MESON Chess Problem Database
Problem Display
PID: 61343 (1K6/3PQN1B/8/5n1r/4Rp1B/1Npn1k1P/5P1R/8 w - - 0 1)
Barclay, William A
Cleveland Plain Dealer, 0000
#2
11 + 6
| 268 | Chess Life | 1961 |
SOLUTION
- SOUND
- Sets
- 1...Rxh4
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Rh6
- 2.Sg5#
- 1...Rxh7
- 2.Sg5#
- 1...Sxf2
- 2.Rxf2#
- 1...Se3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sxh4
- 2.Sd4#
- 1...Sd6
- 2.Sd4#
- 1...Sh6
- 2.Sd4#
- 1...Sxe7
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...c2
- 2.Sd2#
- 1...Rxh4
- Tries
- 1.Bxf5?
- threat
- 2.Sd4#
- 2.Bg4#
- 1...Rxh4
- 2.Sd4#
- 2.Sg5#
- 1...Rxf5
- 2.Sd4#
- 1...Sxf2
- 2.Sd4#
- 2.Se5#
- 2.Rxf2#
- 1...Rg5
- 2.Sd4#
- 2.Sxg5#
- 1...Se5
- 2.Sd4#
- 2.Sxe5#
- 1...Rh8+!
- threat
- 1.Re1?
- threat
- 2.Qe2#
- 2.Qe4#
- 1...Sxf2
- 2.Se5#
- 2.Rxf2#
- 2.Qe2#
- 1...Sxe7
- 2.Sd4#
- 2.Be4#
- 1...Sc1
- 2.Se5#
- 2.Qe4#
- 1...Sc5
- 2.Se5#
- 2.Qe2#
- 1...Se5
- 2.Sxe5#
- 1...Se3
- 2.Sd4#
- 2.Be4#
- 2.Qe4#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 2.Be4#
- 2.Qe4#
- 1...Sd6
- 2.Sd4#
- 2.Qe2#
- 1...Sxe1!
- threat
- 1.Re3+?
- 1...Sxe3
- 2.Sd4#
- 1...fxe3!
- 1...Sxe3
- 1.Qb4?
- 1...Rxh4
- 2.Sg5#
- 1...Rxh7
- 2.Sg5#
- 1...Sxf2
- 2.Se5#
- 2.Rxf2#
- 1...Sxh4
- 2.Sd4#
- 1...Se3
- 2.Sd4#
- 1...Sc1
- 2.Se5#
- 1...Rg5
- 2.Sxg5#
- 1...Rh6
- 2.Sg5#
- 1...Se1
- 2.Se5#
- 1...Sb2
- 2.Se5#
- 1...Sc5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sd6
- 2.Sd4#
- 1...Sh6
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...c2
- 2.Sd2#
- 1...Sxb4!
- 1...Rxh4
- 1.Qg5?
- threat
- 2.Qg2#
- 1...Rxg5
- 2.Sxg5#
- 1...Sxh4
- 2.Sd4#
- 2.Qg4#
- 2.Qxh5#
- 1...Se1
- 2.Qxf4#
- 1...Se3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 2.Qg4#
- 1...Kxe4!
- threat
- 1.Qd6?
- 1...Kxe4
- 2.Qc6#
- 1...Rxh4
- 2.Sg5#
- 1...Rxh7
- 2.Sg5#
- 1...Sxf2
- 2.Qxf4#
- 1...Sxh4
- 2.Sd4#
- 2.Qxd3#
- 1...Sxd6
- 2.Sd4#
- 1...Sc1
- 2.Qxf4#
- 1...Rg5
- 2.Sxg5#
- 1...Rh6
- 2.Sg5#
- 1...Se1
- 2.Qxf4#
- 1...Sb2
- 2.Qxf4#
- 1...Sb4
- 2.Qxf4#
- 1...Sc5
- 2.Qxf4#
- 1...Se3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 2.Qxd3#
- 1...Sd4
- 2.Sxd4#
- 1...Sh6
- 2.Sd4#
- 2.Qxd3#
- 1...Se7
- 2.Sd4#
- 2.Qxd3#
- 1...Sg7
- 2.Sd4#
- 2.Qxd3#
- 1...c2
- 2.Sd2#
- 1...Se5!
- 1...Kxe4
- 1.Qe5?
