MESON Chess Problem Database
Problem Display
PID: 108962 (8/2pK4/2N5/1nBk4/R7/3P1N2/1r2r3/2R5 w - - 0 1)
Mirri, Giorgio
Telescacco 92, 1999
#2
7 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Sb4#
- 1...Rbd2
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Red2
- 2.Se7#
- 1...Rf2
- 2.Se7#
- 1...Rg2
- 2.Se7#
- 1...Rh2
- 2.Se7#
- 1...Re4
- 2.dxe4#
- 1...Re7+
- 2.Sxe7#
- 1...Sa3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sd6
- 2.Rd4#
- 1...Sa7
- 2.Rd4#
- 1...Ra2
- Tries
- 1.Ba3?
- threat
- 2.Rc5#
- 1...Re7+
- 2.Sxe7#
- 1...Sxa3
- 2.Rd4#
- 1...Rb4
- 2.Sxb4#
- 1...Rec2
- 2.Se7#
- 1...Sc3
- 2.Rd4#
- 1...Rbc2!
- threat
- 1.Be3?
- threat
- 2.Se7#
- 2.Rc5#
- 1...Rbc2
- 2.Sb4#
- 2.Se7#
- 1...Rec2
- 2.Se7#
- 1...Sc3
- 2.Se7#
- 1...Sd4
- 2.Se7#
- 2.Rxd4#
- 1...Rxe3!
- threat
- 1.Bd4?
- threat
- 2.Rc5#
- 1...Re7+
- 2.Sxe7#
- 1...Sxd4
- 2.Rxd4#
- 1...Rbc2
- 2.Sb4#
- 1...Rec2
- 2.Se7#
- 1...Sc3!
- threat
- 1.Bb6?
- threat
- 2.Rc5#
- 1...Re7+
- 2.Sxe7#
- 1...Sc3
- 2.Rd4#
- 1...Rbc2
- 2.Sb4#
- 1...Rec2
- 2.Se7#
- 1...cxb6!
- threat
- 1.Bd6?
- threat
- 2.Rc5#
- 1...Re7+
- 2.Sxe7#
- 1...Sxd6
- 2.Rd4#
- 1...Sc3
- 2.Rd4#
- 1...Rbc2
- 2.Sb4#
- 1...Rec2
- 2.Se7#
- 1...cxd6!
- threat
- 1.Be7?
- threat
- 2.Rc5#
- 1...Rxe7+
- 2.Sxe7#
- 1...Sc3
- 2.Rd4#
- 1...Rbc2
- 2.Sb4#
- 1...Sd6
- 2.Rd4#
- 1...Rec2!
- threat
- 1.Bf8?
- threat
- 2.Rc5#
- 1...Re7+
- 2.Sxe7#
- 1...Sc3
- 2.Rd4#
- 1...Rbc2
- 2.Sb4#
- 1...Sd6
- 2.Rd4#
- 1...Rec2!
- threat
- 1.Ba3?
- Keys
- 1.Ba7!
- threat
- 2.Rc5#
- 1...Re7+
- 2.Sxe7#
- 1...Sxa7
- 2.Rd4#
- 1...Sc3
- 2.Rd4#
- 1...Rbc2
- 2.Sb4#
- 1...Rec2
- 2.Se7#
- threat
- 1.Ba7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 11
- Sets
- R(a);N_GUARD::S(F)
- R(a);N_GUARD::S(F),XR(a)
- R(b);N_GUARD::S(F)
- R(b);OGATE::P(B),XR(b)
- R(b);CHECK,N_GUARD::S(F),XR(b)
- S(c);N_GUARD::R1(D)
- S(c);N_GUARD::R1(D),XS(c)
- Tries
- Try
- B(E);
- Threat
- R1(A)
- Vars
- R(b);CHECK,N_GUARD::S(F),XR(b)
- S(c);N_GUARD,XB(E)::R1(D)
- R(a);N_GUARD::S(F),XR(a)
- R(b);N_GUARD::S(F)
- S(c);N_GUARD::R1(D)
- Refutation
- R(a);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(b);::S(F)
- S(c);::S(F)
- Refutation
- R(b);XB(E)
- Try
- B(E);
- Threat
- R1(A)
- Vars
- R(b);CHECK,N_GUARD::S(F),XR(b)
- S(c);OGATE,XB(E)::R1(D),XS(c)
- R(a);N_GUARD::S(F)
- R(b);N_GUARD::S(F)
- Refutation
- S(c);
- Try
- B(E);
- Threat
- R1(A)
- Vars
- R(b);CHECK,N_GUARD::S(F),XR(b)
- S(c);N_GUARD::R1(D)
- R(a);N_GUARD::S(F)
- R(b);N_GUARD::S(F)
- Refutation
- P(e);XB(E)
- Try
- B(E);
- Threat
- R1(A)
- Vars
- R(b);CHECK,N_GUARD::S(F),XR(b)
- S(c);N_GUARD,XB(E)::R1(D)
- S(c);N_GUARD::R1(D)
- R(a);N_GUARD::S(F)
- R(b);N_GUARD::S(F)
- Refutation
- P(e);XB(E)
- Try
- B(E);
- Threat
- R1(A)
- Vars
- R(b);CHECK,XB(E)::S(F),XR(b)
- S(c);N_GUARD::R1(D)
- R(a);N_GUARD::S(F)
- Refutation
- R(b);
- Try
- B(E);
- Threat
- R1(A)
- Vars
- R(b);CHECK,N_GUARD::S(F),XR(b)
- S(c);N_GUARD::R1(D)
- R(a);N_GUARD::S(F)
- Refutation
- R(b);
- Try
- Actual
- B(E);
- Threat
- R1(A)
- Vars
- R(b);CHECK,N_GUARD::S(F),XR(b)
- S(c);N_GUARD,XB(E)::R1(D)
- S(c);N_GUARD::R1(D)
- R(a);N_GUARD::S(F)
- R(b);N_GUARD::S(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).