MESON Chess Problem Database
Problem Display
PID: 185016 (4Q3/BKN3r1/1P1p2nq/5n1r/1PBkpbNp/6p1/bPR5/8 w - - 0 1)
Groeneveld, Cornelis
Sachsische Zeitung, 2000
(First published on Sat Feb 5 2000)
#2
10 + 12
| 15391 | Problemschach-Jahrbuch (2000) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Rxc7+
- 2.bxc7#
- 1...Rg8
- 2.Sb5#
- 2.Se6#
- 1...Sfe7
- 2.Se6#
- 1...Sge7
- 2.Sb5#
- 1...Rxc7+
- Tries
- 1.Ka6?
- threat
- 2.Sb5#
- 2.Se6#
- 2.b7#
- 1...Rxc7
- 2.bxc7#
- 1...Re7
- 2.Sb5#
- 2.b7#
- 1...Se3
- 2.Se6#
- 1...Sfe7
- 2.Se6#
- 1...Se5
- 2.Sb5#
- 2.b7#
- 1...Sge7
- 2.Sb5#
- 2.b7#
- 1...Sf8
- 2.Sb5#
- 2.b7#
- 1...Sh8
- 2.Sb5#
- 2.b7#
- 1...e3
- 2.Sb5#
- 2.b7#
- 1...Bxc4+!
- threat
- 1.Ka8?
- threat
- 2.Sb5#
- 2.Se6#
- 2.b7#
- 1...Rxc7
- 2.bxc7#
- 1...Re7
- 2.Sb5#
- 2.b7#
- 1...Se3
- 2.Se6#
- 1...Sfe7
- 2.Se6#
- 1...Se5
- 2.Sb5#
- 2.b7#
- 1...Sge7
- 2.Sb5#
- 2.b7#
- 1...Sf8
- 2.Sb5#
- 2.b7#
- 1...Sh8
- 2.Sb5#
- 2.b7#
- 1...e3
- 2.Sb5#
- 2.b7#
- 1...Bxc4!
- threat
- 1.Kb8?
- threat
- 2.Sb5#
- 2.Se6#
- 2.b7#
- 1...Rxc7
- 2.bxc7#
- 1...Re7
- 2.Sb5#
- 2.b7#
- 1...Se3
- 2.Se6#
- 1...Sfe7
- 2.Se6#
- 1...Se5
- 2.Sb5#
- 2.b7#
- 1...Sge7
- 2.Sb5#
- 2.b7#
- 1...Sf8
- 2.Sb5#
- 2.b7#
- 1...Sh8
- 2.Sb5#
- 2.b7#
- 1...e3
- 2.Sb5#
- 2.b7#
- 1...d5
- 2.b7#
- 1...Bxc4!
- threat
- 1.Qb5?
- threat
- 2.Qd5#
- 1...Rxc7+
- 2.bxc7#
- 1...Bxc4
- 2.Qxc4#
- 1...Se3
- 2.Rd2#
- 1...Sfe7
- 2.Se6#
- 1...d5
- 2.Qc5#
- 2.Qxd5#
- 1...Sge7!
- threat
- 1.Qf7?
- threat
- 2.Sb5#
- 2.Se6#
- 2.Qd5#
- 1...Bxc4
- 2.Qxc4#
- 1...e3
- 2.Qd5#
- 1...Se3
- 2.Se6#
- 2.Rd2#
- 1...Sfe7
- 2.Se6#
- 1...Se5
- 2.Sb5#
- 2.Qd5#
- 1...Sge7
- 2.Sb5#
- 1...Sf8
- 2.Sb5#
- 2.Qd5#
- 1...Sh8
- 2.Sb5#
- 2.Qd5#
- 1...d5
- 2.Sb5#
- 2.Se6#
- 2.Qxd5#
- 1...Rxf7!
- threat
- 1.Qe6?
- threat
- 2.Qd5#
- 1...Rxc7+
- 2.bxc7#
- 1...Bxc4
- 2.Qxc4#
- 1...Se3
- 2.Rd2#
- 1...Sge7
- 2.Sb5#
- 1...d5
- 2.Qxd5#
- 1...Sfe7!
