MESON Chess Problem Database
Problem Display
PID: 134854 (b7/5B1K/1qpB1R2/1r4pp/6kr/5N1p/7P/3R4 w - - 0 1)
Witt, Andreas
1st Prize, Die Schwalbe, 2008
#2
7 + 9
| 23 | Die Schwalbe | 2010 |
| 145 | StrateGems | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.Rxg1#
- 1...Qd4
- 2.Rxd4#
- 1...Qa5
- 2.Rg1#
- 2.Rd4#
- 1...Qc7
- 2.Rg1#
- 2.Rd4#
- 1...Qd8
- 2.Rg1#
- 2.Rd4#
- 1...Qa6
- 2.Rg1#
- 2.Rd4#
- 1...Qb7
- 2.Rg1#
- 2.Rd4#
- 1...Qb8
- 2.Rg1#
- 2.Rd4#
- 1...Rb1
- 2.Se5#
- 2.Be6#
- 1...Rb2
- 2.Se5#
- 2.Be6#
- 1...Rb3
- 2.Se5#
- 2.Be6#
- 1...Rb4
- 2.Se5#
- 2.Be6#
- 1...Rc5
- 2.Rg1#
- 2.Rd4#
- 1...Re5
- 2.Sxe5#
- 1...c5
- 2.Se5#
- 2.Be6#
- 2.Rg1#
- 1...Qg1
- Tries
- 1.Be5?
- threat
- 2.Be6#
- 1...Rxe5
- 2.Sxe5#
- 1...Qc7
- 2.Rg1#
- 2.Rd4#
- 1...Qb7
- 2.Rg1#
- 2.Rd4#
- 1...c5
- 2.Rg1#
- 1...Qa7!
- threat
- 1.Be5?
- Keys
- 1.Sd4!
- threat
- 2.Rg1#
- 1...Qxd4
- 2.Rxd4#
- 1...Rb1
- 2.Be6#
- 1...Rb2
- 2.Be6#
- 1...Rb3
- 2.Be6#
- 1...c5
- 2.Be6#
- threat
- 1.Sd4!
This is a version
Version by Klaus Foerster.
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- Q(g);N_GUARD::R(A),XQ(g)
- R(d);N_GUARD::S(C),XR(d)
- Tries
- Try
- B(D);
- Threat
- B(F)
- Vars
- R(d);XB(D)::S(C),XR(d)
- P(h);S_CUTQ(g)::R(A)
- Refutation
- Q(g);P_PINB(F)
- Try
- Actual
- S(C);
- Threat
- R(A)
- Vars
- Q(g);OGATE,XS(C)::R(A),XQ(g)
- R(d);N_GUARD::B(F)
- P(h);S_CUTR(d)::B(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).