MESON Chess Problem Database
Problem Display
PID: 22058 (8/8/8/2N5/B1p1Q3/4n3/p3R3/B1kn2K1 w - - 0 1)
Grant, Herbert W
1st Prize, Australian Columns, 1924
#2
6 + 5
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
| 3310 | 2345 Chess Problems | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Bxb2#
- 1...Sf2
- 2.Bb2#
- 1...Sc3
- 2.Bb2#
- 1...Sf1
- 2.Qc2#
- 1...Sc2
- 2.Qxc2#
- 1...Sg2
- 2.Qc2#
- 1...Sg4
- 2.Qc2#
- 1...Sd5
- 2.Qc2#
- 1...Sf5
- 2.Qc2#
- 1...c3
- 2.Sb3#
- 1...Sb2
- Tries
- 1.Kh1?
- 1...Sc2
- 2.Qxc2#
- 1...Sb2
- 2.Bxb2#
- 1...Sc3
- 2.Bb2#
- 1...Sf1
- 2.Qc2#
- 1...Sg2
- 2.Qc2#
- 1...Sg4
- 2.Qc2#
- 1...Sd5
- 2.Qc2#
- 1...Sf5
- 2.Qc2#
- 1...c3
- 2.Sb3#
- 1...Sf2+!
- 1...Sc2
- 1.Sa6?
- 1...Sc2
- 2.Qxc2#
- 1...Sb2
- 2.Bxb2#
- 1...Sf2
- 2.Bb2#
- 1...Sc3
- 2.Bb2#
- 1...Sf1
- 2.Qc2#
- 1...Sg2
- 2.Qc2#
- 1...Sg4
- 2.Qc2#
- 1...Sd5
- 2.Qc2#
- 1...Sf5
- 2.Qc2#
- 1...c3!
- 1...Sc2
- 1.Se6?
- 1...Sc2
- 2.Qxc2#
- 1...Sb2
- 2.Bxb2#
- 1...Sf2
- 2.Bb2#
- 1...Sc3
- 2.Bb2#
- 1...Sf1
- 2.Qc2#
- 1...Sg2
- 2.Qc2#
- 1...Sg4
- 2.Qc2#
- 1...Sd5
- 2.Qc2#
- 1...Sf5
- 2.Qc2#
- 1...c3!
- 1...Sc2
- 1.Sb7?
- 1...Sc2
- 2.Qxc2#
- 1...Sb2
- 2.Bxb2#
- 1...Sf2
- 2.Bb2#
- 1...Sc3
- 2.Bb2#
- 1...Sf1
- 2.Qc2#
- 1...Sg2
- 2.Qc2#
- 1...Sg4
- 2.Qc2#
- 1...Sd5
- 2.Qc2#
- 1...Sf5
- 2.Qc2#
- 1...c3!
- 1...Sc2
- 1.Sd7?
- 1...Sc2
- 2.Qxc2#
- 1...Sb2
- 2.Bxb2#
- 1...Sf2
- 2.Bb2#
- 1...Sc3
- 2.Bb2#
- 1...Sf1
- 2.Qc2#
- 1...Sg2
- 2.Qc2#
- 1...Sg4
- 2.Qc2#
- 1...Sd5
- 2.Qc2#
- 1...Sf5
- 2.Qc2#
- 1...c3!
- 1...Sc2
- 1.Bb3?
- 1...cxb3
- 2.Sxb3#
- 1...Sc2
- 2.Qxc2#
- 1...Sb2
- 2.Bxb2#
- 1...Sf2
- 2.Bb2#
- 1...Sc3
- 2.Bb2#
- 1...Sf1
- 2.Qc2#
- 1...Sg2
- 2.Qc2#
- 1...Sg4
- 2.Qc2#
- 1...Sd5
- 2.Qc2#
- 1...Sf5
- 2.Qc2#
- 1...c3!
- 1...cxb3
- 1.Re1?
- 1...Sc2
- 2.Qxc2#
- 1...c3
- 2.Sb3#
- 1...Sf1
- 2.Rxd1#
- 2.Qc2#
- 1...Sg2
- 2.Rxd1#
- 2.Qc2#
- 1...Sg4
- 2.Rxd1#
- 2.Qc2#
- 1...Sd5
- 2.Rxd1#
- 2.Qc2#
- 1...Sf5
- 2.Rxd1#
- 2.Qc2#
- 1...Kd2!
- 1...Sc2
- 1.Rb2?
