MESON Chess Problem Database
Problem Display
PID: 206702 (8/5n1p/5Kbk/8/6Q1/8/8/8 w - - 0 1)
Hoffenreich, Sandor
Magyar Sakkvilag, 1925
#2
2 + 4
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Qh3#
- 2.Qh4#
- 1...Bc2
- 2.Qh3#
- 2.Qh4#
- 1...Bd3
- 2.Qh3#
- 2.Qh4#
- 1...Be4
- 2.Qh3#
- 2.Qh4#
- 1...Bf5
- 2.Qh4#
- 1...Bh5
- 2.Qg7#
- 1...Se5
- 2.Qg5#
- 1...Sg5
- 2.Qxg5#
- 1...Sd6
- 2.Qg5#
- 1...Sd8
- 2.Qg5#
- 1...Sh8
- 2.Qg5#
- 1...Bb1
- Tries
- 1.Qg2?
- 1...Kh5
- 2.Qh3#
- 1...Bb1
- 2.Qh1#
- 2.Qh3#
- 2.Qh2#
- 1...Bc2
- 2.Qh1#
- 2.Qh3#
- 2.Qh2#
- 1...Bd3
- 2.Qh1#
- 2.Qh3#
- 2.Qh2#
- 1...Be4
- 2.Qh3#
- 2.Qh2#
- 1...Bh5
- 2.Qg7#
- 1...Se5
- 2.Qg5#
- 1...Sg5
- 2.Qxg5#
- 1...Sd6
- 2.Qg5#
- 1...Sd8
- 2.Qg5#
- 1...Sh8
- 2.Qg5#
- 1...Bf5!
- 1...Kh5
- 1.Qf4+?
- 1...Sg5
- 2.Qxg5#
- 1...Kh5!
- 1...Sg5
- 1.Qg2?
- Keys
- 1.Qg3!
- 1...Kh5
- 2.Qh3#
- 1...Bf5
- 2.Qh4#
- 1...Bb1
- 2.Qh2#
- 2.Qh4#
- 2.Qh3#
- 1...Bc2
- 2.Qh2#
- 2.Qh4#
- 2.Qh3#
- 1...Bd3
- 2.Qh2#
- 2.Qh4#
- 2.Qh3#
- 1...Be4
- 2.Qh2#
- 2.Qh4#
- 2.Qh3#
- 1...Bh5
- 2.Qg7#
- 1...Se5
- 2.Qg5#
- 1...Sg5
- 2.Qxg5#
- 1...Sd6
- 2.Qg5#
- 1...Sd8
- 2.Qg5#
- 1...Sh8
- 2.Qg5#
- 1...Kh5
- 1.Qg3!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::QAR2(A)
- B(a);OGATE,SBLOCK::QAB1(A)
- S(c);N_GUARD::QAB1(A)
- S(c);N_GUARD::QAB1(A),XS(c)
- Tries
- Try
- Q(A);
- Vars
- K(b);P-FLIGHT::QAR2(A)
- B(a);OGATE,SBLOCK::QAB1(A)
- S(c);N_GUARD::QAB1(A)
- S(c);N_GUARD::QAB1(A),XS(c)
- Refutation
- B(a);
- Try
- Q(A);CHECK
- Vars
- S(c);N_GUARD,P_SPINS(c)::QAB1(A),XS(c)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- Q(A);
- Vars
- K(b);P-FLIGHT::QAR2(A)
- B(a);N_GUARD::QAR2(A)
- B(a);OGATE,SBLOCK::QAB1(A)
- S(c);N_GUARD::QAB1(A)
- S(c);N_GUARD::QAB1(A),XS(c)
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).