- threat
- 1.Qg8?
- threat
- 2.Qd5#
- 1...Rxc7+
- 2.bxc7#
- 1...Rxg8
- 2.Sb5#
- 2.Se6#
- 1...Bxc4
- 2.Qxc4#
- 1...Se3
- 2.Rd2#
- 1...Sfe7
- 2.Se6#
- 1...Sge7
- 2.Sb5#
- 1...d5
- 2.Qxd5#
- 1...Rf7!
- threat
- 1.Ka6?
- Keys
- 1.Qc6!
- threat
- 2.Qd5#
- 1...Rxc7+
- 2.bxc7#
- 1...Bxc4
- 2.Qxc4#
- 1...Se3
- 2.Rd2#
- 1...Sfe7
- 2.Se6#
- 1...Sge7
- 2.Sb5#
- 1...d5
- 2.Qxd5#
- 2.Qc5#
- threat
- 1.Qc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(l);CHECK,OGATE,XS(I)::B(G)+P(F),XR(l)
- S(g);N_PINS(I)::S(I)
- S(j);N_PINS(I)::S(I)
- Tries
- Try
- K(H);N_SPINS(I),S_FLIGHT
- Threat
- DUALS(3)
- Vars
- R(l);OGATE,XS(I)::B(G)+P(F),XR(l)
- S(g);::S(I)
- Refutation
- B(a);CHECK,XB(D)
- Try
- K(H);N_SPINS(I),S_FLIGHT
- Threat
- DUALS(3)
- Vars
- R(l);OGATE,XS(I)::B(G)+P(F),XR(l)
- S(g);::S(I)
- Refutation
- B(a);XB(D)
- Try
- K(H);N_SPINS(I),P-FLIGHT
- Threat
- DUALS(3)
- Vars
- R(l);OGATE,XS(I)::B(G)+P(F),XR(l)
- S(g);::S(I)
- P(i);P_PINS(I)::B(G)+P(F)
- Refutation
- B(a);XB(D)
- Try
- Q(J);
- Threat
- QAR1(J)
- Vars
- R(l);CHECK,OGATE,XS(I)::B(G)+P(F),XR(l)
- B(a);OGATE,XB(D)::QAR1(J),XB(a)
- S(g);S_CUTB(e)::R(B)
- S(g);N_PINS(I)::S(I)
- Refutation
- S(j);N_PINS(I)
- Try
- Q(J);N_SPINS(I)
- Threat
- DUALS(3)
- Vars
- B(a);OGATE,XB(D)::QAR1(J),XB(a)
- P(d);::QAR1(J)
- S(g);::S(I)
- S(j);::S(I)
- Refutation
- R(l);P_PINS(I),XQ(J)
- Try
- Q(J);
- Threat
- QAR1(J)
- Vars
- R(l);CHECK,OGATE,XS(I)::B(G)+P(F),XR(l)
- B(a);OGATE,XB(D)::QAR1(J),XB(a)
- S(g);S_CUTB(e)::R(B)
- S(j);N_PINS(I)::S(I)
- P(i);::QAR1(J),XP(i)
- Refutation
- S(g);N_PINS(I)
- Try
- Q(J);
- Threat
- QAR1(J)
- Vars
- R(l);CHECK,OGATE,XS(I)::B(G)+P(F),XR(l)
- B(a);OGATE,XB(D)::QAR1(J),XB(a)
- S(g);S_CUTB(e)::R(B)
- S(g);N_PINS(I)::S(I)
- S(j);N_PINS(I)::S(I)
- P(i);::QAR1(J),XP(i)
- Refutation
- R(l);
- Try
- Actual
- Q(J);
- Threat
- QAR1(J)
- Vars
- R(l);CHECK,OGATE,XS(I)::B(G)+P(F),XR(l)
- B(a);OGATE,XB(D)::QAR1(J),XB(a)
- S(g);S_CUTB(e)::R(B)
- S(g);N_PINS(I)::S(I)
- S(j);N_PINS(I)::S(I)
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).