MESON Chess Problem Database
Problem Display
PID: 228 (8/8/8/8/2pp4/5Q2/3kP3/1KR5 w - - 0 1)
Hoek, Willem
Schaakmat, 1950
#2
4 + 3
| 5227 | Schaak..., maar raak! | 1969 |
| 2838 | Fun with Chess Miniatures | 1996 |
SOLUTION
- SOUND
- Sets
- 1...c3
- 2.Qd3#
- 1...c3
- Tries
- 1.Rf1?
- 1...c3
- 2.Qd3#
- 1...d3!
- 1...c3
- 1.Rg1?
- 1...c3
- 2.Qd3#
- 1...d3!
- 1...c3
- 1.Rh1?
- 1...c3
- 2.Qd3#
- 1...d3!
- 1...c3
- 1.Rc2+?
- 1...Kd1
- 2.Qh1#
- 2.Qf1#
- 1...Ke1!
- 1...Kd1
- 1.Qe4?
- 1...c3
- 2.Qd3#
- 1...d3!
- 1...c3
- 1.Qf2?
- 1...d3
- 2.e3#
- 2.e4#
- 1...c3!
- 1...d3
- 1.e3?
- 1...dxe3
- 2.Qd1#
- 1...c3
- 2.Rd1#
- 1...d3
- 2.Qf2#
- 1...Kd3!
- 1...dxe3
- 1.Rf1?
- Keys
- 1.e4!
- threat
- 2.Rd1#
- 1...dxe4 ep
- 2.Qd1#
- 1...d3
- 2.Qf2#
- threat
- 1.e4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- P(b);N_GUARD::QAR1(D)
- Tries
- Try
- R(B);
- Vars
- P(b);N_GUARD::QAR1(D)
- Refutation
- P(c);
- Try
- R(B);
- Vars
- P(b);N_GUARD::QAR1(D)
- Refutation
- P(c);
- Try
- R(B);
- Vars
- P(b);N_GUARD::QAR1(D)
- Refutation
- P(c);
- Try
- R(B);CHECK
- Refutation
- K(a);S_FLIGHT
- Try
- Q(D);
- Vars
- P(b);N_GUARD::QAR1(D)
- Refutation
- P(c);
- Try
- Q(D);
- Refutation
- P(b);
- Try
- P(C);
- Vars
- P(c);SBLOCK,XP(C)::QAR1(D)
- P(b);SBLOCK::R1(B)
- P(c);SBLOCK::QAR2(D)
- Refutation
- K(a);P-FLIGHT
- Try
- Actual
- P(C);
- Threat
- R1(B)
- Vars
- P(c);EP,XP(C)::QAR1(D)
- P(c);SBLOCK::QAR2(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).