MESON Chess Problem Database
Problem Display
PID: 202796 (5bQ1/p7/1p1prp2/1B1kpR1p/1PNB3R/5p2/N1n2K2/1n6 w - - 0 1)
Baird, Edith Elina Helen (Mrs WJ)
Western Daily Mercury, 1919
(First published on Sat Dec 27 1919)
#2
9 + 12
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bh6
- 2.Qa8#
- 1...Be7
- 2.Qa8#
- 1...Bg7
- 2.Qa8#
- 1...Sd2
- 2.Sc3#
- 1...Sba3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sa1
- 2.Se3#
- 1...Se1
- 2.Se3#
- 1...Sca3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sxb4
- 2.Sxb4#
- 2.Se3#
- 1...Sxd4
- 2.Se3#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...Bh6
- Tries
- 1.Kf1?
- 1...Se3+
- 2.Sxe3#
- 1...Sxb4
- 2.Sxb4#
- 2.Se3#
- 1...Sxd4
- 2.Se3#
- 1...Bh6
- 2.Qa8#
- 1...Be7
- 2.Qa8#
- 1...Bg7
- 2.Qa8#
- 1...Sba3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sa1
- 2.Se3#
- 1...Se1
- 2.Se3#
- 1...Sca3
- 2.Se3#
- 1...f2
- 2.Qg2#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...Sd2+!
- 1...Se3+
- 1.Kg1?
- 1...Sxb4
- 2.Sxb4#
- 2.Se3#
- 1...Sxd4
- 2.Se3#
- 1...Bh6
- 2.Qa8#
- 1...Be7
- 2.Qa8#
- 1...Bg7
- 2.Qa8#
- 1...Sd2
- 2.Sc3#
- 1...Sba3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sa1
- 2.Se3#
- 1...Se1
- 2.Se3#
- 1...Sca3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...f2+!
- 1...Sxb4
- 1.Kg3?
- 1...Sxb4
- 2.Sxb4#
- 2.Se3#
- 1...Sxd4
- 2.Se3#
- 1...Bh6
- 2.Qa8#
- 1...Be7
- 2.Qa8#
- 1...Bg7
- 2.Qa8#
- 1...Sd2
- 2.Sc3#
- 1...Sba3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sa1
- 2.Se3#
- 1...Se1
- 2.Se3#
- 1...Sca3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...f2!
- 1...Sxb4
- 1.Sa5?
- threat
- 2.Bc4#
- 2.Bc6#
- 1...Sxb4
- 2.Sxb4#
- 2.Bc4#
- 1...Sxd4
- 2.Bc4#
- 1...Sd2
- 2.Sc3#
- 2.Bc6#
- 1...Sba3
- 2.Sc3#
- 2.Bc6#
- 1...Sca3
- 2.Bc6#
- 1...Se3
- 2.Bc6#
- 1...bxa5!
- threat
- 1.Ba1?
- 1...Sxa1
- 2.Se3#
- 1...Bh6
- 2.Qa8#
- 1...Be7
- 2.Qa8#
- 1...Bg7
- 2.Qa8#
- 1...Sd2
- 2.Sc3#
- 1...Sba3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Se1
- 2.Se3#
- 2.Rd4#
- 1...Sca3
- 2.Se3#
- 2.Rd4#
- 1...Se3
- 2.Sxe3#
- 2.Rd4#
- 1...Sd4
- 2.Se3#
- 2.Rxd4#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...Sxb4!
- 1...Sxa1
- 1.Bb2?
- 1...Sa1
- 2.Se3#
- 2.Rd4#
- 1...Bh6
- 2.Qa8#
- 1...Be7
- 2.Qa8#
- 1...Bg7
- 2.Qa8#
- 1...Sd2
- 2.Sc3#
- 1...Sba3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Se1
- 2.Se3#
- 2.Rd4#
- 1...Sca3
- 2.Se3#
- 2.Rd4#
- 1...Se3
- 2.Sxe3#
- 2.Rd4#
- 1...Sd4
- 2.Se3#
- 2.Rxd4#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...Sxb4!
- 1...Sa1
- 1.Bd7?
- threat
- 2.Qxe6#
- 1...Sxd4
- 2.Se3#
- 1...Kxc4!
- threat
- 1.Rhf4?
- 1...Sxb4
- 2.Sxb4#
- 2.Se3#
- 1...Sxd4
- 2.Se3#
- 1...Sd2
- 2.Sc3#
- 1...Bh6
- 2.Qa8#
- 1...Be7
- 2.Qa8#
- 1...Bg7
- 2.Qa8#
- 1...Sba3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sa1
- 2.Se3#
- 1...Se1
- 2.Se3#
- 1...Sca3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...h4!
- 1...Sxb4
- 1.Rfxh5?
- 1...Sxb4
- 2.Sxb4#
- 2.Se3#
- 1...Sxd4
- 2.Se3#
- 1...Sd2
- 2.Sc3#
- 1...Bh6
- 2.Qa8#
- 1...Be7
- 2.Qa8#
- 1...Bg7
- 2.Qa8#
- 1...Sba3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sa1
- 2.Se3#
- 1...Se1
- 2.Se3#
- 1...Sca3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...f5!
