MESON Chess Problem Database
Problem Display
PID: 42477 (4B3/4p1q1/KpR4r/2N2P2/1kPB2R1/N7/PP4p1/8 w - - 0 1)
Mees, Wouter Jacob Gregorius
1st Prize, Schakend Nederland, 1975
#2
11 + 6
| 3771 | FIDE Album (1974-1976) | 1980 |
| 102 | Probleemblad | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qf8
- 2.Bc3#
- 1...Qxg4
- 2.Bc3#
- 1...Qg5
- 2.Bc3#
- 1...Qg6
- 2.Bc3#
- 1...Qf7
- 2.Bc3#
- 1...Qh7
- 2.Bc3#
- 1...Qg8
- 2.Bc3#
- 1...Rh1
- 2.Rxb6#
- 1...Rh2
- 2.Rxb6#
- 1...Rh3
- 2.Rxb6#
- 1...Rh4
- 2.Rxb6#
- 1...Rh5
- 2.Rxb6#
- 1...Rf6
- 2.Bc3#
- 1...Rh7
- 2.Rxb6#
- 1...Rh8
- 2.Rxb6#
- 1...e5
- 2.Bc3#
- 1...e6
- 2.Rxb6#
- 1...Qf8
- Tries
- 1.Rf6?
- threat
- 2.Sd3#
- 1...bxc5
- 2.Bc3#
- 1...Rh3
- 2.Rxb6#
- 1...b5!
- threat
- 1.f6?
- threat
- 2.Bc3#
- 2.Rxb6#
- 1...Rxf6
- 2.Bc3#
- 1...bxc5
- 2.Rb6#
- 1...b5
- 2.Bc3#
- 1...Rh3
- 2.Rxb6#
- 1...Qxf6!
- threat
- 1.Rf6?
- Keys
- 1.Bf6!
- threat
- 2.Sc2#
- 1...Qxg4
- 2.Bc3#
- 1...bxc5
- 2.Rb6#
- threat
- 1.Bf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 16
- Sets
- Q(f);N_GUARD::B(E)
- Q(f);N_GUARD,XR(F)::B(E)
- R(d);N_GUARD::R(J),XP(c)
- R(d);S_CUTQ(f)::B(E)
- P(e);S_CUTQ(f)::B(E)
- P(e);S_CUTR(d)::R(J),XP(c)
- Tries
- Try
- R(J);
- Threat
- S(G)
- Vars
- P(c);P_PINR(J),SBLOCK,XS(G)::B(E)
- R(d);N_GUARD::R(J),XP(c)
- Refutation
- P(c);P_PINR(J)
- Try
- P(H);
- Threat
- DUALS(2)
- Vars
- R(d);XP(H)::B(E)
- P(c);XS(G)::R(J)
- P(c);::B(E)
- R(d);::R(J),XP(c)
- Refutation
- Q(f);XP(H)
- Try
- Actual
- B(E);
- Threat
- S(C)
- Vars
- Q(f);N_GUARD,XR(F)::B(E)
- P(c);SBLOCK,XS(G)::R(J)
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).