MESON Chess Problem Database
Problem Display
PID: 194417 (4N3/5n2/4n3/qpP3p1/pbk1P1P1/p1P1Q3/P2P1K2/1R6 w - - 0 1)
van Gool, Johann Christoffel
Journal de Geneve, 1977
#2
10 + 9
| 102 | Probleemblad | 1979 |
SOLUTION
- SOUND
- Sets
- 1...Qb6
- 2.Rxb4#
- 1...Qc7
- 2.Rxb4#
- 1...Qd8
- 2.Rxb4#
- 1...Qa6
- 2.Rxb4#
- 1...Qa7
- 2.Rxb4#
- 1...Qa8
- 2.Rxb4#
- 1...Bxc3
- 2.d3#
- 1...Sd4
- 2.Qxd4#
- 1...Sf4
- 2.Qd4#
- 1...Sxc5
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sed8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...Se5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sh6
- 2.Sd6#
- 1...Sfd8
- 2.Sd6#
- 1...Sh8
- 2.Sd6#
- 1...Qb6
- Tries
- 1.Ke1?
- 1...Bxc5
- 2.Qe2#
- 1...Sxc5
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Qb6
- 2.Rxb4#
- 1...Qc7
- 2.Rxb4#
- 1...Qd8
- 2.Rxb4#
- 1...Qa6
- 2.Rxb4#
- 1...Qa7
- 2.Rxb4#
- 1...Qa8
- 2.Rxb4#
- 1...Sf4
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sed8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...Se5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sh6
- 2.Sd6#
- 1...Sfd8
- 2.Sd6#
- 1...Sh8
- 2.Sd6#
- 1...Bxc3!
- 1...Bxc5
- 1.Kg1?
- 1...Bxc3
- 2.d3#
- 1...Sxc5
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Qb6
- 2.Rxb4#
- 1...Qc7
- 2.Rxb4#
- 1...Qd8
- 2.Rxb4#
- 1...Qa6
- 2.Rxb4#
- 1...Qa7
- 2.Rxb4#
- 1...Qa8
- 2.Rxb4#
- 1...Sf4
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sed8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...Se5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sh6
- 2.Sd6#
- 1...Sfd8
- 2.Sd6#
- 1...Sh8
- 2.Sd6#
- 1...Bxc5!
- 1...Bxc3
- 1.Ke2?
- 1...Sd4+
- 2.Qxd4#
- 1...Bxc3
- 2.d3#
- 1...Bxc5
- 2.Qd3#
- 1...Sxc5
- 2.Qd4#
- 1...Qb6
- 2.Rxb4#
- 1...Qc7
- 2.Rxb4#
- 1...Qd8
- 2.Rxb4#
- 1...Qa6
- 2.Rxb4#
- 1...Qa7
- 2.Rxb4#
- 1...Qa8
- 2.Rxb4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sed8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...Se5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sh6
- 2.Sd6#
- 1...Sfd8
- 2.Sd6#
- 1...Sh8
- 2.Sd6#
- 1...Sf4+!
- 1...Sd4+
- 1.Kg2?
- 1...Bxc3
- 2.d3#
- 1...Bxc5
- 2.Qe2#
- 1...Sxc5
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Qb6
- 2.Rxb4#
- 1...Qc7
- 2.Rxb4#
- 1...Qd8
- 2.Rxb4#
- 1...Qa6
- 2.Rxb4#
- 1...Qa7
- 2.Rxb4#
- 1...Qa8
- 2.Rxb4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sed8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...Se5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sh6
- 2.Sd6#
- 1...Sfd8
- 2.Sd6#
- 1...Sh8
- 2.Sd6#
- 1...Sf4+!
- 1...Bxc3
- 1.Kf3?
- 1...Sd4+
- 2.Qxd4#
- 1...Bxc3
- 2.d3#
- 1...Bxc5
- 2.Qe2#
- 1...Sxc5
- 2.Qd4#
- 1...Qb6
- 2.Rxb4#
- 1...Qc7
- 2.Rxb4#
- 1...Qd8
- 2.Rxb4#
- 1...Qa6
- 2.Rxb4#
- 1...Qa7
- 2.Rxb4#
- 1...Qa8
- 2.Rxb4#
- 1...Sf4
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sed8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...Sd6
- 2.Sxd6#
- 1...Sh6
- 2.Sd6#
- 1...Sfd8
- 2.Sd6#
- 1...Sh8
- 2.Sd6#
- 1...Se5+!
- 1...Sd4+
- 1.Kg3?
- 1...Bxc3
- 2.d3#
- 1...Bxc5
- 2.Qe2#
- 1...Sxc5
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Qb6
- 2.Rxb4#
- 1...Qd8
- 2.Rxb4#
- 1...Qa6
- 2.Rxb4#
- 1...Qa7
- 2.Rxb4#
- 1...Qa8
- 2.Rxb4#
- 1...Sf4
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sed8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...Se5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sh6
- 2.Sd6#
- 1...Sfd8
- 2.Sd6#
- 1...Sh8
- 2.Sd6#
- 1...Qc7+!
- 1...Bxc3
- 1.Rb3?
- threat
- 2.d3#
- 1...Sxc5
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Se5
- 2.Sd6#
- 1...Qd8
- 2.Rxb4#
- 1...Sf4
- 2.Qd4#
- 1...axb3!
- threat
- 1.Ke1?
- Keys
- 1.Kf1!
