- 1...Rcd2
- 2.Qxf6#
- 1...Re2
- 2.Qxf6#
- 1...Rf2
- 2.Qxf6#
- 1...Rxh2
- 2.Qxf6#
- 1...Rc3
- 2.Qxf6#
- 1...Rc4
- 2.Qxf6#
- 1...Rc5
- 2.Qxf6#
- 1...Rc1
- Tries
- 1.Sef2?
- threat
- 2.Sh3#
- 2.Qxf6#
- 1...Rxf2
- 2.Qf5#
- 2.Qxf6#
- 2.Qh6#
- 1...exf2
- 2.Bd2#
- 1...fxe5
- 2.Sh3#
- 2.Qf6#
- 1...Qe7
- 2.Sh3#
- 1...Qf7
- 2.Sh3#
- 1...Qg7
- 2.Sh3#
- 1...Rf8
- 2.Sd3#
- 2.Sh3#
- 1...Rh8
- 2.Sd3#
- 2.Qxf6#
- 1...f5
- 2.Qh6#
- 1...Qh7!
- threat
- 1.Sg3?
- threat
- 2.Sh5#
- 2.Qf5#
- 1...Rxh2
- 2.Qf5#
- 1...f2
- 2.Qf5#
- 1...Rh8
- 2.Qf5#
- 1...f5
- 2.Qxf5#
- 1...Qh7!
- threat
- 1.Sd6?
- threat
- 2.Qf5#
- 2.Qxf6#
- 2.Qh6#
- 1...Rxh2
- 2.Bc5#
- 2.Qf5#
- 2.Qxf6#
- 1...fxe5
- 2.Qf5#
- 2.Qf6#
- 2.Qh6#
- 1...f2
- 2.Qf5#
- 2.Qxf6#
- 1...Qh7
- 2.Bc3#
- 1...Qe7
- 2.Bc3#
- 2.Qf5#
- 2.Qh6#
- 1...Qf7
- 2.Bc3#
- 2.Qf5#
- 2.Qh6#
- 1...Qg7
- 2.Bc3#
- 2.Qf5#
- 1...Rg2
- 2.Bc5#
- 2.Qf5#
- 1...Rf8
- 2.Qf5#
- 2.Qh6#
- 1...Rg8
- 2.Qf5#
- 2.Qxf6#
- 1...Rh8
- 2.Qf5#
- 2.Qxf6#
- 1...f5
- 2.Qxf5#
- 2.Qh6#
- 1...Rxd6!
- threat
- 1.Be1?
- threat
- 2.Bg3#
- 2.Qxf6#
- 1...fxe5
- 2.Bg3#
- 2.Qg5#
- 2.Qf6#
- 1...f2
- 2.Qxf6#
- 1...Qh7
- 2.Bg3#
- 1...Qd4
- 2.Bg3#
- 1...Qe7
- 2.Bg3#
- 1...Qf7
- 2.Bg3#
- 1...Qg7
- 2.Bg3#
- 1...Rf2
- 2.Qxf6#
- 1...Rd4
- 2.Bg3#
- 1...Rf8
- 2.Bg3#
- 1...f5
- 2.Bg3#
- 2.Qg5#
- 2.Qh6#
- 1...Rg2!
- threat
- 1.Bc5?
- threat
- 2.Qxf6#
- 1...fxe5
- 2.Qg5#
- 2.Qf6#
- 1...Qh7
- 2.Bxe3#
- 1...Qe7
- 2.Bxe3#
- 1...Qf7
- 2.Bxe3#
- 1...Qg7
- 2.Bxe3#
- 1...Rg2
- 2.Sd6#
- 1...Rf8
- 2.Sc3#
- 1...f5
- 2.Qg5#
- 2.Qh6#
- 1...Rd4!
- threat
- 1.Bd6?
- threat
- 2.Qxf6#
- 1...fxe5
- 2.Bxe5#
- 2.Qg5#
- 2.Qf6#
- 1...Qh7
- 2.Sc3#
- 1...Qe7
- 2.Sc3#
- 1...Qf7
- 2.Sc3#
- 1...Qg7
- 2.Sc3#
- 1...Rg2
- 2.Sc5#
- 1...Rf8
- 2.exf6#
- 1...f5
- 2.Qg5#
- 2.Qh6#
- 1...Qd4!
- threat
- 1.Sef2?
- Keys
- 1.Sc3!
- threat
- 2.Qxf6#
- 1...fxe5
- 2.Qf6#
- 1...Qe7
- 2.Bd6#
- 1...Qf7
- 2.Bd6#
- 1...Qg7
- 2.Bd6#
- 1...Qh7
- 2.Bd6#
- 1...Rg2
- 2.Qf5#
- 1...Rf8
- 2.Bc5#
- 1...f5
- 2.Qh6#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 8
- Sets
- R(b);::QAR2(K),XP(h)
- R(b);XP(D)::QAR2(K),XP(h)
- Tries
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- P(c);XS(G)::R(E)+B(F),DCHECK
- Q(i);::S(G)
- Q(i);P_PINP(J)::S(G)
- P(h);SBLOCK::QAB(K)
- Refutation
- Q(i);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(b);XP(D)::QAR1(K)
- P(d);::QAR1(K)
- R(j);::QAR1(K)
- P(h);::QAR1(K),XP(h)
- Refutation
- Q(i);
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- Q(i);N_GUARD::R(E)+B(F)
- Refutation
- R(j);XS(G)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- P(d);::QAR2(K),XP(h)
- Q(i);::B(F)
- Q(i);P_PINP(J)::B(F)
- R(b);::QAR2(K),XP(h)
- R(j);::B(F)
- Refutation
- R(b);
- Try
- B(F);
- Threat
- QAR2(K),XP(h)
- Vars
- Q(i);N_GUARD::B(F),XP(c)
- Q(i);N_GUARD,P_PINP(J)::B(F),XP(c)
- R(b);N_GUARD::R(E)+S(G)
- R(j);N_GUARD::R(E)+S(G)
- Refutation
- R(j);
- Try
- B(F);
- Threat
- QAR2(K),XP(h)
- Vars
- Q(i);N_GUARD::R(E)+S(G)
- Q(i);N_GUARD,P_PINP(J)::R(E)+S(G)
- R(b);N_GUARD::R(E)+S(G)
- R(j);N_GUARD::B(F)+P(I),XP(h)
- Refutation
- Q(i);
- Try
- Actual
- S(G);
- Threat
- QAR2(K),XP(h)
- Vars
- P(h);XP(I)::QAR2(K)
- Q(i);N_GUARD::R(E)+B(F)
- Q(i);N_GUARD,P_PINP(J)::R(E)+B(F)
- R(b);::QAR1(K)
- R(j);N_GUARD::R(E)+B(F)
- P(h);SBLOCK::QAB(K)
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).