MESON Chess Problem Database
Problem Display
PID: 274097 (3n4/8/1B1N1QKp/5R2/1p1N2P1/3k3r/1p1p3p/qb1B2n1 w - - 0 1)
Johner, Hans
Zurcher Woche, 1958
#2
8 + 11
| 15601 | Albrecht-Leiss-Degener Collection | 2024 |
SOLUTION
- SOUND
- Tries
- 1.Sc2?
- threat
- 2.Sxb4#
- 2.Rd5#
- 2.Qd4#
- 1...Bxc2
- 2.Rd5#
- 2.Qd4#
- 1...h1Q
- 2.Sxb4#
- 2.Qd4#
- 1...h1B
- 2.Sxb4#
- 2.Qd4#
- 1...Qa2
- 2.Sxb4#
- 2.Qd4#
- 1...Qa3
- 2.Rd5#
- 2.Qd4#
- 1...Qa4
- 2.Rd5#
- 2.Qd4#
- 1...Qa5
- 2.Qd4#
- 1...Qa8
- 2.Sxb4#
- 2.Qd4#
- 1...Rh5
- 2.Sxb4#
- 2.Qd4#
- 1...Ba2
- 2.Sxb4#
- 2.Qd4#
- 1...Se2
- 2.Sxb4#
- 1...Sf3
- 2.Sxb4#
- 1...Se6
- 2.Sxb4#
- 1...b3
- 2.Sb4#
- 2.Rd5#
- 2.Qd4#
- 1...Sc6!
- threat
- 1.Sc6?
- threat
- 2.Sxb4#
- 2.Rd5#
- 2.Qd4#
- 1...h1Q
- 2.Sxb4#
- 2.Qd4#
- 1...h1B
- 2.Sxb4#
- 2.Qd4#
- 1...Se2
- 2.Sxb4#
- 1...Qa2
- 2.Sxb4#
- 2.Qd4#
- 1...Qa3
- 2.Rd5#
- 2.Qd4#
- 1...Qa4
- 2.Rd5#
- 2.Qd4#
- 1...Qa5
- 2.Qd4#
- 1...Rh5
- 2.Sxb4#
- 2.Qd4#
- 1...Ba2
- 2.Sxb4#
- 2.Qd4#
- 1...Sf3
- 2.Sxb4#
- 1...Se6
- 2.Sxb4#
- 1...b3
- 2.Sb4#
- 2.Rd5#
- 2.Qd4#
- 1...Sxc6!
- threat
- 1.Bc2+?
- 1...Kc3
- 2.Rc5#
- 1...Ke3
- 2.Sc4#
- 2.Re5#
- 2.Qe5#
- 1...Bxc2!
- 1...Kc3
- 1.Sc2?
- Keys
- 1.Rd5!
- threat
- 2.Sc2#
- 2.Se2#
- 2.Sb3#
- 2.Sf3#
- 2.S4b5#
- 2.S4f5#
- 2.Sc6#
- 2.Se6#
- 1...Kc3+
- 2.S4f5#
- 1...Ke3+
- 2.Sc2#
- 1...h1Q
- 2.Sf3#
- 1...h1B
- 2.Sf3#
- 1...Se2
- 2.Sxe2#
- 1...Qa2
- 2.Sb3#
- 1...Qa5
- 2.S4b5#
- 1...Qa8
- 2.Sc6#
- 1...Rf3
- 2.Sc2#
- 2.Se2#
- 2.Sb3#
- 2.Sxf3#
- 2.S4b5#
- 2.S4f5#
- 2.Sc6#
- 2.Se6#
- 1...Rh5
- 2.S4f5#
- 1...Ba2
- 2.Sb3#
- 1...Bc2
- 2.Sxc2#
- 2.Se2#
- 2.Sb3#
- 2.Sf3#
- 2.S4b5#
- 2.S4f5#
- 2.Sc6#
- 2.Se6#
- 1...Sf3
- 2.Sxf3#
- 1...Sc6
- 2.Sxc6#
- 1...Se6
- 2.Sxe6#
- 1...b3
- 2.Sc2#
- 2.Se2#
- 2.Sxb3#
- 2.Sf3#
- 2.S4b5#
- 2.S4f5#
- 2.Sc6#
- 2.Se6#
- threat
- 1.Rd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 13
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(B);
- Threat
- DUALS(3)
- Vars
- Q(a);::QAR1(G)
- S(c);::S(B),XP(i)
- S(k);::S(B),XP(i)
- Refutation
- S(k);
- Try
- S(B);
- Threat
- DUALS(3)
- Vars
- S(c);::S(B),XP(i)
- Q(a);::QAR1(G)
- S(k);::S(B),XP(i)
- Refutation
- S(k);XS(B)
- Try
- B(A);CHECK
- Vars
- K(g);N_GUARD,P-FLIGHT,S_CUTB(b)::R(D)
- Refutation
- B(b);XB(A)
- Try
- Actual
- R(D);
- Threat
- DUALS(8)
- Vars
- K(g);CHECK,P-FLIGHT::QAB(G)+S(B)
- K(g);CHECK,P-FLIGHT::B(E)+S(B),DCHECK
- P(f);::R(D)+S(B)
- S(c);::R(D)+S(B),XS(c)
- Q(a);::R(D)+S(B)
- R(h);::R(D)+S(B)
- B(b);::R(D)+S(B)
- S(k);::R(D)+S(B),XS(k)
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).