- 1...Sxb4
- 1.Rxf6?
- threat
- 2.Qxe6#
- 1...Sxd4
- 2.Se3#
- 1...e4!
- threat
- 1.Qf7?
- threat
- 2.Qb7#
- 1...Sxb4
- 2.Sxb4#
- 2.Se3#
- 1...Sxd4
- 2.Se3#
- 1...Be7!
- threat
- 1.Qxf8?
- threat
- 2.Qa8#
- 1...Sxb4
- 2.Sxb4#
- 2.Se3#
- 1...Sxd4
- 2.Se3#
- 1...Re8
- 2.Qxd6#
- 1...Re7!
- threat
- 1.Kf1?
- Keys
- 1.Be3!
- 1...Sxe3
- 2.Sxe3#
- 1...Sxb4
- 2.Sxb4#
- 1...Sd2
- 2.Sc3#
- 1...Bh6
- 2.Qa8#
- 1...Be7
- 2.Qa8#
- 1...Bg7
- 2.Qa8#
- 1...Sba3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sa1
- 2.Rd4#
- 1...Se1
- 2.Rd4#
- 1...Sca3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...a5
- 2.Sxb6#
- 1...a6
- 2.Sxb6#
- 1...Sxe3
- 1.Be3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(l);OGATE::QAB(I)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- S(b);N_GUARD,XB(E)::S(D)
- P(k);N_GUARD::S(D),XP(g)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- S(b);CHECK,N_GUARD::S(D),XS(b)
- S(b);N_GUARD,XB(E)::S(D)
- B(l);OGATE::QAB(I)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(b);N_GUARD::S(D)
- P(c);OGATEB::QAB(I)
- P(k);N_GUARD::S(D),XP(g)
- Refutation
- S(a);CHECK
- Try
- K(B);S_FLIGHT
- Vars
- S(b);N_GUARD,XB(E)::S(D)
- B(l);OGATE::QAB(I)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- P(k);N_GUARD::S(D),XP(g)
- Refutation
- P(c);CHECK
- Try
- K(B);S_FLIGHT
- Vars
- S(b);N_GUARD,XB(E)::S(D)
- B(l);OGATE::QAB(I)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- P(k);N_GUARD::S(D),XP(g)
- Refutation
- P(c);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(b);XB(E)::B(G)
- S(b);::B(G)
- Refutation
- P(g);XS(D)
- Try
- B(E);
- Vars
- S(b);N_GUARD,XB(E)::S(D)
- B(l);OGATE::QAB(I)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- P(k);N_GUARD::S(D),XP(g)
- Refutation
- S(b);XP(C)
- Try
- B(E);
- Vars
- B(l);OGATE::QAB(I)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- P(k);N_GUARD::S(D),XP(g)
- Refutation
- S(b);XP(C)
- Try
- B(G);
- Threat
- QAB1(I),XR(i)
- Vars
- S(b);N_GUARD,XB(E)::S(D)
- Refutation
- K(d);N_SPINP(e),S_FLIGHT,XS(D)
- Try
- R(F);
- Vars
- S(b);N_GUARD,XB(E)::S(D)
- S(a);N_GUARD::S(A)
- B(l);OGATE::QAB(I)
- S(a);N_GUARD::S(A),XS(a)
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- P(k);N_GUARD::S(D),XP(g)
- Refutation
- P(f);
- Try
- R(H);XP(f)
- Vars
- S(b);N_GUARD,XB(E)::S(D)
- S(a);N_GUARD::S(A)
- B(l);OGATE::QAB(I)
- S(a);N_GUARD::S(A),XS(a)
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- P(k);N_GUARD::S(D),XP(g)
- Refutation
- P(j);N_SPINP(e)
- Try
- R(H);N_PINP(e),XP(j)
- Threat
- QAB1(I),XR(i)
- Vars
- S(b);N_GUARD,XB(E)::S(D)
- Refutation
- P(e);
- Try
- Q(I);
- Threat
- QAB(I)
- Vars
- S(b);N_GUARD,XB(E)::S(D)
- Refutation
- B(l);
- Try
- Q(I);N_PINR(i),XB(l)
- Threat
- QAB(I)
- Vars
- S(b);N_GUARD,XB(E)::S(D)
- R(i);N_GUARD::QAR1(I),XP(h)
- Refutation
- R(i);
- Try
- Actual
- B(E);
- Vars
- S(b);XB(E)::S(D),XS(b)
- S(b);XP(C)::S(A),XS(b)
- S(a);N_GUARD::S(A)
- B(l);OGATE::QAB(I)
- S(a);N_GUARD::S(A),XS(a)
- S(b);N_GUARD::R1(F)
- S(b);N_GUARD::R1(F),XS(b)
- P(k);N_GUARD::S(D),XP(g)
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).