MESON Chess Problem Database
Problem Display
PID: 79342 (B5QK/1r4N1/8/3r2N1/3p1p1B/7p/b5kp/5R1R w - - 0 1)
Berezhnoi, Yuri Mikhailovich
The Tablet, 1964
(First published on Sat Jan 25 1964)
#2
8 + 8
| 15239 | Valois Notebooks | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rf5
- 2.Qxa2#
- 1...Rxg5
- 2.Qxa2#
- 1...Rd6
- 2.Qxa2#
- 1...Rdd7
- 2.Qxa2#
- 1...Rf5
- Tries
- 1.S5e6?
- threat
- 2.Sxf4#
- 1...Rh5+
- 2.Sxh5#
- 1...Rf5
- 2.Sxf5#
- 1...f3
- 2.Sf4#
- 1...Rf7!
- threat
- 1.S7e6?
- threat
- 2.Sxf4#
- 1...Rh7+
- 2.Sxh7#
- 1...Rf7
- 2.Sxf7#
- 1...f3
- 2.Sf4#
- 1...Rf5!
- threat
- 1.Qxd5+?
- 1...f3
- 2.Qxf3#
- 1...Bxd5!
- 1...f3
- 1.S5e6?
- Keys
- 1.Sh5!
- threat
- 2.Sxf4#
- 1...Rh7+
- 2.Sxh7#
- 1...Rf5
- 2.Qxa2#
- 1...Rf7
- 2.Sxf7#
- 1...f3
- 2.Sf4#
- threat
- 1.Sh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(g);OGATE,P_SPINR(h)::QAR(G),XB(a)
- R(g);OGATE,P_SPINR(h),XS(D)::QAR(G),XB(a)
- Tries
- Try
- S(D);
- Threat
- S(D),XP(f)
- Vars
- R(g);CHECK,N_GUARD,P_SPINR(h)::QAR(G)+S(E),XR(g)
- R(g);P_SPINR(h)::QAR(G)+S(E),XR(g)
- P(f);::S(D)
- Refutation
- R(h);P_SPINR(g)
- Try
- S(E);
- Threat
- S(E),XP(f)
- Vars
- R(h);CHECK,N_GUARD,P_SPINR(g)::QAR(G)+S(D),XR(h)
- R(h);P_SPINR(g)::QAR(G)+S(D),XR(h)
- P(f);::S(E)
- Refutation
- R(g);P_SPINR(h)
- Try
- Q(G);CHECK,XR(g)
- Vars
- P(f);P_SPINP(f)::QAB1(G),XP(f)
- Refutation
- B(a);XQ(G)
- Try
- Actual
- S(E);
- Threat
- S(E),XP(f)
- Vars
- R(h);CHECK,N_GUARD,P_SPINR(g)::QAR(G)+S(D),XR(h)
- R(g);OGATE,P_SPINR(h)::QAR(G),XB(a)
- R(h);P_SPINR(g)::QAR(G)+S(D),XR(h)
- P(f);::S(E)
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).