MESON Chess Problem Database
Problem Display
PID: 169801 (8/8/1p6/1B6/3B4/k7/8/K2nQ3 w - - 0 1)
Moller, J?
Die Schwalbe, 1945
#2
4 + 3
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Qc3#
- 1...Sf2
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Se3
- 2.Qc3#
- 1...Sb2
- Tries
- 1.Kb1?
- 1...Sc3+
- 2.Qxc3#
- 1...Sb2
- 2.Qc3#
- 1...Sf2
- 2.Qc3#
- 1...Se3
- 2.Qc3#
- 1...Kb3!
- 1...Sc3+
- 1.Bg1?
- 1...Sc3
- 2.Qxc3#
- 1...Sb2
- 2.Qc3#
- 1...Sf2
- 2.Qc3#
- 1...Se3
- 2.Qc3#
- 1...Kb3!
- 1...Sc3
- 1.Bb2+?
- 1...Sxb2
- 2.Qc3#
- 1...Kb3!
- 1...Sxb2
- 1.Bf2?
- 1...Sxf2
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sb2
- 2.Qc3#
- 1...Se3
- 2.Qc3#
- 1...Kb3!
- 1...Sxf2
- 1.Be3?
- 1...Sxe3
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sb2
- 2.Qc3#
- 1...Sf2
- 2.Qc3#
- 1...Kb3!
- 1...Sxe3
- 1.Be5?
- 1...Sc3
- 2.Qxc3#
- 1...Sb2
- 2.Qc3#
- 1...Sf2
- 2.Qc3#
- 1...Se3
- 2.Qc3#
- 1...Kb3!
- 1...Sc3
- 1.Bxb6?
- 1...Sc3
- 2.Qxc3#
- 1...Sb2
- 2.Qc3#
- 1...Sf2
- 2.Qc3#
- 1...Se3
- 2.Qc3#
- 1...Kb3!
- 1...Sc3
- 1.Bf6?
- 1...Sc3
- 2.Qxc3#
- 1...Sb2
- 2.Qc3#
- 1...Sf2
- 2.Qc3#
- 1...Se3
- 2.Qc3#
- 1...Kb3!
- 1...Sc3
- 1.Bg7?
- 1...Sc3
- 2.Qxc3#
- 1...Sb2
- 2.Qc3#
- 1...Sf2
- 2.Qc3#
- 1...Se3
- 2.Qc3#
- 1...Kb3!
- 1...Sc3
- 1.Bh8?
- 1...Sc3
- 2.Qxc3#
- 1...Sb2
- 2.Qc3#
- 1...Sf2
- 2.Qc3#
- 1...Se3
- 2.Qc3#
- 1...Kb3!
- 1...Sc3
- 1.Qd2?
- 1...Sc3
- 2.Qxc3#
- 2.Qb2#
- 1...Sb2
- 2.Qc3#
- 2.Qxb2#
- 1...Sf2
- 2.Qc3#
- 2.Qb2#
- 1...Se3
- 2.Qc3#
- 2.Qb2#
- 1...Kb3!
- 1...Sc3
- 1.Qa5+?
- 1...Kb3
- 2.Qa4#
- 1...bxa5!
- 1...Kb3
- 1.Kb1?
- Keys
- 1.Qxd1!
- 1...Kb4
- 2.Qa4#
- 1...Kb4
- 1.Qxd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- S(a);N_GUARD::QAR2(B)
- S(a);N_GUARD::QAR2(B),XS(a)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(a);CHECK,N_GUARD::QAR2(B),XS(a)
- S(a);N_GUARD::QAR2(B)
- Refutation
- K(b);P-FLIGHT
- Try
- B(C);
- Vars
- S(a);N_GUARD::QAR2(B),XS(a)
- S(a);N_GUARD::QAR2(B)
- Refutation
- K(b);P-FLIGHT
- Try
- B(C);CHECK
- Vars
- S(a);XB(C)::QAR2(B)
- Refutation
- K(b);P-FLIGHT
- Try
- B(C);
- Vars
- S(a);N_GUARD,XB(C)::QAR2(B)
- S(a);N_GUARD::QAR2(B),XS(a)
- S(a);N_GUARD::QAR2(B)
- Refutation
- K(b);P-FLIGHT
- Try
- B(C);
- Vars
- S(a);N_GUARD,XB(C)::QAR2(B)
- S(a);N_GUARD::QAR2(B),XS(a)
- S(a);N_GUARD::QAR2(B)
- Refutation
- K(b);P-FLIGHT
- Try
- B(C);
- Vars
- S(a);N_GUARD::QAR2(B),XS(a)
- S(a);N_GUARD::QAR2(B)
- Refutation
- K(b);P-FLIGHT
- Try
- B(C);XP(c)
- Vars
- S(a);N_GUARD::QAR2(B),XS(a)
- S(a);N_GUARD::QAR2(B)
- Refutation
- K(b);P-FLIGHT
- Try
- B(C);
- Vars
- S(a);N_GUARD::QAR2(B),XS(a)
- S(a);N_GUARD::QAR2(B)
- Refutation
- K(b);P-FLIGHT
- Try
- B(C);
- Vars
- S(a);N_GUARD::QAR2(B),XS(a)
- S(a);N_GUARD::QAR2(B)
- Refutation
- K(b);P-FLIGHT
- Try
- B(C);
- Vars
- S(a);N_GUARD::QAR2(B),XS(a)
- S(a);N_GUARD::QAR2(B)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(B);
- Refutation
- K(b);P-FLIGHT
- Try
- Q(B);CHECK
- Vars
- K(b);P-FLIGHT::QAB1(B)
- Refutation
- P(c);XQ(B)
- Try
- Actual
- Q(B);XS(a)
- Vars
- K(b);S_FLIGHT::QAR1(B)
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).