MESON Chess Problem Database
Problem Display
PID: 243737 (8/8/4R3/1K1k1B1p/7R/1pPrPp2/3n4/8 w - - 0 1)
Beck, Friedrich
Stern, 1984
#2
6 + 6
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxc3
- 2.Rd4#
- 1...Rxe3
- 2.Rd4#
- 1...Rd4
- 2.Rxd4#
- 1...Sb1
- 2.c4#
- 2.e4#
- 1...Sf1
- 2.c4#
- 2.e4#
- 1...Sc4
- 2.e4#
- 1...Se4
- 2.c4#
- 1...Rxc3
- Tries
- 1.Rc4?
- threat
- 2.Rc5#
- 1...Rxc3
- 2.Rd4#
- 1...Sxc4
- 2.e4#
- 1...Se4!
- threat
- 1.Rhe4?
- threat
- 2.R4e5#
- 1...Rxe3
- 2.Rd4#
- 1...Sxe4
- 2.c4#
- 1...Sc4!
- threat
- 1.Rxh5?
- threat
- 2.Bh3#
- 2.Bg4#
- 1...Sc4
- 2.e4#
- 1...Se4
- 2.c4#
- 1...Rxe3!
- threat
- 1.Rc4?
- Keys
- 1.Bh3!
- threat
- 2.Rxh5#
- 1...Rxe3
- 2.Rd4#
- 1...Sc4
- 2.e4#
- 1...Se4
- 2.c4#
- threat
- 1.Bh3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- R(c);N_GUARD,XP(A)::R1(C)
- R(c);N_GUARD,XP(B)::R1(C)
- R(c);N_GUARD::R1(C),XR(c)
- S(a);N_GUARD::P(B)
- S(a);N_GUARD::P(A)
- Tries
- Try
- R(C);
- Threat
- R1(C)
- Vars
- R(c);N_GUARD,XP(A)::R1(C)
- S(a);N_GUARD,XR(C)::P(B)
- Refutation
- S(a);
- Try
- R(C);
- Threat
- R1(C)
- Vars
- R(c);N_GUARD,XP(B)::R1(C)
- S(a);N_GUARD,XR(C)::P(A)
- Refutation
- S(a);
- Try
- R(C);XP(f)
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::P(B)
- S(a);N_GUARD::P(A)
- Refutation
- R(c);XP(B)
- Try
- Actual
- B(E);
- Threat
- R(C),XP(f)
- Vars
- R(c);N_GUARD,XP(B)::R1(C)
- S(a);N_GUARD::P(B)
- S(a);N_GUARD::P(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).