MESON Chess Problem Database
Problem Display
PID: 227498 (8/8/8/8/2Q1q3/k1P5/3N4/K1n5 w - - 0 1)
Kipping, Cyril Stanley
Eskilstuna Kuriren, 1926
#2
4 + 3
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qb1+
- 2.Sxb1#
- 1...Qh1
- 2.Sb1#
- 2.Qa6#
- 2.Qb4#
- 1...Qc2
- 2.Qb4#
- 1...Qg2
- 2.Sb1#
- 2.Qa6#
- 2.Qb4#
- 1...Qd3
- 2.Qb4#
- 1...Qf3
- 2.Sb1#
- 2.Qa6#
- 2.Qb4#
- 1...Qd5
- 2.Sb1#
- 2.Qb4#
- 1...Qf5
- 2.Qb4#
- 1...Qc6
- 2.Sb1#
- 2.Qb4#
- 1...Qg6
- 2.Qb4#
- 1...Qh7
- 2.Qa6#
- 2.Qb4#
- 1...Qa8
- 2.Sb1#
- 2.Qb4#
- 1...Qe1
- 2.Sb1#
- 2.Qa6#
- 2.Qb4#
- 1...Qe2
- 2.Sb1#
- 2.Qb4#
- 1...Qe3
- 2.Sb1#
- 2.Qa6#
- 2.Qb4#
- 1...Qd4
- 2.Sb1#
- 1...Qf4
- 2.Sb1#
- 1...Qg4
- 2.Sb1#
- 1...Qh4
- 2.Sb1#
- 1...Qe5
- 2.Sb1#
- 2.Qb4#
- 1...Qe6
- 2.Sb1#
- 2.Qb4#
- 1...Qe7
- 2.Sb1#
- 2.Qa6#
- 1...Qe8
- 2.Sb1#
- 2.Qb4#
- 1...Sa2
- 2.Qxa2#
- 2.Qb3#
- 1...Se2
- 2.Qa2#
- 2.Qb3#
- 1...Sb3+
- 2.Qxb3#
- 1...Sd3
- 2.Sb1#
- 2.Qa2#
- 2.Qb3#
- 1...Qb1+
- Tries
- 1.Sxe4?
- threat
- 2.Qb4#
- 1...Sa2
- 2.Qxa2#
- 1...Sd3
- 2.Qa2#
- 1...Sb3+!
- threat
- 1.Qxe4?
- threat
- 2.Qa8#
- 2.Qb4#
- 1...Sa2
- 2.Qa8#
- 1...Sd3
- 2.Qa8#
- 1...Sb3+!
- threat
- 1.Qc5+?
- 1...Qb4
- 2.Qxb4#
- 1...Ka4!
- 1...Qb4
- 1.Sxe4?
- Keys
- 1.Qb5!
- 1...Qb1+
- 2.Sxb1#
- 1...Sb3+
- 2.Qxb3#
- 1...Qh1
- 2.Sb1#
- 2.Sc4#
- 2.Qa6#
- 2.Qb4#
- 2.Qa5#
- 1...Qc2
- 2.Sc4#
- 2.Qb4#
- 1...Qg2
- 2.Sb1#
- 2.Sc4#
- 2.Qa6#
- 2.Qb4#
- 2.Qa5#
- 1...Qd3
- 2.Qb4#
- 2.Qa5#
- 1...Qf3
- 2.Sb1#
- 2.Sc4#
- 2.Qa6#
- 2.Qb4#
- 2.Qa5#
- 1...Qd5
- 2.Sb1#
- 2.Qb4#
- 1...Qf5
- 2.Sc4#
- 2.Qb4#
- 1...Qc6
- 2.Sb1#
- 2.Qb4#
- 1...Qg6
- 2.Sc4#
- 2.Qb4#
- 2.Qa5#
- 1...Qb7
- 2.Sb1#
- 2.Sc4#
- 2.Qa5#
- 1...Qh7
- 2.Sc4#
- 2.Qa6#
- 2.Qb4#
- 2.Qa5#
- 1...Qa8
- 2.Sb1#
- 2.Sc4#
- 2.Qb4#
- 1...Qe1
- 2.Sb1#
- 2.Sc4#
- 2.Qa6#
- 2.Qb4#
- 2.Qa5#
- 1...Qe2
- 2.Sb1#
- 2.Qb4#
- 2.Qa5#
- 1...Qe3
- 2.Sb1#
- 2.Sc4#
- 2.Qa6#
- 2.Qb4#
- 2.Qa5#
- 1...Qa4
- 2.Sb1#
- 2.Qb2#
- 1...Qb4
- 2.Qxb4#
- 1...Qc4
- 2.Sb1#
- 2.Sxc4#
- 1...Qd4
- 2.Sb1#
- 1...Qf4
- 2.Sb1#
- 1...Qg4
- 2.Sb1#
- 1...Qh4
- 2.Sb1#
- 1...Qe5
- 2.Sb1#
- 2.Sc4#
- 2.Qb4#
- 1...Qe6
- 2.Sb1#
- 2.Qb4#
- 2.Qa5#
- 1...Qe7
- 2.Sb1#
- 2.Sc4#
- 2.Qa6#
- 2.Qa5#
- 1...Qe8
- 2.Sb1#
- 2.Sc4#
- 2.Qb4#
- 1...Sa2
- 2.Qb3#
- 1...Se2
- 2.Qb3#
- 1...Sd3
- 2.Sb1#
- 2.Qb3#
- 1...Qb1+
- 1.Qb5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- Q(c);CHECK,N_GUARD::S(B),XQ(c)
- Q(c);N_GUARD::QAB1(D)
- Q(c);N_GUARD,P_PINP(C)::S(B)
- Q(c);N_GUARD::S(B)
- S(a);CHECK,N_GUARD::QAR1(D),XS(a)
- Tries
- Try
- S(B);XQ(c)
- Threat
- QAB1(D)
- Vars
- S(a);N_GUARD::QAR1(D),XS(a)
- S(a);N_GUARD::QAR1(D)
- Refutation
- S(a);CHECK
- Try
- Q(D);XQ(c)
- Threat
- DUALS(2)
- Vars
- S(a);::QAR(D)
- Refutation
- S(a);CHECK
- Try
- Q(D);CHECK
- Vars
- Q(c);N_GUARD,P_SPINQ(c)::QAB1(D),XQ(c)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- Q(D);
- Vars
- Q(c);CHECK,N_GUARD::S(B),XQ(c)
- S(a);CHECK,N_GUARD::QAR1(D),XS(a)
- Q(c);N_GUARD::QAB1(D),XQ(c)
- Q(c);N_GUARD,P_PINP(C)::S(B)
- Q(c);N_GUARD::S(B)
- S(a);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).