MESON Chess Problem Database
Problem Display
PID: 37899 (3r4/1pBn2p1/5pB1/1R1N1n1q/p2k2r1/Kp1P3p/4Q3/1N6 w - - 0 1)
Zelepukhin, Nikolai Pavlovich
2nd Prize, Ajedrez Argentino, 1955
#2
8 + 12
| 3105 | FIDE Album (1945-1955) | 1964 |
| 6004 | Henk Hagedoorn Solving Ty. | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Qe4#
- 1...Rg2
- 2.Qe4#
- 1...Rg3
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Rg5
- 2.Qe4#
- 1...Rxg6
- 2.Qe4#
- 1...Se3
- 2.Qb2#
- 2.Qxe3#
- 1...Sg3
- 2.Qb2#
- 2.Qf2#
- 2.Qe3#
- 1...Sh4
- 2.Qb2#
- 2.Qf2#
- 2.Qe3#
- 1...Sd6
- 2.Qb2#
- 2.Qe3#
- 1...Sh6
- 2.Qb2#
- 2.Qf2#
- 2.Qe3#
- 1...Se7
- 2.Qb2#
- 2.Qf2#
- 2.Qe3#
- 1...Se5
- 2.Bb6#
- 1...Sb6
- 2.Bxb6#
- 1...Sb8
- 2.Bb6#
- 1...Sf8
- 2.Bb6#
- 1...Rg1
- Tries
- 1.Sdc3?
- threat
- 2.Rd5#
- 1...Sg3
- 2.Qf2#
- 1...Sh4
- 2.Qf2#
- 1...Sd6
- 2.Qf2#
- 1...Sh6
- 2.Qf2#
- 1...Se7
- 2.Qf2#
- 1...Sc5
- 2.Rb4#
- 1...Se5
- 2.Bb6#
- 1...Sb6
- 2.Bxb6#
- 1...Sb8
- 2.Bb6#
- 1...Sf8
- 2.Bb6#
- 1...Se3!
- threat
- 1.Sb4?
- threat
- 2.Rd5#
- 1...Se3
- 2.Qb2#
- 1...Sg3
- 2.Qf2#
- 1...Sh4
- 2.Qf2#
- 1...Sd6
- 2.Qf2#
- 1...Sh6
- 2.Qf2#
- 1...Se7
- 2.Qf2#
- 1...Se5
- 2.Bb6#
- 1...Sb6
- 2.Bxb6#
- 1...Sb8
- 2.Bb6#
- 1...Sf8
- 2.Bb6#
- 1...Sc5!
- threat
- 1.Sf4?
- threat
- 2.Se6#
- 2.Rd5#
- 2.Qe4#
- 1...Re8
- 2.Rd5#
- 1...Se3
- 2.Se6#
- 2.Qb2#
- 1...Sg3
- 2.Se6#
- 2.Qf2#
- 1...Sh4
- 2.Se6#
- 2.Qf2#
- 2.Qe4#
- 1...Sd6
- 2.Se6#
- 2.Qf2#
- 1...Sh6
- 2.Se6#
- 2.Qf2#
- 2.Qe4#
- 1...Se7
- 2.Se6#
- 2.Qf2#
- 2.Qe4#
- 1...Sc5
- 2.Rb4#
- 1...Se5
- 2.Se6#
- 2.Bb6#
- 2.Qe4#
- 1...Sb6
- 2.Se6#
- 2.Bxb6#
- 2.Qe4#
- 1...Sb8
- 2.Se6#
- 2.Bb6#
- 2.Qe4#
- 1...Sf8
- 2.Bb6#
- 2.Qe4#
- 1...Rxf4!
- threat
- 1.Sxf6?
- threat
- 2.Rd5#
- 1...Sxf6
- 2.Be5#
- 2.Bb6#
- 1...Se3
- 2.Qb2#
- 1...Sg3
- 2.Qf2#
- 1...Sh4
- 2.Qf2#
- 1...Sd6
- 2.Qf2#
- 1...Sh6
- 2.Qf2#
- 1...Se7
- 2.Qf2#
- 1...Sc5
- 2.Be5#
- 2.Rb4#
- 1...Se5
- 2.Bxe5#
- 2.Bb6#
- 1...Sb6
- 2.Be5#
- 2.Bxb6#
- 1...Sb8
- 2.Be5#
- 2.Bb6#
- 1...Sf8
- 2.Be5#
- 2.Bb6#
- 1...gxf6!
