MESON Chess Problem Database
Problem Display
PID: 173114 (4brr1/1NRqkpnR/1p4P1/1N6/3B1pQ1/7K/B7/8 w - - 0 1)
Barulin, Mikhail Mikhailovich
64 Shakhmatnoe obozrenie, 1930
#2
9 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sf5
- 2.Qg5#
- 1...Sh5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...fxg6
- 2.Qe6#
- 1...f5
- 2.Qe2#
- 1...f6
- 2.Qe6#
- 1...Sf5
- Tries
- 1.Qf5?
- threat
- 2.Bf6#
- 1...fxg6
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...f6
- 2.Qe6#
- 1...Sxf5!
- threat
- 1.Qf5?
- Keys
- 1.Sc3!
- threat
- 2.Sd5#
- 1...fxg6
- 2.Qe6#
- 1...Sf5
- 2.Qg5#
- 1...f5
- 2.Qe2#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- S(f);N_PINQ(D),P_SPINP(e)::QAB(D)
- S(f);N_GUARD,P_SPINP(e)::QAR1(D)
- S(f);N_GUARD,N_PINQ(D),P_SPINP(e)::QAR1(D),XS(f)
- P(e);N_GUARD,P_SPINS(f),XP(F)::QAR1(D)
- P(e);N_PINQ(D),P_SPINS(f)::QAR(D)
- P(e);N_GUARD,P_SPINS(f)::QAR1(D)
- Tries
- Try
- Q(D);
- Threat
- B(C)
- Vars
- P(e);N_GUARD,P_SPINS(f),XP(F)::QAR1(D)
- S(f);N_GUARD,P_SPINP(e)::QAR1(D)
- P(e);N_GUARD,P_SPINS(f)::QAR1(D)
- Refutation
- S(f);P_SPINP(e),XQ(D)
- Try
- Actual
- S(E);
- Threat
- S(E)
- Vars
- P(e);N_GUARD,P_SPINS(f),XP(F)::QAR1(D)
- S(f);N_PINQ(D),P_SPINP(e)::QAB(D)
- P(e);N_PINQ(D),P_SPINS(f)::QAR(D)
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).