MESON Chess Problem Database
Problem Display
PID: 58842 (2n5/2rpBQ1K/2R2NpN/4k3/r5Rb/3BP3/bqP5/8 w - - 0 1)
Dyummel, Fridrik
Rukhlis, Efim Naumovich
2nd Prize, Magyar Sakkelet, 1965
#2
10 + 9
| 3772 | FIDE Album (1965-1967) | 1976 |
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Re4#
- 1...Rc4
- 2.Qd5#
- 1...Re4
- 2.Rxe4#
- 1...Rxg4
- 2.Sfxg4#
- 2.Shxg4#
- 1...Ra5
- 2.Re4#
- 1...Ra6
- 2.Re4#
- 1...Raa7
- 2.Re4#
- 1...Ra8
- 2.Re4#
- 1...Rxc6
- 2.Sxd7#
- 1...Bb1
- 2.Qd5#
- 1...Bc4
- 2.Re4#
- 1...Bd5
- 2.Qxd5#
- 1...Bxf7
- 2.Sxf7#
- 1...Be1
- 2.Rg5#
- 1...Bf2
- 2.Rg5#
- 1...Bg3
- 2.Rg5#
- 1...Bg5
- 2.Rxg5#
- 1...Bxf6
- 2.Bxf6#
- 1...Sb6
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Sa7
- 2.Bd6#
- 1...d5
- 2.Re6#
- 2.Qe6#
- 1...Ra3
- Tries
- 1.Rgc4?
- threat
- 2.Sfg4#
- 2.Shg4#
- 2.Qd5#
- 1...Rxc4
- 2.Qd5#
- 1...Bxc4
- 2.Sfg4#
- 2.Shg4#
- 1...Bxf6
- 2.Sg4#
- 2.Bxf6#
- 1...Sxe7
- 2.Sfg4#
- 2.Shg4#
- 2.Qxe7#
- 1...dxc6
- 2.Sfg4#
- 2.Shg4#
- 1...Qb5
- 2.Sfg4#
- 2.Shg4#
- 1...Ra5
- 2.Sfg4#
- 2.Shg4#
- 2.Re4#
- 1...Sb6
- 2.Sfg4#
- 2.Shg4#
- 2.Bd6#
- 1...d5
- 2.Sfg4#
- 2.Shg4#
- 2.Re6#
- 2.Qxd5#
- 2.Qe6#
- 1...Qd4!
- threat
- 1.Rcc4?
- threat
- 2.Rge4#
- 2.Qd5#
- 1...Raxc4
- 2.Qd5#
- 1...Rcxc4
- 2.Sxd7#
- 2.Qd5#
- 1...Bxc4
- 2.Re4#
- 1...Bxf6
- 2.Rge4#
- 1...Sxe7
- 2.Qxe7#
- 1...Qd4
- 2.exd4#
- 1...Qb5
- 2.Rge4#
- 1...Ra5
- 2.Rce4#
- 2.Rge4#
- 1...Rc5
- 2.Sxd7#
- 2.Rge4#
- 1...Sb6
- 2.Rge4#
- 1...Sd6
- 2.Qd5#
- 1...d5
- 2.Qxd5#
- 1...Qb7!
- threat
- 1.Rc5+?
- 1...Rxc5
- 2.Sxd7#
- 1...Bd5
- 2.Rxd5#
- 2.Qxd5#
- 1...d5!
- 1...Rxc5
- 1.Qc4?
- threat
- 2.Sf7#
- 2.Re4#
- 1...Rxc4
- 2.Sf7#
- 1...Bxc4
- 2.Re4#
- 1...Qd4
- 2.Sf7#
- 2.exd4#
- 1...d5
- 2.Sf7#
- 1...Sd6!
- threat
- 1.Qe6+?
- 1...dxe6
- 2.Sf7#
- 1...Bxe6!
- 1...dxe6
- 1.c4?
