MESON Chess Problem Database
Problem Display
PID: 119840 (8/6b1/8/2Q3R1/1n1r3k/3p2NP/3K3p/6N1 w - - 0 1)
Borak, J
Svobodne Slovo, 1952
#2
6 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rg4
- 2.Rxg4#
- 1...Rd5
- 2.Rg4#
- 1...Rd6
- 2.Rg4#
- 1...Rd7
- 2.Rg4#
- 1...Rd8
- 2.Rg4#
- 1...Rg4
- Tries
- 1.Rxg7?
- threat
- 2.Qxd4#
- 2.Qe7#
- 2.Qg5#
- 2.Qh5#
- 1...hxg1Q
- 2.Qh5#
- 1...hxg1S
- 2.Qh5#
- 1...hxg1B
- 2.Qh5#
- 1...hxg1R
- 2.Qh5#
- 1...Rg4
- 2.Rxg4#
- 1...h1Q
- 2.Qe7#
- 2.Qg5#
- 2.Qh5#
- 1...h1B
- 2.Qe7#
- 2.Qg5#
- 2.Qh5#
- 1...Rc4
- 2.Qe7#
- 2.Qxc4#
- 2.Qg5#
- 2.Qh5#
- 1...Re4
- 2.Qg5#
- 2.Qh5#
- 1...Rf4
- 2.Qg5#
- 2.Qh5#
- 1...Rd5
- 2.Rg4#
- 1...Rd6
- 2.Rg4#
- 2.Qg5#
- 2.Qh5#
- 1...Rd7
- 2.Rg4#
- 2.Qg5#
- 2.Qh5#
- 1...Rd8
- 2.Rg4#
- 2.Qe7#
- 2.Qg5#
- 2.Qh5#
- 1...Sc2
- 2.Qe7#
- 2.Qg5#
- 2.Qh5#
- 1...Sc6
- 2.Qg5#
- 2.Qh5#
- 1...Sd5!
- threat
- 1.Qxd4+?
- 1...Bxd4
- 2.Rg4#
- 1...Kxg5!
- 1...Bxd4
- 1.Rxg7?
- Keys
- 1.Qd6!
- threat
- 2.Rh5#
- 1...Kxg5
- 2.Sf3#
- 1...Rxd6
- 2.Rg4#
- 1...Be5
- 2.Qh6#
- 1...Rf4
- 2.Qxf4#
- 1...Rd5
- 2.Rg4#
- 2.Qf4#
- 1...Bh6
- 2.Qxh6#
- threat
- 1.Qd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 4
- Sets
- R(d);N_GUARD::R1(F),XR(d)
- R(d);N_GUARD::R1(F)
- Tries
- Try
- R(F);XB(f)
- Threat
- DUALS(4)
- Vars
- P(a);XS(A)::QAR1(E)
- R(d);N_GUARD::R1(F),XR(d)
- R(d);N_GUARD::R1(F)
- Refutation
- S(c);
- Try
- Q(E);CHECK,XR(d)
- Vars
- B(f);XQ(E)::R1(F)
- Refutation
- K(e);S_FLIGHT,XR(F)
- Try
- Actual
- Q(E);
- Threat
- R1(F)
- Vars
- K(e);S_FLIGHT,XR(F)::S(A)
- R(d);N_GUARD,XQ(E)::R1(F)
- B(f);N_GUARD::QAR2(E)
- R(d);N_GUARD::QAR2(E),XR(d)
- B(f);N_GUARD,P_PINR(F)::QAR2(E),XB(f)
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).