MESON Chess Problem Database
Problem Display
PID: 264188 (8/K1p5/8/2pr4/1kP1b1Q1/R1R2p2/p7/4N3 w - - 0 1)
Hjelle, David
Tijdschrift vd KNSB, 1956
#2
6 + 7
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rd3
- 2.Sc2#
- 1...Bb1
- 2.Rcb3#
- 1...Bc2
- 2.Sxc2#
- 1...Bd3
- 2.Rcb3#
- 1...Bf5
- 2.Rcb3#
- 1...Bg6
- 2.Rcb3#
- 1...Bh7
- 2.Rcb3#
- 1...Rd3
- Tries
- 1.Sd3+?
- 1...Bxd3
- 2.Rcb3#
- 1...Rxd3!
- 1...Bxd3
- 1.Qd7?
- threat
- 2.Qa4#
- 2.Qb5#
- 1...Bc2
- 2.Sxc2#
- 2.Qb5#
- 1...c6
- 2.Qb7#
- 1...Rxd7!
- threat
- 1.Qxe4?
- threat
- 2.Sc2#
- 2.Rcb3#
- 1...Rd2
- 2.Rcb3#
- 2.Qb7#
- 1...Rd3
- 2.Sc2#
- 2.Sxd3#
- 2.Qb7#
- 1...Rd4
- 2.Sc2#
- 2.Qb7#
- 1...a1S!
- threat
- 1.Sd3+?
- Keys
- 1.Qg8!
- threat
- 2.Qb8#
- 1...Rd1
- 2.Rcb3#
- 1...Rd2
- 2.Rcb3#
- 1...Rd3
- 2.Sc2#
- 1...Rd4
- 2.Rcb3#
- 1...Re5
- 2.Rcb3#
- 1...Rf5
- 2.Rcb3#
- 1...Rg5
- 2.Rcb3#
- 1...Rh5
- 2.Rcb3#
- 1...Rd6
- 2.Rcb3#
- 1...Rd7
- 2.Rcb3#
- 1...Rd8
- 2.Rcb3#
- threat
- 1.Qg8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 6
- Sets
- R(f);S_CUTB(d)::S(A)
- B(d);::R1(C)
- B(d);N_GUARD::S(A),XB(d)
- Tries
- Try
- S(A);CHECK
- Vars
- B(d);XS(A)::R1(C)
- Refutation
- R(f);XS(A)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- P(g);OGATE::QAR(E)
- Refutation
- R(f);XQ(E)
- Try
- Q(E);XB(d)
- Threat
- DUALS(2)
- Refutation
- P(a);
- Try
- Actual
- Q(E);
- Threat
- QAR(E)
- Vars
- R(f);::R1(C)
- R(f);S_CUTB(d)::S(A)
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).