MESON Chess Problem Database
Problem Display
PID: 267195 (8/8/1PNK4/R1P5/N1k1p3/Pp1npp2/4np2/3Q1B2 w - - 0 1)
Jada, Faud Emile
Schakend Nederland, 1979
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Sec1
- 2.Qxc1#
- 1...Sg1
- 2.Qc1#
- 1...Sc3
- 2.Sb2#
- 1...Sg3
- 2.Qc1#
- 1...Sd4
- 2.Se5#
- 1...Sef4
- 2.Qc1#
- 1...Sdc1
- 2.Se5#
- 2.Qd4#
- 2.Qd5#
- 1...Se1
- 2.Se5#
- 2.Qd4#
- 2.Qd5#
- 1...Sb2
- 2.Se5#
- 2.Qd4#
- 2.Qd5#
- 1...Sb4
- 2.Se5#
- 2.Qd4#
- 1...Sdf4
- 2.Se5#
- 2.Qd4#
- 1...Sxc5
- 2.Se5#
- 2.Rxc5#
- 2.Qd4#
- 2.Qd5#
- 1...Se5
- 2.Sxe5#
- 2.Qd4#
- 2.Qd5#
- 1...Sec1
- Tries
- 1.Sb2+?
- 1...Sxb2
- 2.Qd4#
- 1...Kc3!
- 1...Sxb2
- 1.Se5+?
- 1...Sxe5
- 2.Qd5#
- 1...Kd4!
- 1...Sxe5
- 1.Rb5?
- threat
- 2.Qxb3#
- 1...Sxc5
- 2.Rb4#
- 2.Rxc5#
- 1...Sec1
- 2.Rb4#
- 1...Sd4
- 2.Rb4#
- 1...Sdc1
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...b2
- 2.Qb3#
- 1...Kxb5!
- threat
- 1.Qc2+?
- 1...Sc3
- 2.Sb2#
- 2.Qxc3#
- 1...bxc2!
- 1...Sc3
- 1.Qxe2?
- 1...b2
- 2.Qc2#
- 1...fxe2!
- 1...b2
- 1.Qa1?
- 1...Sxc5
- 2.Se5#
- 2.Qc3#
- 2.Qd4#
- 1...Sdc1
- 2.Se5#
- 2.Qc3#
- 2.Qd4#
- 1...Se1
- 2.Se5#
- 2.Qc3#
- 2.Qd4#
- 1...Sb4
- 2.Se5#
- 2.Qc3#
- 2.Qd4#
- 1...Sdf4
- 2.Se5#
- 2.Qc3#
- 2.Qd4#
- 1...Se5
- 2.Sxe5#
- 2.Qc3#
- 2.Qd4#
- 1...b2
- 2.Qa2#
- 1...Sec1
- 2.Se5#
- 2.Qc3#
- 2.Qd4#
- 2.Qxc1#
- 1...Sg1
- 2.Se5#
- 2.Qc3#
- 2.Qd4#
- 2.Qc1#
- 1...Sc3
- 2.Sb2#
- 2.Qxc3#
- 1...Sg3
- 2.Se5#
- 2.Qc3#
- 2.Qd4#
- 2.Qc1#
- 1...Sd4
- 2.Se5#
- 2.Qc3#
- 2.Qxd4#
- 1...Sef4
- 2.Se5#
- 2.Qc3#
- 2.Qd4#
- 2.Qc1#
- 1...Sb2!
- 1...Sxc5
- 1.b7?
- 1...Sxc5
- 2.Se5#
- 2.Rxc5#
- 2.Qd4#
- 2.Qd5#
- 1...Sec1
- 2.Qxc1#
- 1...Sg1
- 2.Qc1#
- 1...Sc3
- 2.Sb2#
- 2.Sb6#
- 1...Sg3
- 2.Qc1#
- 1...Sd4
- 2.Se5#
- 1...Sef4
- 2.Qc1#
- 1...Sdc1
- 2.Se5#
- 2.Qd4#
- 2.Qd5#
- 1...Se1
- 2.Se5#
- 2.Qd4#
- 2.Qd5#
- 1...Sb2
- 2.Se5#
- 2.Qd4#
- 2.Qd5#
- 1...Sb4
- 2.Se5#
- 2.Qd4#
- 1...Sdf4
- 2.Se5#
- 2.Qd4#
- 1...Se5
- 2.Sxe5#
- 2.Qd4#
- 2.Qd5#
- 1...b2!
- 1...Sxc5
- 1.Sb2+?
- Keys
- 1.Qb1!
- 1...Sxc5
- 2.Rxc5#
- 1...b2
- 2.Qa2#
- 1...Sec1
- 2.Qxc1#
- 1...Sg1
- 2.Qc1#
- 1...Sc3
- 2.Sb2#
- 1...Sg3
- 2.Qc1#
- 1...Sd4
- 2.Se5#
- 1...Sef4
- 2.Qc1#
- 1...Sdc1
- 2.Qxe4#
- 1...Se1
- 2.Qxe4#
- 1...Sb2
- 2.Qxe4#
- 1...Sb4
- 2.Qxe4#
- 1...Sdf4
- 2.Qxe4#
- 1...Se5
- 2.Qxe4#
- 1...Sxc5
- 1.Qb1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD,P_SPINS(d)::QAR(A),XS(a)
- S(a);N_GUARD,P_SPINS(d)::QAR(A)
- S(a);P_SPINS(d),SBLOCK::S(D)
- S(a);P_SPINS(d),SBLOCK::S(H)
- Tries
- Try
- S(D);CHECK
- Vars
- S(d);OGATE,P_SPINS(a),XS(D)::QAR1(A)
- Refutation
- K(g);P-FLIGHT
- Try
- S(H);CHECK
- Vars
- S(d);OGATE,P_SPINS(a),XS(H)::QAB1(A)
- Refutation
- K(g);P-FLIGHT,P_SPINS(d)
- Try
- R(E);
- Threat
- QAB1(A),XP(c)
- Vars
- S(a);P_SPINS(d)::R1(E)
- S(d);N_GUARD,P_SPINS(a)::R1(E)
- S(d);N_GUARD,P_SPINS(a)::R1(E),XS(d)
- P(c);::QAB1(A)
- Refutation
- K(g);S_FLIGHT,XR(E)
- Try
- Q(A);CHECK
- Refutation
- P(c);XQ(A)
- Try
- Q(A);P_PINS(d),XS(a)
- Vars
- P(c);N_GUARD::QAR2(A)
- Refutation
- P(f);N_SPINS(d),XQ(A)
- Try
- Q(A);
- Vars
- P(c);OGATEB::QAB(A)
- Refutation
- S(d);P_SPINS(a)
- Try
- P(G);
- Vars
- S(a);N_GUARD,P_SPINS(d)::QAR(A),XS(a)
- S(a);N_GUARD,P_SPINS(d)::QAR(A)
- S(a);P_SPINS(d),SBLOCK::S(H)
- Refutation
- P(c);
- Try
- Actual
- Q(A);
- Vars
- S(d);OGATE,P_SPINS(a),XP(F)::R1(E),XS(d)
- P(c);OGATEB::QAB(A)
- S(a);N_GUARD,P_SPINS(d)::QAR(A),XS(a)
- S(a);N_GUARD,P_SPINS(d)::QAR(A)
- S(a);P_SPINS(d),SBLOCK::S(D)
- S(a);P_SPINS(d),SBLOCK::S(H)
- S(d);OGATE,P_SPINS(a)::QAR2(A),XP(h)
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).