MESON Chess Problem Database
Problem Display
PID: 15177 (B7/2B3p1/4ppR1/1N1pPk1K/1pn2p2/1n3P2/2P5/Q3R3 w - - 0 1)
Gooderson, Arthur R
3rd HM., The Problemist, 1980/II
#2
10 + 9
| 3770 | BCSC Postal | 1980-1981 |
| 3207 | A R Gooderson An English Progressive | 1996 |
| 3166 | Finnish Solving Championship | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Sxa1
- 2.Sd4#
- 1...Sc1
- 2.Sd4#
- 1...Sbd2
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sba5
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Sb2
- 2.Sd6#
- 1...Scd2
- 2.Sd6#
- 1...Sa3
- 2.Sd6#
- 1...Se3
- 2.Sd6#
- 1...Sca5
- 2.Sd6#
- 1...Sxe5
- 2.Sd6#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...d4
- 2.Be4#
- 1...Sxa1
- Tries
- 1.Bb8?
- 1...Sxa1
- 2.Sd4#
- 1...Sxe5
- 2.Sd6#
- 1...d4
- 2.Be4#
- 1...Sc1
- 2.Sd4#
- 1...Sbd2
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sba5
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Sb2
- 2.Sd6#
- 1...Scd2
- 2.Sd6#
- 1...Sa3
- 2.Sd6#
- 1...Se3
- 2.Sd6#
- 1...Sca5
- 2.Sd6#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...fxe5!
- 1...Sxa1
- 1.Bd8?
- 1...Sxa1
- 2.Sd4#
- 1...Sxe5
- 2.Sd6#
- 1...fxe5
- 2.Rg5#
- 1...Sc1
- 2.Sd4#
- 1...Sbd2
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sba5
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Sb2
- 2.Sd6#
- 1...Scd2
- 2.Sd6#
- 1...Sa3
- 2.Sd6#
- 1...Se3
- 2.Sd6#
- 1...Sca5
- 2.Sd6#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...d4!
- 1...Sxa1
- 1.Bxd5?
- threat
- 2.Be4#
- 1...Sbd2
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Scd2
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...exd5!
- threat
- 1.Bc6?
- 1...Sxa1
- 2.Sd4#
- 1...Sxe5
- 2.Sd6#
- 1...d4
- 2.Be4#
- 1...Sc1
- 2.Sd4#
- 1...Sbd2
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sba5
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Sb2
- 2.Sd6#
- 1...Scd2
- 2.Sd6#
- 1...Sa3
- 2.Sd6#
- 1...Se3
- 2.Sd6#
- 1...Sca5
- 2.Sd6#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...fxe5!
- 1...Sxa1
- 1.Bb7?
- 1...Sxa1
- 2.Sd4#
- 1...Sxe5
- 2.Sd6#
- 1...d4
- 2.Be4#
- 1...Sc1
- 2.Sd4#
- 1...Sbd2
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sba5
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Sb2
- 2.Sd6#
- 1...Scd2
- 2.Sd6#
- 1...Sa3
- 2.Sd6#
- 1...Se3
- 2.Sd6#
- 1...Sca5
- 2.Sd6#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...fxe5!
- 1...Sxa1
- 1.Reg1?
- 1...Sxa1
- 2.Sd4#
- 1...Sxe5
- 2.Sd6#
- 1...fxe5
- 2.R1g5#
- 1...Sc1
- 2.Sd4#
- 1...Sbd2
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sba5
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Scd2
- 2.Sd6#
- 1...Sa3
- 2.Sd6#
- 1...Se3
- 2.Sd6#
- 1...Sca5
- 2.Sd6#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...d4
- 2.Be4#
- 1...Sb2!
- 1...Sxa1
- 1.Re2?
- 1...Sxa1
- 2.Sd4#
- 1...Sxe5
- 2.Sd6#
- 1...Sb2
- 2.Sd6#
- 1...Sc1
- 2.Sd4#
- 1...Sbd2
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sba5
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Scd2
- 2.Sd6#
- 1...Sa3
- 2.Sd6#
- 1...Se3
- 2.Sd6#
- 1...Sca5
- 2.Sd6#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...d4
- 2.Be4#
- 1...fxe5!
- 1...Sxa1
- 1.Qb2?
- 1...Sxb2
- 2.Sd6#
- 1...Sxe5
- 2.Sd6#
- 1...Sa1
- 2.Sd4#
- 1...Sc1
- 2.Sd4#
- 1...Sbd2
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sba5
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Scd2
- 2.Sd6#
- 1...Sa3
- 2.Sd6#
- 1...Se3
- 2.Sd6#
- 1...Sca5
- 2.Sd6#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...d4
- 2.Be4#
- 1...fxe5!
- 1...Sxb2
- 1.Qd1?
- threat
- 2.Qd3#
- 1...Sxe5
- 2.Sd6#
- 1...Sb2
- 2.Sd6#
- 1...Sc1
- 2.Sd4#
- 1...Sbd2
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Scd2
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...fxe5!
- threat
- 1.Qa6?
- 1...Sxe5
- 2.Sd6#
- 1...fxe5
- 2.Qxe6#
- 1...Sb2
- 2.Sd6#
- 1...Sa1
- 2.Sd4#
- 1...Sc1
- 2.Sd4#
- 1...Sbd2
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sba5
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Scd2
- 2.Sd6#
- 1...Sa3
- 2.Sd6#
- 1...Sca5
- 2.Sd6#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...d4
- 2.Be4#
- 1...Se3!
