MESON Chess Problem Database
Problem Display
PID: 102523 (8/6pB/4p1Q1/8/2p2kN1/1pP2pn1/pR5B/K7 w - - 0 1)
Hertmann, Sandor
L'Echiquier, 1925
#2
7 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...f2
- 2.Rxf2#
- 1...e5
- 2.Qf5#
- 1...f2
- Tries
- 1.Se5?
- 1...Ke3
- 2.Qg5#
- 1...f2
- 2.Qxg3#
- 1...Kxe5!
- 1...Ke3
- 1.Sf6?
- 1...Ke3
- 2.Qg5#
- 1...Ke5
- 2.Bxg3#
- 1...f2
- 2.Qxg3#
- 1...e5
- 2.Sd5#
- 1...gxf6!
- 1...Ke3
- 1.Bg8?
- 1...f2
- 2.Rxf2#
- 1...e5!
- 1...f2
- 1.Rd2?
- threat
- 2.Rd4#
- 1...f2
- 2.Rxf2#
- 1...e5
- 2.Qf5#
- 1...b2+!
- threat
- 1.Rf2?
- 1...e5
- 2.Qf5#
- 1...b2+!
- 1...e5
- 1.Qxg7?
- 1...f2
- 2.Rxf2#
- 1...e5!
- 1...f2
- 1.Se5?
- Keys
- 1.Se3!
- 1...Kxe3
- 2.Qg5#
- 1...Ke5
- 2.Bxg3#
- 1...f2
- 2.Qxg3#
- 1...e5
- 2.Sd5#
- 1...Kxe3
- 1.Se3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- P(c);OGATEB::R(B),XP(c)
- P(g);N_GUARD::QAR1(F)
- Tries
- Try
- S(E);
- Vars
- K(f);N_SPINS(d),S_FLIGHT::QAB(F)
- P(c);::QAB1(F),XS(d)
- Refutation
- K(f);S_FLIGHT,XS(E)
- Try
- S(E);
- Vars
- K(f);N_SPINS(d),S_FLIGHT::QAB(F)
- K(f);S_FLIGHT::B(C),XS(d)
- P(c);::QAB1(F),XS(d)
- P(g);N_GUARD,SBLOCK::S(E)
- Refutation
- P(h);XS(E)
- Try
- B(G);
- Vars
- P(c);OGATEB::R(B),XP(c)
- Refutation
- P(g);
- Try
- R(B);
- Threat
- R(B)
- Vars
- P(c);OGATEB::R(B),XP(c)
- P(g);N_GUARD::QAR1(F)
- Refutation
- P(b);CHECK
- Try
- R(B);P_PINP(c)
- Vars
- P(g);N_GUARD::QAR1(F)
- Refutation
- P(b);CHECK
- Try
- Q(F);XP(h)
- Vars
- P(c);OGATEB::R(B),XP(c)
- Refutation
- P(g);
- Try
- Actual
- S(E);
- Vars
- K(f);N_SPINS(d),S_FLIGHT,XS(E)::QAB(F)
- K(f);S_FLIGHT::B(C),XS(d)
- P(c);::QAB1(F),XS(d)
- P(g);N_GUARD,SBLOCK::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).