MESON Chess Problem Database
Problem Display
PID: 203598 (8/8/p1n2N2/P1p2p2/K1k2p2/2pp1Np1/2R3P1/1n4Q1 w - - 0 1)
Henke, Walter
Arbeiter Schachzeitung, 1924
#2
7 + 10
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Sb4
- 2.Se5#
- 1...Sd4
- 2.Se5#
- 1...Sxa5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sa7
- 2.Se5#
- 1...Se7
- 2.Se5#
- 1...Sb8
- 2.Se5#
- 1...Sd8
- 2.Se5#
- 1...dxc2
- 2.Qf1#
- 1...d2
- 2.Qf1#
- 1...Sd2
- Tries
- 1.Rc1?
- 1...Sxa5
- 2.Se5#
- 1...d2
- 2.Qf1#
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Sb4
- 2.Se5#
- 1...Sd4
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sa7
- 2.Se5#
- 1...Se7
- 2.Se5#
- 1...Sb8
- 2.Se5#
- 1...Sd8
- 2.Se5#
- 1...c2!
- 1...Sxa5
- 1.Rxc3+?
- 1...Kxc3
- 2.Qc1#
- 1...Sxc3+!
- 1...Kxc3
- 1.Qf2?
- 1...Sxa5
- 2.Se5#
- 1...dxc2
- 2.Qf1#
- 2.Qe2#
- 1...d2
- 2.Qf1#
- 2.Qe2#
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Sb4
- 2.Se5#
- 1...Sd4
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sa7
- 2.Se5#
- 1...Se7
- 2.Se5#
- 1...Sb8
- 2.Se5#
- 1...Sd8
- 2.Se5#
- 1...gxf2!
- 1...Sxa5
- 1.Qe3?
- threat
- 2.Qe6#
- 1...dxc2
- 2.Qe2#
- 1...Sb4
- 2.Se5#
- 2.Qxf4#
- 1...Sd4
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 2.Qxf4#
- 1...Se7
- 2.Se5#
- 2.Qxf4#
- 1...Sd8
- 2.Se5#
- 2.Qxf4#
- 1...d2
- 2.Qe2#
- 1...fxe3!
- threat
- 1.Qd4+?
- 1...Sxd4
- 2.Se5#
- 1...cxd4!
- 1...Sxd4
- 1.Qxb1?
- threat
- 2.Qa2#
- 2.Qb3#
- 1...dxc2
- 2.Qf1#
- 1...d2
- 2.Qf1#
- 1...Sb4
- 2.Qb3#
- 1...Sd4
- 2.Sd2#
- 2.Se5#
- 1...Sxa5!
- threat
- 1.Rc1?
- Keys
- 1.Qc1!
- 1...Sxa5
- 2.Qxf4#
- 1...dxc2
- 2.Qf1#
- 1...d2
- 2.Qf1#
- 1...Sd2
- 2.Rxc3#
- 1...Sa3
- 2.Rxc3#
- 1...Sb4
- 2.Qxf4#
- 1...Sd4
- 2.Se5#
- 1...Se5
- 2.Qxf4#
- 1...Sa7
- 2.Qxf4#
- 1...Se7
- 2.Qxf4#
- 1...Sb8
- 2.Qxf4#
- 1...Sd8
- 2.Qxf4#
- 1...Sxa5
- 1.Qc1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 9
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::S(D),XS(a)
- S(a);N_GUARD::S(D)
- S(j);N_GUARD::S(D)
- S(j);N_GUARD,XP(F)::S(D)
- S(j);N_GUARD::S(D),XS(j)
- P(c);N_SPINP(b),OGATEB,XR(B)::QAB(A)
- P(c);OGATEB::QAB(A)
- Tries
- Try
- R(B);
- Vars
- S(j);N_GUARD,XP(F)::S(D)
- P(c);OGATEB::QAB(A)
- S(a);N_GUARD::S(D),XS(a)
- S(a);N_GUARD::S(D)
- S(j);N_GUARD::S(D)
- S(j);N_GUARD::S(D),XS(j)
- Refutation
- P(b);
- Try
- R(B);CHECK,XP(b)
- Vars
- K(e);P-FLIGHT,XR(B)::QAR2(A)
- Refutation
- S(a);CHECK,XR(B)
- Try
- Q(A);
- Vars
- S(j);N_GUARD,XP(F)::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(a);N_GUARD::S(D)
- S(j);N_GUARD::S(D)
- S(j);N_GUARD::S(D),XS(j)
- Refutation
- P(d);XQ(A)
- Try
- Q(A);
- Threat
- QAB(A)
- Vars
- P(c);N_SPINP(b),OGATEB,XR(B)::QAB(A)
- S(j);N_GUARD::S(D)
- P(c);OGATEB::QAB(A)
- Refutation
- P(f);XQ(A)
- Try
- Q(A);CHECK
- Vars
- S(j);SBLOCK,XQ(A)::S(D)
- Refutation
- P(g);XQ(A)
- Try
- Q(A);XS(a)
- Threat
- DUALS(2)
- Vars
- P(c);N_SPINP(b),OGATEB,XR(B)::QAB(A)
- P(c);OGATEB::QAB(A)
- S(j);::QAB1(A)
- Refutation
- S(j);XP(F)
- Try
- Actual
- Q(A);
- Vars
- S(j);N_GUARD,XP(F)::QAR(A),XP(f)
- P(c);N_SPINP(b),OGATEB,XR(B)::QAB(A)
- P(c);OGATEB::QAB(A)
- S(a);N_GUARD::R1(B),XP(b)
- S(j);N_GUARD::QAR(A),XP(f)
- S(j);N_GUARD,SBLOCK::S(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).