MESON Chess Problem Database
Problem Display
PID: 124415 (7B/3N1n2/1rP3R1/RP1kN3/3r4/1P3P2/BKP3Q1/6b1 w - - 0 1)
Ugren, Ljubomir
Sahovski Glasnik, 1991
#2
13 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxb5
- 2.Rxb5#
- 1...Ra6
- 2.bxa6#
- 1...Rxc6
- 2.bxc6#
- 1...Rb7
- 2.b6#
- 1...Rb8
- 2.b6#
- 1...Rxb5
- Tries
- 1.Sxf7?
- threat
- 2.Rd6#
- 2.Qg5#
- 1...Rxc6
- 2.Qg5#
- 2.bxc6#
- 1...Re4
- 2.Rd6#
- 2.fxe4#
- 1...Rf4
- 2.Rd6#
- 1...Rg4
- 2.Rd6#
- 2.fxg4#
- 1...Be3
- 2.Rd6#
- 1...Bh2!
- threat
- 1.Sxf7?
- Keys
- 1.Sd3!
- threat
- 2.Sxb6#
- 1...Rxd3
- 2.c4#
- 1...Rxb5
- 2.Sb6#
- 2.Rxb5#
- 1...Rxc6
- 2.bxc6#
- 1...Ra4
- 2.bxa4#
- 1...Rb4
- 2.Sxb4#
- 1...Rc4
- 2.bxc4#
- 1...Re4
- 2.fxe4#
- 1...Rf4
- 2.Sxf4#
- 1...Rg4
- 2.fxg4#
- 1...Rh4
- 2.f4#
- 1...Ra6
- 2.bxa6#
- 1...Rb7
- 2.b6#
- 1...Rb8
- 2.b6#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 1
- Sets
- R(d);OGATE,P_PINP(E),P_SPINR(d),XP(H)::R(G),XR(d)
- R(d);OGATE::R(G)+P(H),XR(d)
- R(d);OGATE,XP(J)::R(G)+P(H),XR(d)
- R(d);OGATE::R(G)+P(H)
- Tries
- Try
- S(I);XS(e)
- Threat
- DUALS(2)
- Vars
- R(b);::R1(K)
- B(a);::R1(K)
- Refutation
- B(a);
- Try
- Actual
- S(I);
- Threat
- S(L),XR(d)
- Vars
- R(b);N_GUARD,XS(I)::P(C)
- R(d);OGATE,XP(J)::R(G)+P(H),XR(d)
- R(b);OGATE::B(A)+P(E),XR(b)
- R(b);N_GUARD,P_PINP(E)::S(I),XR(b)
- R(b);OGATE::P(E),XR(b)
- R(b);OGATE::P(F),XR(b)
- R(b);N_GUARD::S(I),XR(b)
- R(b);OGATE::QAB(D)+P(F),XR(b)
- R(b);N_GUARD::QAB(D)+P(F)
- R(d);OGATE::R(G)+P(H),XR(d)
- R(d);OGATE::R(G)+P(H)
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).