MESON Chess Problem Database
Problem Display
PID: 231651 (8/8/4N3/1n6/1p4pR/pPk5/K1p1Pp2/2Q1bn2 w - - 0 1)
Hochberger, Alfred
Nepszava, 1927
#2
6 + 9
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bd2
- 2.Qa1#
- 1...Sd2
- 2.Qa1#
- 1...Sh2
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sg3
- 2.Qe3#
- 1...g3
- 2.Rc4#
- 1...Bd2
- Tries
- 1.Rh5?
- threat
- 2.Rc5#
- 1...Sd2
- 2.Qa1#
- 1...Se3
- 2.Qxe3#
- 1...Sd6!
- threat
- 1.Rh5?
- Keys
- 1.Qf4!
- 1...c1S+
- 2.Qxc1#
- 1...Se3
- 2.Qxe3#
- 1...c1Q
- 2.Qxc1#
- 1...c1B
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Sd6
- 2.Qd4#
- 1...Bd2
- 2.Qc4#
- 1...Sd2
- 2.Qe3#
- 1...Sh2
- 2.Qe3#
- 1...Sg3
- 2.Qe3#
- 1...Sd4
- 2.Qxd4#
- 1...Sa7
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...g3
- 2.Qxb4#
- 1...c1S+
- 1.Qf4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 3
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- B(a);SBLOCK::QAB(A)
- S(b);SBLOCK::QAB(A)
- S(b);N_GUARD::QAR2(A)
- S(b);N_GUARD::QAR2(A),XS(b)
- P(h);OGATE::R1(E)
- Tries
- Try
- R(E);
- Threat
- R(E)
- Vars
- S(b);SBLOCK::QAB(A)
- S(b);N_GUARD::QAR2(A),XS(b)
- Refutation
- S(i);
- Try
- Actual
- Q(A);N_PINP(c)
- Vars
- P(c);CHECK,OGATEB::QAR2(A),XS(c)
- S(b);N_GUARD::QAR2(A),XS(b)
- P(c);OGATEB::QAR2(A),XQ(c)
- P(c);OGATEB::QAR2(A),XB(c)
- P(c);OGATEB::QAR2(A),XR(c)
- S(i);N_GUARD::QAB1(A)
- B(a);SBLOCK::QAR1(A)
- S(b);N_GUARD::QAR2(A)
- S(i);N_GUARD::QAB1(A),XS(i)
- P(h);::QAB1(A),XP(g)
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).