- threat
- 1.Bxf5?
- threat
- 2.Qb2#
- 2.Qf2#
- 2.Qe3#
- 1...Qxf5
- 2.Qe3#
- 1...Qe8
- 2.Qb2#
- 1...Qh4
- 2.Qb2#
- 2.Qe3#
- 1...Qg5
- 2.Qb2#
- 1...Qh6
- 2.Qb2#
- 1...Rg2
- 2.Qe3#
- 2.Qe4#
- 1...Rg3
- 2.Qb2#
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Rf4
- 2.Qb2#
- 2.Qe3#
- 1...Re8
- 2.Qb2#
- 1...b2
- 2.Qxb2#
- 2.Qf2#
- 2.Qe3#
- 1...Sc5!
- threat
- 1.Qc2?
- threat
- 2.Qc3#
- 2.Qc4#
- 1...Sd6
- 2.Qb2#
- 2.Qc3#
- 1...Sc5
- 2.Qc4#
- 1...Se3
- 2.Qb2#
- 2.Qc3#
- 1...Se5
- 2.Bb6#
- 2.Qc3#
- 1...Sb6
- 2.Qc3#
- 1...bxc2!
- threat
- 1.Qf2+?
- 1...Se3
- 2.Qxe3#
- 2.Qb2#
- 1...Kxd3!
- 1...Se3
- 1.Sdc3?
- Keys
- 1.Se7!
- threat
- 2.Rd5#
- 1...Sxe7
- 2.Qf2#
- 1...Se3
- 2.Qb2#
- 1...Sg3
- 2.Qf2#
- 1...Sh4
- 2.Qf2#
- 1...Sd6
- 2.Qf2#
- 1...Sh6
- 2.Qf2#
- 1...Sc5
- 2.Rb4#
- 1...Se5
- 2.Bb6#
- 1...Sb6
- 2.Bxb6#
- 1...Sb8
- 2.Bb6#
- 1...Sf8
- 2.Bb6#
- threat
- 1.Se7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 6
- Sets
- R(e);N_GUARD::QAR1(B)
- R(e);N_GUARD::QAR1(B),XR(e)
- R(e);N_GUARD,XB(G)::QAR1(B)
- S(j);N_GUARD::B(H)
- S(j);N_GUARD::B(H),XS(j)
- Tries
- Try
- S(F);
- Threat
- R1(E)
- Vars
- S(f);N_GUARD::QAB(B)
- S(j);SBLOCK::R(E)
- S(j);N_GUARD::B(H)
- S(j);N_GUARD::B(H),XS(j)
- Refutation
- S(f);
- Try
- S(F);
- Threat
- R1(E)
- Vars
- S(f);SBLOCK::QAB(B)
- S(f);N_GUARD::QAB(B)
- S(j);N_GUARD::B(H)
- S(j);N_GUARD::B(H),XS(j)
- Refutation
- S(j);
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- R(l);::R1(E)
- S(j);SBLOCK::R(E)
- Refutation
- R(e);XS(F)
- Try
- S(F);XP(h)
- Threat
- R1(E)
- Vars
- S(f);SBLOCK::QAB(B)
- S(f);N_GUARD::QAB(B)
- Refutation
- P(k);XS(F)
- Try
- B(G);XS(f)
- Threat
- DUALS(3)
- Vars
- Q(g);XB(G)::QAB1(B)
- Q(g);::QAB(B)
- R(e);N_GUARD::QAR1(B),XR(e)
- R(l);::QAB(B)
- Refutation
- S(j);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(j);::QAR1(B)
- S(j);::QAB1(B)
- Refutation
- P(a);XQ(B)
- Try
- Q(B);CHECK
- Refutation
- K(d);P-FLIGHT,P_SPINS(f),XP(D)
- Try
- Actual
- S(F);
- Threat
- R1(E)
- Vars
- S(f);N_GUARD,XS(F)::QAB(B)
- S(f);SBLOCK::QAB(B)
- S(f);N_GUARD::QAB(B)
- S(j);SBLOCK::R(E)
- S(j);N_GUARD::B(H)
- S(j);N_GUARD::B(H),XS(j)
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).