- 1...Bxc3
- 2.d3#
- 1...Bxc5
- 2.Qe2#
- 1...Sxc5
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Qb6
- 2.Rxb4#
- 1...Qc7
- 2.Rxb4#
- 1...Qd8
- 2.Rxb4#
- 1...Qa6
- 2.Rxb4#
- 1...Qa7
- 2.Rxb4#
- 1...Qa8
- 2.Rxb4#
- 1...Sf4
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...Sg7
- 2.Qd4#
- 1...Sed8
- 2.Qd4#
- 1...Sf8
- 2.Qd4#
- 1...Se5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sh6
- 2.Sd6#
- 1...Sfd8
- 2.Sd6#
- 1...Sh8
- 2.Sd6#
- 1...Bxc3
- 1.Kf1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(e);N_GUARD::R1(A),XB(c)
- B(c);SBLOCK,XP(E)::P(C)
- S(h);N_GUARD::QAR1(F),XS(h)
- S(h);N_GUARD::QAR1(F)
- S(h);N_GUARD,XP(I)::QAR1(F)
- S(i);N_GUARD::S(J)
- S(i);N_GUARD::S(J),XS(i)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- B(c);SBLOCK,XP(I)::QAB(F)
- S(h);N_GUARD,XP(I)::QAR1(F)
- S(h);N_GUARD::QAR1(F),XS(h)
- Q(e);N_GUARD::R1(A),XB(c)
- S(h);N_GUARD::QAR1(F)
- S(i);N_GUARD::S(J)
- S(i);N_GUARD::S(J),XS(i)
- Refutation
- B(c);P_PINP(C),XP(E)
- Try
- K(D);S_FLIGHT
- Vars
- B(c);SBLOCK,XP(E)::P(C)
- S(h);N_GUARD,XP(I)::QAR1(F)
- S(h);N_GUARD::QAR1(F),XS(h)
- Q(e);N_GUARD::R1(A),XB(c)
- S(h);N_GUARD::QAR1(F)
- S(i);N_GUARD::S(J)
- S(i);N_GUARD::S(J),XS(i)
- Refutation
- B(c);P_PINQ(F),XP(I)
- Try
- K(D);P-FLIGHT
- Vars
- S(h);CHECK,N_GUARD::QAR1(F),XS(h)
- B(c);SBLOCK,XP(E)::P(C)
- B(c);SBLOCK,XP(I)::QAB1(F)
- S(h);N_GUARD,XP(I)::QAR1(F)
- Q(e);N_GUARD::R1(A),XB(c)
- S(h);N_GUARD::QAR1(F)
- S(i);N_GUARD::S(J)
- S(i);N_GUARD::S(J),XS(i)
- Refutation
- S(h);CHECK
- Try
- K(D);P-FLIGHT
- Vars
- B(c);SBLOCK,XP(E)::P(C)
- B(c);SBLOCK,XP(I)::QAB(F)
- S(h);N_GUARD,XP(I)::QAR1(F)
- S(h);N_GUARD::QAR1(F),XS(h)
- Q(e);N_GUARD::R1(A),XB(c)
- Q(e);N_GUARD,P_PINP(G)::R1(A),XB(c)
- S(h);N_GUARD::QAR1(F)
- S(i);N_GUARD::S(J)
- S(i);N_GUARD::S(J),XS(i)
- Refutation
- S(h);CHECK
- Try
- K(D);P-FLIGHT
- Vars
- S(h);CHECK,N_GUARD::QAR1(F),XS(h)
- B(c);SBLOCK,XP(E)::P(C)
- B(c);SBLOCK,XP(I)::QAB(F)
- S(h);N_GUARD,XP(I)::QAR1(F)
- Q(e);N_GUARD::R1(A),XB(c)
- Q(e);N_GUARD,P_PINP(G)::R1(A),XB(c)
- S(h);N_GUARD::QAR1(F)
- S(i);N_GUARD::S(J),XS(i)
- S(i);N_GUARD::S(J)
- Refutation
- S(i);CHECK
- Try
- K(D);S_FLIGHT
- Vars
- B(c);SBLOCK,XP(E)::P(C)
- B(c);SBLOCK,XP(I)::QAB(F)
- S(h);N_GUARD,XP(I)::QAR1(F)
- S(h);N_GUARD::QAR1(F),XS(h)
- Q(e);N_GUARD::R1(A),XB(c)
- S(h);N_GUARD::QAR1(F)
- S(i);N_GUARD::S(J)
- S(i);N_GUARD::S(J),XS(i)
- Refutation
- Q(e);CHECK
- Try
- R(A);
- Threat
- P(C)
- Vars
- S(h);N_GUARD,XP(I)::QAR1(F)
- S(h);N_GUARD::QAR1(F),XS(h)
- S(i);N_GUARD::S(J)
- Q(e);N_GUARD::R1(A),XB(c)
- S(h);N_GUARD::QAR1(F)
- Refutation
- P(b);XR(A)
- Try
- Actual
- K(D);P-FLIGHT
- Vars
- B(c);SBLOCK,XP(E)::P(C)
- B(c);SBLOCK,XP(I)::QAB(F)
- S(h);N_GUARD,XP(I)::QAR1(F)
- S(h);N_GUARD::QAR1(F),XS(h)
- Q(e);N_GUARD::R1(A),XB(c)
- S(h);N_GUARD::QAR1(F)
- S(i);N_GUARD::S(J)
- S(i);N_GUARD::S(J),XS(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).