MESON Chess Problem Database
Problem Display
PID: 132651 (8/8/5Q2/4N2R/3n4/6k1/6n1/7K w - - 0 1)
Preziosi, Bruno
The Field, 1957
(First published on Thu Nov 21 1957)
#2
4 + 3
| 3713 | Snap | 2009 |
| 5454 | Near Snap | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Se1
- 2.Qh4#
- 1...Se3
- 2.Qh4#
- 1...Sf4
- 2.Qh4#
- 1...Sh4
- 2.Qxh4#
- 1...Sc2
- 2.Qf3#
- 1...Se2
- 2.Qf3#
- 1...Sb3
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sb5
- 2.Qf3#
- 1...Sc6
- 2.Qf3#
- 1...Se6
- 2.Qf3#
- 1...Se1
- Tries
- 1.Kg1?
- threat
- 2.Qg5#
- 2.Qf2#
- 1...Sf3+
- 2.Qxf3#
- 1...Sh4
- 2.Qxh4#
- 1...Sf5
- 2.Qg5#
- 1...Se3
- 2.Qh4#
- 2.Qf2#
- 1...Sf4
- 2.Qh4#
- 2.Qg5#
- 1...Se6
- 2.Qf2#
- 2.Qf3#
- 1...Se2+!
- threat
- 1.Rh2?
- 1...Sf3
- 2.Qxf3#
- 1...Se1
- 2.Qh4#
- 2.Qg5#
- 2.Qf2#
- 1...Se3
- 2.Qh4#
- 2.Qf2#
- 1...Sf4
- 2.Qh4#
- 2.Qg5#
- 1...Sh4
- 2.Qxh4#
- 2.Qg5#
- 2.Qf2#
- 1...Sc2
- 2.Qf3#
- 1...Se2
- 2.Qf3#
- 1...Sb3
- 2.Qf3#
- 1...Sb5
- 2.Qf3#
- 1...Sc6
- 2.Qf3#
- 1...Se6
- 2.Qf3#
- 1...Sf5!
- 1...Sf3
- 1.Rg5+?
- 1...Kh4
- 2.Qh6#
- 1...Kh3!
- 1...Kh4
- 1.Rh6?
- 1...Sf4
- 2.Qh4#
- 1...Sh4
- 2.Qxh4#
- 1...Sf3
- 2.Qxf3#
- 1...Se1
- 2.Qh4#
- 1...Se3
- 2.Qh4#
- 1...Sc2
- 2.Qf3#
- 1...Se2
- 2.Qf3#
- 1...Sb3
- 2.Qf3#
- 1...Sb5
- 2.Qf3#
- 1...Sc6
- 2.Qf3#
- 1...Se6
- 2.Qf3#
- 1...Sf5!
- 1...Sf4
- 1.Rh7?
- 1...Sf4
- 2.Qh4#
- 1...Sh4
- 2.Qxh4#
- 1...Sf3
- 2.Qxf3#
- 1...Se1
- 2.Qh4#
- 1...Se3
- 2.Qh4#
- 1...Sc2
- 2.Qf3#
- 1...Se2
- 2.Qf3#
- 1...Sb3
- 2.Qf3#
- 1...Sb5
- 2.Qf3#
- 1...Sc6
- 2.Qf3#
- 1...Se6
- 2.Qf3#
- 1...Sf5!
- 1...Sf4
- 1.Rh8?
- 1...Sf4
- 2.Qh4#
- 1...Sh4
- 2.Qxh4#
- 1...Sf3
- 2.Qxf3#
- 1...Se1
- 2.Qh4#
- 1...Se3
- 2.Qh4#
- 1...Sc2
- 2.Qf3#
- 1...Se2
- 2.Qf3#
- 1...Sb3
- 2.Qf3#
- 1...Sb5
- 2.Qf3#
- 1...Sc6
- 2.Qf3#
- 1...Se6
- 2.Qf3#
- 1...Sf5!
- 1...Sf4
- 1.Kg1?
- Keys
- 1.Qf1!
- 1...Sf3
- 2.Qxf3#
- 1...Se1
- 2.Rh3#
- 1...Se3
- 2.Rh3#
- 1...Sf4
- 2.Qe1#
- 1...Sh4
- 2.Rg5#
- 1...Sc2
- 2.Qf3#
- 1...Se2
- 2.Qf3#
- 1...Sb3
- 2.Qf3#
- 1...Sb5
- 2.Qf3#
- 1...Sf5
- 2.Qf3#
- 1...Sc6
- 2.Qf3#
- 1...Se6
- 2.Qf3#
- 1...Sf3
- 1.Qf1!
This anticipates 234101(1988-1990), 23880(1996)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(c);N_GUARD::QAR1(D)
- S(c);N_GUARD::QAR1(D),XS(c)
- Tries
- Try
- K(A);P-FLIGHT
- Threat
- DUALS(2)
- Vars
- S(c);CHECK,N_GUARD::QAR1(D),XS(c)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(c);::QAR2(D)
- Refutation
- S(c);CHECK
- Try
- R(C);
- Vars
- S(c);N_GUARD::QAR1(D),XS(c)
- S(c);N_GUARD::QAR1(D)
- Refutation
- S(c);
- Try
- R(C);CHECK
- Vars
- K(b);S_FLIGHT::QAR2(D)
- Refutation
- K(b);P-FLIGHT
- Try
- R(C);
- Vars
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(c);N_GUARD::QAR1(D),XS(c)
- S(c);N_GUARD::QAR1(D)
- Refutation
- S(c);
- Try
- R(C);
- Vars
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(c);N_GUARD::QAR1(D),XS(c)
- S(c);N_GUARD::QAR1(D)
- Refutation
- S(c);
- Try
- R(C);
- Vars
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(c);N_GUARD::QAR1(D),XS(c)
- S(c);N_GUARD::QAR1(D)
- Refutation
- S(c);
- Try
- Actual
- Q(D);
- Vars
- S(c);N_GUARD::QAR1(D),XS(c)
- S(a);::R1(C)
- S(a);N_GUARD,SBLOCK::QAB(D)
- S(a);SBLOCK::R(C)
- S(c);N_GUARD::QAR1(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).