MESON Chess Problem Database
Problem Display
PID: 146173 (b2K4/8/3p3N/3n3R/1P1k4/Q7/1pPNPn2/b4r2 w - - 0 1)
Puig y Puig, Esteban
1st Prize, Bonus Socius Ty., 1939
#2
8 + 8
| 448 | SEPA | 1940 |
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.Qd3#
- 1...Sh1
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sh3
- 2.Qd3#
- 1...Se4
- 2.Qd3#
- 1...Sg4
- 2.Qd3#
- 1...Sc3
- 2.Qa7#
- 1...Se3
- 2.c3#
- 1...Sxb4
- 2.e3#
- 1...Sf4
- 2.e3#
- 1...Sb6
- 2.e3#
- 1...Sf6
- 2.e3#
- 1...Sc7
- 2.e3#
- 1...Se7
- 2.e3#
- 1...Sd1
- Tries
- 1.c3+?
- 1...Sxc3
- 2.Qa7#
- 1...Ke3!
- 1...Sxc3
- 1.c3+?
- Keys
- 1.Qg3!
- threat
- 2.Sf5#
- 1...Sxb4
- 2.c3#
- 1...Sd3
- 2.Qxd3#
- 1...Se3
- 2.Qg7#
- 1...Sd1
- 2.Qd3#
- 1...Sh1
- 2.Qd3#
- 1...Sh3
- 2.Qd3#
- 1...Se4
- 2.Qd3#
- 1...Sg4
- 2.Qd3#
- 1...Sc3
- 2.e3#
- 1...Sf4
- 2.c3#
- 1...Sb6
- 2.c3#
- 1...Sf6
- 2.c3#
- 1...Sc7
- 2.c3#
- 1...Se7
- 2.c3#
- threat
- 1.Qg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 8
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(d);N_GUARD::QAR1(D)
- S(d);N_GUARD::QAR1(D),XS(d)
- S(f);N_GUARD,SBLOCK::QAB(D)
- S(f);N_GUARD,SBLOCK::P(A)
- S(f);N_GUARD,XP(E)::P(C)
- S(f);N_GUARD::P(C)
- Tries
- Try
- P(A);CHECK
- Vars
- S(f);SBLOCK,XP(A)::QAB(D)
- Refutation
- K(e);S_FLIGHT
- Try
- Actual
- Q(D);
- Threat
- S(G)
- Vars
- S(f);N_GUARD,XP(E)::P(A)
- S(d);N_GUARD::QAR1(D),XS(d)
- S(f);N_GUARD,SBLOCK::QAB(D)
- S(d);N_GUARD::QAR1(D)
- S(f);N_GUARD,SBLOCK::P(C)
- S(f);N_GUARD::P(A)
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).