- threat
- 2.Re4#
- 2.Qd5#
- 1...Rxc4
- 2.Qd5#
- 1...Bxc4
- 2.Re4#
- 1...Sxe7
- 2.Re4#
- 2.Qxe7#
- 1...dxc6
- 2.Re4#
- 1...Qd4
- 2.exd4#
- 1...Qb5
- 2.Re4#
- 1...Ra5
- 2.Re4#
- 1...Sb6
- 2.Bd6#
- 2.Re4#
- 1...Sd6
- 2.Bxd6#
- 2.Qd5#
- 1...d5
- 2.Re6#
- 2.Qxd5#
- 2.Qe6#
- 1...Qg2!
- threat
- 1.Rgc4?
- Keys
- 1.Bc4!
- threat
- 2.Re4#
- 2.Qd5#
- 1...Qxc2
- 2.Qd5#
- 1...Rxc4
- 2.Qd5#
- 1...Bxc4
- 2.Re4#
- 1...Bxf6
- 2.Bxf6#
- 2.Qd5#
- 2.Qxf6#
- 1...Sxe7
- 2.Re4#
- 2.Qxe7#
- 1...dxc6
- 2.Re4#
- 2.Qe6#
- 1...Qd4
- 2.exd4#
- 1...Qb5
- 2.Re4#
- 1...Ra5
- 2.Re4#
- 1...Sb6
- 2.Bd6#
- 2.Re4#
- 1...Sd6
- 2.Bxd6#
- 2.Qd5#
- 1...d5
- 2.Re6#
- 2.Qxd5#
- 2.Qe6#
- threat
- 1.Bc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 17
- Sets
- R(c);N_GUARD::R1(D)
- R(c);S_CUTB(a)::QAR1(I)
- R(c);N_GUARD::R1(D),XR(c)
- R(g);N_GUARD,XR(E)::S(F),XP(h)
- B(a);N_GUARD::QAR1(I)
- B(a);S_CUTR(c)::R1(D)
- B(a);N_GUARD::QAR1(I),XB(a)
- B(a);XQ(I)::S(G),XB(a)
- B(d);N_GUARD::R(D)
- B(d);N_GUARD::R(D),XB(d)
- B(d);OGATE,XS(F)::B(H),XB(d)
- S(i);N_GUARD::B(H)
- S(i);N_GUARD::B(H),XS(i)
- Tries
- Try
- R(D);
- Threat
- DUALS(3)
- Vars
- R(c);XR(D)::QAR1(I)
- Refutation
- Q(b);
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- R(c);XR(E)::QAR1(I)
- B(a);XR(E)::R1(D)
- B(d);XS(F)::R1(D)
- S(i);OGATE,XB(H)::QAR2(I),XS(i)
- Q(b);OGATE::P(C),XQ(b)
- Q(b);::R1(D)
- S(i);::R1(D)
- S(i);::QAR1(I)
- P(h);::QAR1(I),XP(h)
- Refutation
- Q(b);
- Try
- R(E);CHECK
- Vars
- R(g);XR(E)::S(F),XP(h)
- Refutation
- P(h);P_SPINP(h)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(c);XQ(I)::S(G)
- B(a);XQ(I)::R1(D)
- P(h);P_PINB(H)::S(G)
- Refutation
- S(i);
- Try
- Q(I);CHECK
- Vars
- P(h);P_PINB(H),XQ(I)::S(G)
- Refutation
- B(a);XQ(I)
- Try
- P(A);
- Threat
- DUALS(2)
- Vars
- R(c);XP(A)::QAR1(I)
- B(a);XP(A)::R1(D)
- P(h);XR(E)::R1(D)
- Q(b);OGATE::P(C),XQ(b)
- Q(b);::R1(D)
- R(c);::R1(D)
- Refutation
- Q(b);
- Try
- Actual
- B(B);
- Threat
- DUALS(2)
- Vars
- Q(b);XP(A)::QAR1(I)
- R(c);XB(B)::QAR1(I)
- B(a);XB(B)::R1(D)
- Q(b);OGATE::P(C),XQ(b)
- Q(b);::R1(D)
- R(c);::R1(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).