- 1...Rxh4
- 2.Sg5#
- 1...Rxh7
- 2.Sg5#
- 1...Sxf2
- 2.Rxf2#
- 2.Rxf4#
- 2.Qxf4#
- 1...Sxh4
- 2.Sd4#
- 2.Qxh5#
- 1...Se3
- 2.Sd4#
- 1...Sc1
- 2.Rxf4#
- 2.Qxf4#
- 1...Rg5
- 2.Sxg5#
- 1...Rh6
- 2.Sg5#
- 1...Se1
- 2.Rxf4#
- 2.Qxf4#
- 1...Sb2
- 2.Rxf4#
- 2.Qxf4#
- 1...Sb4
- 2.Rxf4#
- 2.Qxf4#
- 1...Sc5
- 2.Rxf4#
- 2.Qxf4#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 2.Qxh5#
- 1...Sd6
- 2.Sd4#
- 2.Qxh5#
- 1...Sh6
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 2.Qxh5#
- 1...Sg7
- 2.Sd4#
- 1...c2
- 2.Sd2#
- 1...Sxe5!
- 1...Rxh4
- 1.Bxf5?
- Keys
- 1.Qa3!
- 1...Kxe4
- 2.Qa8#
- 1...Rxh4
- 2.Sg5#
- 1...Rxh7
- 2.Sg5#
- 1...Sxf2
- 2.Sd2#
- 1...Sxh4
- 2.Sd4#
- 1...Sc1
- 2.Sd2#
- 1...Rg5
- 2.Sxg5#
- 1...Rh6
- 2.Sg5#
- 1...Se1
- 2.Sd2#
- 1...Sb2
- 2.Sd2#
- 1...Sb4
- 2.Sd2#
- 1...Sc5
- 2.Sd2#
- 1...Se5
- 2.Sd2#
- 1...Se3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sd6
- 2.Sd4#
- 1...Sh6
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...c2
- 2.Sd2#
- 1...Kxe4
- 1.Qa3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- R(f);N_GUARD,XB(F)::S(I)
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- R(f);N_GUARD,XB(J)::S(I)
- S(b);OGATE,XP(A)::R1(B),XS(b)
- S(e);N_GUARD::S(C)
- S(e);N_GUARD::S(C),XS(e)
- S(e);N_GUARD,XB(F)::S(C)
- S(e);N_GUARD,XQ(H)::S(C)
- P(a);N_GUARD::S(C)
- Tries
- Try
- B(J);XS(e)
- Threat
- DUALS(2)
- Vars
- R(f);XB(J)::S(C)
- Refutation
- R(f);CHECK
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- S(b);N_GUARD::S(I),XS(b)
- S(e);N_GUARD::S(C)
- Refutation
- S(b);XR(E)
- Try
- R(E);CHECK
- Vars
- S(e);XR(E)::S(C)
- Refutation
- P(d);XR(E)
- Try
- Q(H);
- Vars
- R(f);N_GUARD,XB(F)::S(I)
- R(f);N_GUARD,XB(J)::S(I)
- S(e);N_GUARD,XB(F)::S(C)
- S(e);N_GUARD::S(C)
- S(b);N_GUARD::S(I)
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- S(b);N_GUARD::S(I),XS(b)
- S(e);N_GUARD::S(C),XS(e)
- P(a);N_GUARD::S(C)
- Refutation
- S(b);XQ(H)
- Try
- Q(H);
- Threat
- QAB1(H)
- Vars
- R(f);XQ(H)::S(I),XR(f)
- S(b);N_GUARD::QAR1(H),XP(d)
- S(e);N_GUARD::S(C)
- Refutation
- K(c);P_SPINS(e),S_FLIGHT,XR(E)
- Try
- Q(H);
- Vars
- K(c);OGATEB,P_SPINS(e),S_FLIGHT,XR(E)::QAB(H)
- R(f);N_GUARD,XB(F)::S(I)
- R(f);N_GUARD,XB(J)::S(I)
- S(b);N_GUARD,XP(A)::QAR1(H),XP(d)
- S(e);N_GUARD,XQ(H)::S(C)
- S(b);N_GUARD::QAR1(H),XP(d)
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- S(e);N_GUARD::S(C)
- S(e);N_GUARD::S(C),XS(e)
- P(a);N_GUARD::S(C)
- Refutation
- S(b);
- Try
- Q(H);
- Vars
- R(f);N_GUARD,XB(F)::S(I)
- R(f);N_GUARD,XB(J)::S(I)
- S(e);N_GUARD::S(C)
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- P(a);N_GUARD::S(C)
- Refutation
- S(b);XQ(H)
- Try
- Actual
- Q(H);
- Vars
- K(c);OGATEB,P_SPINS(e),S_FLIGHT,XR(E)::QAB(H)
- R(f);N_GUARD,XB(F)::S(I)
- R(f);N_GUARD,XB(J)::S(I)
- S(b);S_CUTP(a),XP(A)::S(C)
- S(e);N_GUARD,XB(F)::S(C)
- S(b);S_CUTP(a)::S(C)
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- S(e);N_GUARD::S(C)
- S(e);N_GUARD::S(C),XS(e)
- P(a);N_GUARD::S(C)
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).