MESON Chess Problem Database
Problem Display
PID: 203521 (4K2b/5p1r/1pp1k3/8/2P2Q2/1N1P2B1/8/8 w - - 0 1)
Boros, Sandor
Nepszava, 1924
#2
6 + 6
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Qxf7#
- 1...Rh2
- 2.Qxf7#
- 1...Rh3
- 2.Qxf7#
- 1...Rh4
- 2.Qxf7#
- 1...Rh5
- 2.Qxf7#
- 1...Rh6
- 2.Qxf7#
- 1...Rg7
- 2.Sd4#
- 2.Qe5#
- 1...Bd4
- 2.Sxd4#
- 1...Be5
- 2.Qxe5#
- 1...Bf6
- 2.Qg4#
- 1...Bg7
- 2.Qxf7#
- 1...b5
- 2.Sc5#
- 1...f5
- 2.Qd6#
- 1...f6
- 2.Sd4#
- 2.Qe4#
- 1...Rh1
- Tries
- 1.Qe4+?
- 1...Be5
- 2.Qxe5#
- 1...Kf6!
- 1...Be5
- 1.Qe4+?
- Keys
- 1.d4!
- 1...Bxd4
- 2.Sxd4#
- 1...Be5
- 2.Qxe5#
- 1...f5
- 2.Qd6#
- 1...Rh1
- 2.Qxf7#
- 1...Rh2
- 2.Qxf7#
- 1...Rh3
- 2.Qxf7#
- 1...Rh4
- 2.Qxf7#
- 1...Rh5
- 2.Qxf7#
- 1...Rh6
- 2.Qxf7#
- 1...Rg7
- 2.Qe5#
- 1...Bf6
- 2.Qg4#
- 1...Bg7
- 2.Qxf7#
- 1...b5
- 2.Sc5#
- 1...c5
- 2.d5#
- 1...f6
- 2.Qe4#
- 1...Bxd4
- 1.d4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(e);N_GUARD::QAB1(E),XP(d)
- B(f);N_GUARD::S(A),XB(f)
- B(f);N_GUARD::QAR1(E),XB(f)
- B(f);SBLOCK,S_CUTP(d)::QAB(E)
- B(f);S_CUTR(e)::QAB1(E),XP(d)
- P(a);N_GUARD::S(A)
- P(d);SBLOCK::QAR1(E)
- Tries
- Try
- Q(E);CHECK
- Vars
- B(f);N_GUARD,P_SPINB(f)::QAR1(E),XB(f)
- Refutation
- K(c);P-FLIGHT
- Try
- Actual
- P(B);
- Vars
- B(f);XP(B)::S(A),XB(f)
- B(f);N_GUARD::QAR1(E),XB(f)
- P(d);SBLOCK::QAR1(E)
- R(e);N_GUARD::QAB1(E),XP(d)
- R(e);S_CUTB(f)::QAR1(E)
- B(f);SBLOCK,S_CUTP(d)::QAB(E)
- B(f);S_CUTR(e)::QAB1(E),XP(d)
- P(a);N_GUARD::S(A)
- P(b);N_GUARD::P(B)
- P(d);SBLOCK,S_CUTB(f)::QAR2(E)
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).