MESON Chess Problem Database
Problem Display
PID: 174345 (Q2Kb3/2p2p2/3B4/5p1r/3kp3/2R5/N1B5/3N4 w - - 0 1)
Groeneveld, Cornelis
2nd Comm., Boletim da UBP, 1986-1987
#2
7 + 7
| 1077 | Boletim da UBP | 1989 |
SOLUTION
- SOUND
- Sets
- 1...f4
- 2.Qxe4#
- 1...f4
- Tries
- 1.Sb4?
- threat
- 2.Qd5#
- 1...Bc6
- 2.Qa7#
- 1...f4
- 2.Qxe4#
- 1...c6!
- threat
- 1.Bb3?
- threat
- 2.Qd5#
- 1...Bc6
- 2.Qa7#
- 1...c6
- 2.Qa4#
- 1...f4!
- threat
- 1.Rd3+?
- 1...Kc4
- 2.Qd5#
- 1...exd3!
- 1...Kc4
- 1.Rc5?
- threat
- 2.Qd5#
- 1...f4
- 2.Qxe4#
- 1...c6
- 2.Qa4#
- 1...Bc6!
- threat
- 1.Qc6?
- threat
- 2.Rc4#
- 2.Qc4#
- 2.Qc5#
- 1...cxd6
- 2.Qxd6#
- 1...f4
- 2.Rc4#
- 2.Qxe4#
- 2.Qc4#
- 1...Bxc6!
- threat
- 1.Qa7+?
- 1...c5
- 2.Qxc5#
- 1...Kd5!
- 1...c5
- 1.Sb4?
- Keys
- 1.Se3!
- threat
- 2.Qd5#
- 1...Bc6
- 2.Qa7#
- 1...f4
- 2.Qxe4#
- 1...c6
- 2.Qa4#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- P(c);N_GUARD::QAR1(F),XP(b)
- Tries
- Try
- S(B);
- Threat
- QAR1(F)
- Vars
- B(g);S_CUTP(e)::QAB(F)
- P(c);N_GUARD::QAR1(F),XP(b)
- Refutation
- P(e);
- Try
- B(C);
- Threat
- QAR1(F)
- Vars
- B(g);S_CUTP(e)::QAB(F)
- P(e);S_CUTB(g)::QAR(F)
- Refutation
- P(c);
- Try
- R(D);CHECK
- Vars
- K(a);P-FLIGHT::QAB1(F)
- Refutation
- P(b);XR(D)
- Try
- R(D);
- Threat
- QAR1(F)
- Vars
- P(c);N_GUARD::QAR1(F),XP(b)
- P(e);S_CUTB(g)::QAR(F)
- Refutation
- B(g);
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- P(e);OGATE,XB(E)::QAR2(F),XP(e)
- Refutation
- B(g);XQ(F)
- Try
- Q(F);CHECK
- Vars
- P(e);P_SPINP(e)::QAB1(F),XP(e)
- Refutation
- K(a);P-FLIGHT
- Try
- Actual
- S(A);
- Threat
- QAR1(F)
- Vars
- B(g);S_CUTP(e)::QAB(F)
- P(c);N_GUARD::QAR1(F),XP(b)
- P(e);S_CUTB(g)::QAR(F)
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).