MESON Chess Problem Database
Problem Display
PID: 97016 (2b1N3/1pP2R2/1pn1k1P1/pP1Np2p/K3Q1r1/2p4B/2P1n3/8 w - - 0 1)
Dyummel, Fridrik
Problem (Zagreb), 1958
#2
10 + 11
| 6490 | yacpdb | 2009 |
| 133 | The Problemist Supplement | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bd7
- 2.Rf6#
- 1...Sc1
- 2.Sf4#
- 1...Sg1
- 2.Sf4#
- 1...Sg3
- 2.Sf4#
- 1...Sed4
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sb4
- 2.Re7#
- 1...Scd4
- 2.Re7#
- 1...Sa7
- 2.Re7#
- 1...Se7
- 2.Rxe7#
- 1...Sb8
- 2.Re7#
- 1...Sd8
- 2.Re7#
- 2.cxd8S#
- 1...h4
- 2.Bxg4#
- 1...Bd7
- Tries
- 1.Ka3?
- 1...Se7
- 2.Rxe7#
- 1...Bd7
- 2.Rf6#
- 1...Sc1
- 2.Sf4#
- 1...Sg1
- 2.Sf4#
- 1...Sg3
- 2.Sf4#
- 1...Sed4
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sb4
- 2.Re7#
- 1...Scd4
- 2.Re7#
- 1...Sa7
- 2.Re7#
- 1...Sb8
- 2.Re7#
- 1...Sd8
- 2.Re7#
- 2.cxd8S#
- 1...h4
- 2.Bxg4#
- 1...a4!
- 1...Se7
- 1.Se3?
- threat
- 2.Qc4#
- 1...Sed4
- 2.Qd5#
- 1...Sf4
- 2.Qf5#
- 1...Sb4
- 2.Qf5#
- 1...Scd4
- 2.Qd5#
- 1...Se7!
- threat
- 1.Rg7?
- 1...Se7
- 2.Rxe7#
- 1...Sc1
- 2.Sf4#
- 1...Sg1
- 2.Sf4#
- 1...Sg3
- 2.Sf4#
- 1...Sed4
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sb4
- 2.Re7#
- 1...Scd4
- 2.Re7#
- 1...Sa7
- 2.Re7#
- 1...Sb8
- 2.Re7#
- 1...Sd8
- 2.Re7#
- 2.cxd8S#
- 1...h4
- 2.Bxg4#
- 1...Bd7!
- 1...Se7
- 1.Rh7?
- 1...Se7
- 2.Rxe7#
- 1...Sc1
- 2.Sf4#
- 1...Sg1
- 2.Sf4#
- 1...Sg3
- 2.Sf4#
- 1...Sed4
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sb4
- 2.Re7#
- 1...Scd4
- 2.Re7#
- 1...Sa7
- 2.Re7#
- 1...Sb8
- 2.Re7#
- 1...Sd8
- 2.Re7#
- 2.cxd8S#
- 1...h4
- 2.Bxg4#
- 1...Bd7!
- 1...Se7
- 1.bxc6?
- threat
- 2.Rf6#
- 2.Re7#
- 1...bxc6
- 2.Re7#
- 1...b5+!
- threat
- 1.Ka3?
- Keys
- 1.Sxb6!
- threat
- 2.Qc4#
- 1...Sed4
- 2.Qd5#
- 1...Sf4
- 2.Qf5#
- 1...Sb4
- 2.Qf5#
- 1...Scd4
- 2.Qd5#
- 1...Se7
- 2.Rf6#
- threat
- 1.Sxb6!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 5
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- B(k);SBLOCK::R1(I)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD,N_PINQ(D)::S(F)
- S(a);N_GUARD,N_PINQ(D)::S(F),XS(a)
- S(h);N_GUARD,N_PINQ(D)::R1(I)
- S(h);N_GUARD::R1(I)
- S(h);N_GUARD::R1(I),XS(h)
- P(f);N_GUARD::B(B),XR(c)
- Tries
- Try
- K(C);N_SPINQ(D),P-FLIGHT
- Vars
- S(h);N_GUARD::R1(I),XS(h)
- B(k);SBLOCK::R1(I)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(h);N_GUARD::R1(I)
- P(f);N_GUARD::B(B),XR(c)
- Refutation
- P(d);
- Try
- S(F);
- Threat
- QAB(D)
- Vars
- S(a);N_PINQ(D)::QAB1(D)
- S(h);N_PINQ(D)::QAB1(D)
- Refutation
- S(h);
- Try
- R(I);
- Vars
- S(h);N_GUARD::R1(I),XS(h)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD,N_PINQ(D)::S(F)
- S(a);N_GUARD,N_PINQ(D)::S(F),XS(a)
- S(h);N_GUARD,N_PINQ(D)::R1(I)
- S(h);N_GUARD::R1(I)
- P(f);N_GUARD::B(B),XR(c)
- Refutation
- B(k);
- Try
- R(I);
- Vars
- S(h);N_GUARD::R1(I),XS(h)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD,N_PINQ(D)::S(F)
- S(a);N_GUARD,N_PINQ(D)::S(F),XS(a)
- S(h);N_GUARD,N_PINQ(D)::R1(I)
- S(h);N_GUARD::R1(I)
- P(f);N_GUARD::B(B),XR(c)
- Refutation
- B(k);
- Try
- P(E);XS(h)
- Threat
- DUALS(2)
- Vars
- P(j);XP(E)::R1(I)
- Refutation
- P(g);CHECK
- Try
- Actual
- S(F);XP(g)
- Threat
- QAB(D)
- Vars
- S(a);N_PINQ(D)::QAB1(D)
- S(h);N_PINQ(D)::QAB1(D)
- S(h);SBLOCK::R1(I)
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).