MESON Chess Problem Database
Problem Display
PID: 239008 (8/K5B1/1PRpp2r/1pN1p3/1p1kpN2/1PnP4/5P2/Q7 w - - 0 1)
Petite, Efren
Problemas, 2014
#2
10 + 9
| 15148 | Sadier Collection | 2021 |
| 5454 | Near Snap | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Scxe6#
- 1...Rh2
- 2.Scxe6#
- 1...Rh3
- 2.Scxe6#
- 1...Rh4
- 2.Scxe6#
- 1...Rh5
- 2.Scxe6#
- 1...Rh7
- 2.Scxe6#
- 1...Rh8
- 2.Scxe6#
- 1...dxc5
- 2.Rd6#
- 1...d5
- 2.Se2#
- 1...Rh1
- Tries
- 1.Sd7?
- threat
- 2.Rxd6#
- 1...d5
- 2.Bxe5#
- 1...exd3!
- threat
- 1.Qe1?
- threat
- 2.Qe3#
- 1...Rh3
- 2.Scxe6#
- 1...Sb1
- 2.Qxb4#
- 1...Sd1
- 2.Qxb4#
- 1...Se2
- 2.Qxb4#
- 1...Sa4
- 2.Qxb4#
- 1...Sd5
- 2.Se2#
- 1...e3
- 2.Qxe3#
- 2.fxe3#
- 1...Sa2!
- threat
- 1.Sd7?
- Keys
- 1.Qc1!
- threat
- 2.Qe3#
- 1...Rh3
- 2.Scxe6#
- 1...Sb1
- 2.Rxd6#
- 1...Sd1
- 2.Rxd6#
- 1...Sa2
- 2.Rxd6#
- 1...Se2
- 2.Rxd6#
- 1...Sa4
- 2.Rxd6#
- 1...Sd5
- 2.Se2#
- 1...e3
- 2.Qxe3#
- 2.fxe3#
- threat
- 1.Qc1!
Anticipated by 241498(1979)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 8
- Sets
- R(i);N_GUARD::S(F),XP(h)
- R(i);N_GUARD,P_PINB(J)::S(F),XP(h)
- P(g);SBLOCK,XS(F)::R(H)
- P(g);SBLOCK::S(E)
- Tries
- Try
- S(F);
- Threat
- R(H),XP(g)
- Vars
- P(g);N_GUARD::B(J),XP(f)
- Refutation
- P(d);XP(D)
- Try
- Q(A);N_PINS(a)
- Threat
- QAB1(A)
- Vars
- R(i);N_GUARD::S(F),XP(h)
- S(a);OGATE::QAR2(A),XP(b)
- S(a);N_GUARD,SBLOCK::S(E)
- Refutation
- S(a);
- Try
- Actual
- Q(A);N_PINS(a)
- Threat
- QAB1(A)
- Vars
- R(i);N_GUARD::S(F),XP(h)
- S(a);N_GUARD::R(H),XP(g)
- S(a);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).