- 1...Sxe5
- 1.cxb3?
- threat
- 2.Sd4#
- 2.Qb1#
- 1...Sxe5
- 2.Sd4#
- 2.Sd6#
- 1...Se3
- 2.Sd4#
- 2.Sd6#
- 1...Sb2
- 2.Sd4#
- 2.Sd6#
- 1...Sd2
- 2.Sd4#
- 2.Sd6#
- 1...Sa3
- 2.Sd4#
- 2.Sd6#
- 1...Sd6
- 2.Sd4#
- 2.Sxd6#
- 1...d4
- 2.Sxd4#
- 2.Be4#
- 1...fxe5!
- threat
- 1.exf6?
- threat
- 2.Rg5#
- 1...Sxa1
- 2.Sd4#
- 1...gxf6
- 2.Rxf6#
- 2.Qxf6#
- 1...Sd4
- 2.Sxd4#
- 1...Sb2
- 2.Sd6#
- 2.Re5#
- 1...Se5
- 2.Sd6#
- 2.Rxe5#
- 2.Qxe5#
- 1...d4
- 2.Be4#
- 1...e5!
- threat
- 1.Bb8?
- Keys
- 1.Rxg7!
- 1...Sxa1
- 2.Sd4#
- 1...Sxe5
- 2.Sd6#
- 1...fxe5
- 2.Rf7#
- 1...Sb2
- 2.Sd6#
- 1...Sc1
- 2.Sd4#
- 1...Sbd2
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sba5
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Scd2
- 2.Sd6#
- 1...Sa3
- 2.Sd6#
- 1...Se3
- 2.Sd6#
- 1...Sca5
- 2.Sd6#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...d4
- 2.Be4#
- 1...Sxa1
- 1.Rxg7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD,XQ(A)::S(E)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD,XP(F)::S(E)
- S(c);N_GUARD::S(E),XS(c)
- P(e);OGATE::B(J)
- Tries
- Try
- B(I);
- Vars
- S(a);N_GUARD,XQ(A)::S(E)
- S(c);N_GUARD,XP(F)::S(E)
- P(e);OGATE::B(J)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- Refutation
- P(h);XP(F)
- Try
- B(I);
- Vars
- S(a);N_GUARD,XQ(A)::S(E)
- S(c);N_GUARD,XP(F)::S(E)
- P(h);N_GUARD,XP(F)::R1(H)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- Refutation
- P(e);
- Try
- B(J);XP(e)
- Threat
- B(J)
- Vars
- S(a);N_GUARD::S(E)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- Refutation
- P(g);XB(J)
- Try
- B(J);
- Vars
- S(a);N_GUARD,XQ(A)::S(E)
- S(c);N_GUARD,XP(F)::S(E)
- P(e);OGATE::B(J)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- Refutation
- P(h);XP(F)
- Try
- B(J);
- Vars
- S(a);N_GUARD,XQ(A)::S(E)
- S(c);N_GUARD,XP(F)::S(E)
- P(e);OGATE::B(J)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- Refutation
- P(h);XP(F)
- Try
- R(B);
- Vars
- S(a);N_GUARD,XQ(A)::S(E)
- S(c);N_GUARD,XP(F)::S(E)
- P(h);N_GUARD,XP(F)::R1(B)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- P(e);OGATE::B(J)
- Refutation
- S(c);
- Try
- R(B);
- Vars
- S(a);N_GUARD,XQ(A)::S(E)
- S(c);N_GUARD,XP(F)::S(E)
- S(c);N_GUARD::S(E)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::S(E),XS(c)
- P(e);OGATE::B(J)
- Refutation
- P(h);XP(F)
- Try
- Q(A);
- Vars
- S(c);N_GUARD,XQ(A)::S(E)
- S(c);N_GUARD,XP(F)::S(E)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- P(e);OGATE::B(J)
- Refutation
- P(h);XP(F)
- Try
- Q(A);
- Threat
- QAB(A)
- Vars
- S(c);N_GUARD,XP(F)::S(E)
- S(c);N_GUARD::S(E)
- S(a);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- Refutation
- P(h);XP(F)
- Try
- Q(A);
- Vars
- S(c);N_GUARD,XP(F)::S(E)
- P(h);XP(F)::QAB1(A),XP(g)
- S(c);N_GUARD::S(E)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::S(E),XS(c)
- P(e);OGATE::B(J)
- Refutation
- S(c);
- Try
- P(C);XS(a)
- Threat
- DUALS(2)
- Refutation
- P(h);XP(F)
- Try
- P(F);XP(h)
- Threat
- R1(H)
- Vars
- S(a);N_GUARD,XQ(A)::S(E)
- S(a);N_GUARD::S(E),XS(a)
- P(e);OGATE::B(J)
- Refutation
- P(g);
- Try
- Actual
- R(H);XP(i)
- Vars
- S(a);N_GUARD,XQ(A)::S(E)
- S(c);N_GUARD,XP(F)::S(E)
- P(h);OGATEB,XP(F)::R(H)
- S(c);N_GUARD::S(E)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::S(E),XS(c)
- P(e);OGATE::B(J)
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).