MESON Chess Problem Database
Problem Display
PID: 212403 (1r6/2N5/1p1N4/kbp4Q/8/K4n2/8/8 w - - 0 1)
Overath, Lothar
Badische Neueste Nachrichten, 1977
#2
4 + 6
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rb7
- 2.Sxb7#
- 1...Ra8
- 2.Sb7#
- 1...Rc8
- 2.Sb7#
- 1...Rd8
- 2.Sb7#
- 1...Re8
- 2.Sb7#
- 1...Rf8
- 2.Sb7#
- 1...Rg8
- 2.Sb7#
- 1...Rh8
- 2.Sb7#
- 1...Ba4
- 2.Sc4#
- 1...Bc4
- 2.Sxc4#
- 1...Bc6
- 2.Sc4#
- 1...Bd7
- 2.Sc4#
- 1...Be8
- 2.Sc4#
- 1...c4
- 2.Sxc4#
- 2.Qxb5#
- 1...Rb7
- Tries
- 1.Qxc5?
- threat
- 2.Sc4#
- 2.Qb4#
- 2.Qc3#
- 2.Qxb5#
- 1...Sd2
- 2.Qb4#
- 2.Qc3#
- 2.Qxb5#
- 1...Sd4
- 2.Sc4#
- 2.Qb4#
- 2.Qc3#
- 1...Se5
- 2.Qb4#
- 2.Qc3#
- 2.Qxb5#
- 1...bxc5!
- threat
- 1.Qe5?
- threat
- 2.Qc3#
- 1...Sd4
- 2.Qe1#
- 1...Sxe5!
- threat
- 1.Qxc5?
- Keys
- 1.Qe8!
- threat
- 2.Qxb5#
- 1...Rxe8
- 2.Sb7#
- 1...Bxe8
- 2.Sc4#
- 1...Bf1
- 2.Qa4#
- 1...Be2
- 2.Qa4#
- 1...Bd3
- 2.Qa4#
- 1...Ba4
- 2.Sc4#
- 2.Qxa4#
- 1...Bc4
- 2.Sxc4#
- 2.Qa4#
- 1...Ba6
- 2.Qa4#
- 1...Bc6
- 2.Sc4#
- 1...Bd7
- 2.Sc4#
- 1...Sd4
- 2.Qe1#
- threat
- 1.Qe8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 9
- Sets
- R(f);N_GUARD::S(C),XR(f)
- R(f);N_GUARD::S(C)
- B(c);N_GUARD,P_SPINP(d)::S(C)
- B(c);N_GUARD,P_SPINP(d)::S(C),XB(c)
- Tries
- Try
- Q(B);P_PINB(c),XP(d)
- Threat
- DUALS(4)
- Refutation
- P(e);N_SPINB(c),XQ(B)
- Try
- Q(B);
- Threat
- QAB(B)
- Vars
- S(a);N_GUARD::QAB(B)
- Refutation
- S(a);XQ(B)
- Try
- Actual
- Q(B);
- Threat
- QAR1(B),XB(c)
- Vars
- R(f);N_GUARD,XQ(B)::S(C)
- B(c);N_GUARD,XQ(B)::S(C)
- B(c);OGATE::QAR1(B)
- B(c);N_GUARD::S(C)
- S(a);N_GUARD::QAB(B)
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).