MESON Chess Problem Database
Problem Display
PID: 165489 (8/6p1/5nQ1/5P2/pP4p1/RnBkN1P1/6K1/3NR3 w - - 0 1)
Andersson, Gunnar
Problemisten, 1946
#2
10 + 6
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Sf2#
- 1...Sa1
- 2.Sf2#
- 1...Sc1
- 2.Sf2#
- 1...Sd2
- 2.Sf2#
- 1...Sd4
- 2.Sf2#
- 1...Sa5
- 2.Sf2#
- 1...Sc5
- 2.Sf2#
- 1...Se4
- 2.Qa6#
- 1...Sd5
- 2.f6#
- 1...Sh5
- 2.f6#
- 1...Sd7
- 2.f6#
- 1...Sh7
- 2.f6#
- 1...Se8
- 2.f6#
- 1...Sg8
- 2.f6#
- 1...Ke4
- Tries
- 1.Kg1?
- 1...Sa1
- 2.Sf2#
- 1...Sc1
- 2.Sf2#
- 1...Sd2
- 2.Sf2#
- 1...Sd4
- 2.Sf2#
- 1...Sa5
- 2.Sf2#
- 1...Sc5
- 2.Sf2#
- 1...Se4
- 2.Qa6#
- 1...Sd5
- 2.f6#
- 1...Sh5
- 2.f6#
- 1...Sd7
- 2.f6#
- 1...Sh7
- 2.f6#
- 1...Se8
- 2.f6#
- 1...Sg8
- 2.f6#
- 1...Ke4!
- 1...Sa1
- 1.Kh1?
- 1...Sa1
- 2.Sf2#
- 1...Sc1
- 2.Sf2#
- 1...Sd2
- 2.Sf2#
- 1...Sd4
- 2.Sf2#
- 1...Sa5
- 2.Sf2#
- 1...Sc5
- 2.Sf2#
- 1...Se4
- 2.Qa6#
- 1...Sd5
- 2.f6#
- 1...Sh5
- 2.f6#
- 1...Sd7
- 2.f6#
- 1...Sh7
- 2.f6#
- 1...Se8
- 2.f6#
- 1...Sg8
- 2.f6#
- 1...Ke4!
- 1...Sa1
- 1.Kh2?
- 1...Sa1
- 2.Sf2#
- 1...Sc1
- 2.Sf2#
- 1...Sd2
- 2.Sf2#
- 1...Sd4
- 2.Sf2#
- 1...Sa5
- 2.Sf2#
- 1...Sc5
- 2.Sf2#
- 1...Se4
- 2.Qa6#
- 1...Sd5
- 2.f6#
- 1...Sh5
- 2.f6#
- 1...Sd7
- 2.f6#
- 1...Sh7
- 2.f6#
- 1...Se8
- 2.f6#
- 1...Sg8
- 2.f6#
- 1...Ke4!
- 1...Sa1
- 1.Rxb3?
- threat
- 2.Sf2#
- 1...Ke4
- 2.Sf2#
- 1...Se4
- 2.Sb2#
- 2.Qa6#
- 1...axb3!
- threat
- 1.Qf7?
- threat
- 2.Qc4#
- 1...Ke4
- 2.Sf2#
- 1...Sd2
- 2.Sf2#
- 1...Sd4
- 2.Sf2#
- 1...Sa5
- 2.Sf2#
- 1...Sd5!
- threat
- 1.Qxg4?
- threat
- 2.Qc4#
- 1...Se4
- 2.Qe2#
- 1...Sd2
- 2.Sb2#
- 2.Sf2#
- 2.Qd4#
- 1...Sd4
- 2.Sb2#
- 2.Sf2#
- 2.Qxd4#
- 1...Sa5
- 2.Sb2#
- 2.Sf2#
- 2.Qd4#
- 1...Sxg4!
- threat
- 1.Qxf6?
- threat
- 2.Sf2#
- 1...Ke4
- 2.Sf2#
- 1...gxf6!
- threat
- 1.b5?
- 1...Ke4
- 2.Sf2#
- 1...Sa1
- 2.Sf2#
- 1...Sc1
- 2.Sf2#
- 1...Sd2
- 2.Sf2#
- 1...Sd4
- 2.Sf2#
- 1...Sa5
- 2.Sf2#
- 1...Sc5
- 2.Sf2#
- 1...Sd5
- 2.f6#
- 1...Sh5
- 2.f6#
- 1...Sd7
- 2.f6#
- 1...Sh7
- 2.f6#
- 1...Se8
- 2.f6#
- 1...Sg8
- 2.f6#
- 1...Se4!
- 1...Ke4
- 1.Kg1?
- Keys
- 1.Qxg7!
- 1...Ke4
- 2.Sf2#
- 1...Se4
- 2.Sb2#
- 1...Sa1
- 2.Sf2#
- 1...Sc1
- 2.Sf2#
- 1...Sd2
- 2.Sf2#
- 1...Sd4
- 2.Sf2#
- 1...Sa5
- 2.Sf2#
- 1...Sc5
- 2.Sf2#
- 1...Sd5
- 2.Sf2#
- 1...Sh5
- 2.Sf2#
- 1...Sd7
- 2.Sf2#
- 1...Sh7
- 2.Sf2#
- 1...Se8
- 2.Sf2#
- 1...Sg8
- 2.Sf2#
- 1...Ke4
- 1.Qxg7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 7
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(b);S_FLIGHT::S(A)
- S(a);::S(A)
- S(e);OGATE,SBLOCK::QAB(J)
- S(e);OGATE::QAB(J)+P(I)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- S(a);::S(A)
- S(e);OGATE,SBLOCK::QAB(J)
- S(e);OGATE::QAB(J)+P(I)
- Refutation
- K(b);S_FLIGHT
- Try
- K(C);S_FLIGHT
- Vars
- S(a);::S(A)
- S(e);OGATE,SBLOCK::QAB(J)
- S(e);OGATE::QAB(J)+P(I)
- Refutation
- K(b);S_FLIGHT
- Try
- K(C);P-FLIGHT
- Vars
- S(a);::S(A)
- S(e);OGATE,SBLOCK::QAB(J)
- S(e);OGATE::QAB(J)+P(I)
- Refutation
- K(b);S_FLIGHT
- Try
- R(D);XS(a)
- Threat
- S(A)
- Vars
- K(b);S_FLIGHT::S(A)
- Refutation
- P(c);XR(D)
- Try
- Q(J);
- Threat
- QAB1(J)
- Vars
- K(b);S_FLIGHT::S(A)
- S(a);::S(A)
- Refutation
- S(e);
- Try
- Q(J);XP(d)
- Threat
- QAB1(J)
- Vars
- S(e);SBLOCK::QAB1(J)
- Refutation
- S(e);XQ(J)
- Try
- Q(J);XS(e)
- Threat
- S(A)
- Vars
- K(b);S_FLIGHT::S(A)
- Refutation
- P(f);XQ(J)
- Try
- P(H);
- Vars
- K(b);S_FLIGHT::S(A)
- S(a);::S(A)
- S(e);OGATE::QAB(J)+P(I)
- Refutation
- S(e);
- Try
- Actual
- Q(J);XP(f)
- Vars
- K(b);S_FLIGHT::S(A)
- S(e);SBLOCK::S(A)
- S(a);::S(A)
- S(e);::S(A)
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).