MESON Chess Problem Database
Problem Display
PID: 44667 (3R4/8/B3p3/B1K2P2/4pN2/1p2kPrN/1pP1P2R/1Qb4r w - - 0 1)
Ahues, Herbert Siegfried Oskar
Schach-Express, 1949
#2
12 + 8
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Rg2
- 2.Sxg2#
- 1...Rxf3
- 2.Sg2#
- 1...Bd2
- 2.Bxd2#
- 1...exf5
- 2.Sd5#
- 1...e5
- 2.Sd5#
- 1...Rg2
- Tries
- 1.Rd4?
- threat
- 2.Rxe4#
- 1...Rxf3
- 2.Sg2#
- 1...exf5
- 2.Sd5#
- 1...exf3!
- threat
- 1.c3?
- threat
- 2.Qxe4#
- 1...Rxf3
- 2.Sg2#
- 1...exf3
- 2.Qd3#
- 1...exf5!
- threat
- 1.c4?
- threat
- 2.Qxe4#
- 1...exf3
- 2.Qd3#
- 1...exf5
- 2.Sd5#
- 1...Rxf3!
- threat
- 1.Rd4?
- Keys
- 1.cxb3!
- threat
- 2.Qxe4#
- 1...Rxf3
- 2.Sg2#
- 1...exf3
- 2.Qd3#
- 1...exf5
- 2.Sd5#
- threat
- 1.cxb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- R(f);N_GUARD::S(G),XR(f)
- R(f);N_GUARD,XP(E)::S(G)
- B(a);N_GUARD::B(H),XB(a)
- P(h);N_GUARD,XP(J)::S(G)
- P(h);N_GUARD::S(G)
- Tries
- Try
- R(L);
- Threat
- R1(L),XP(g)
- Vars
- R(f);N_GUARD,XP(E)::S(G)
- P(h);N_GUARD,XP(J)::S(G)
- Refutation
- P(g);XP(E)
- Try
- P(B);
- Threat
- QAR1(A),XP(g)
- Vars
- R(f);N_GUARD,XP(E)::S(G)
- P(g);N_GUARD,XP(E)::QAR1(A)
- Refutation
- P(h);XP(J)
- Try
- P(B);
- Threat
- QAR1(A),XP(g)
- Vars
- P(g);N_GUARD,XP(E)::QAR1(A)
- P(h);N_GUARD,XP(J)::S(G)
- Refutation
- R(f);XP(E)
- Try
- Actual
- P(B);XP(d)
- Threat
- QAR1(A),XP(g)
- Vars
- R(f);N_GUARD,XP(E)::S(G)
- P(g);N_GUARD,XP(E)::QAR1(A)
- P(h);N_GUARD,XP(J)::S(G)
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).