- 1...Sc2
- 2.Qxc2#
- 1...c3
- 2.Sb3#
- 2.Sd3#
- 1...Sf2
- 2.Qxe3#
- 1...Sc3
- 2.Qxe3#
- 1...Sf1
- 2.Qc2#
- 1...Sg2
- 2.Qc2#
- 1...Sg4
- 2.Qc2#
- 1...Sd5
- 2.Qc2#
- 1...Sf5
- 2.Qc2#
- 1...Sxb2!
- 1...Sc2
- 1.Rc2+?
- 1...Sxc2
- 2.Qxc2#
- 1...Kb1!
- 1...Sxc2
- 1.Rf2?
- 1...Sc2
- 2.Qxc2#
- 1...c3
- 2.Sb3#
- 1...Sb2
- 2.Bxb2#
- 1...Sc3
- 2.Bb2#
- 1...Sf1
- 2.Qc2#
- 1...Sg2
- 2.Qc2#
- 1...Sg4
- 2.Qc2#
- 1...Sd5
- 2.Qc2#
- 1...Sf5
- 2.Qc2#
- 1...Sxf2!
- 1...Sc2
- 1.Rg2?
- 1...Sxg2
- 2.Qc2#
- 1...Sc2
- 2.Qxc2#
- 1...c3
- 2.Sb3#
- 1...Sb2
- 2.Bxb2#
- 1...Sc3
- 2.Bb2#
- 1...Sf1
- 2.Qc2#
- 1...Sg4
- 2.Qc2#
- 1...Sd5
- 2.Qc2#
- 1...Sf5
- 2.Qc2#
- 1...Sf2!
- 1...Sxg2
- 1.Rh2?
- 1...Sc2
- 2.Qxc2#
- 1...Sg2
- 2.Qc2#
- 1...c3
- 2.Sb3#
- 1...Sb2
- 2.Bxb2#
- 1...Sc3
- 2.Bb2#
- 1...Sf1
- 2.Qc2#
- 1...Sg4
- 2.Qc2#
- 1...Sd5
- 2.Qc2#
- 1...Sf5
- 2.Qc2#
- 1...Sf2!
- 1...Sc2
- 1.Qd3?
- 1...Sc2
- 2.Qxc2#
- 1...c3
- 2.Sb3#
- 1...Sb2
- 2.Bxb2#
- 1...Sf2
- 2.Bb2#
- 1...Sc3
- 2.Bb2#
- 1...Sf1
- 2.Qc2#
- 2.Qxd1#
- 1...Sg2
- 2.Qc2#
- 2.Qxd1#
- 1...Sg4
- 2.Qc2#
- 2.Qxd1#
- 1...Sd5
- 2.Qc2#
- 2.Qxd1#
- 1...Sf5
- 2.Qc2#
- 2.Qxd1#
- 1...cxd3!
- 1...Sc2
- 1.Qf5?
- 1...Sc2
- 2.Qxc2#
- 1...c3
- 2.Sb3#
- 1...Sb2
- 2.Bxb2#
- 1...Sf2
- 2.Bb2#
- 1...Sc3
- 2.Bb2#
- 1...Sf1
- 2.Qc2#
- 1...Sg2
- 2.Qc2#
- 1...Sg4
- 2.Qc2#
- 1...Sd5
- 2.Qc2#
- 1...Sxf5!
- 1...Sc2
- 1.Qg6?
- 1...Sc2
- 2.Qxc2#
- 1...c3
- 2.Sb3#
- 1...Sb2
- 2.Bxb2#
- 1...Sf2
- 2.Bb2#
- 1...Sc3
- 2.Bb2#
- 1...Sf1
- 2.Qc2#
- 1...Sg2
- 2.Qc2#
- 1...Sg4
- 2.Qc2#
- 1...Sd5
- 2.Qc2#
- 1...Sf5!
- 1...Sc2
- 1.Qh7?
- 1...Sc2
- 2.Qxc2#
- 1...c3
- 2.Sb3#
- 1...Sb2
- 2.Bxb2#
- 1...Sf2
- 2.Bb2#
- 1...Sc3
- 2.Bb2#
- 1...Sf1
- 2.Qc2#
- 1...Sg2
- 2.Qc2#
- 1...Sg4
- 2.Qc2#
- 1...Sd5
- 2.Qc2#
- 1...Sf5!
- 1...Sc2
- 1.Kh1?
- Keys
- 1.Qb7!
- 1...Sb2
- 2.Qxb2#
- 1...c3
- 2.Sd3#
- 1...Sf2
- 2.Qb2#
- 1...Sc3
- 2.Qb2#
- 1...Sf1
- 2.Rc2#
- 1...Sc2
- 2.Rxc2#
- 1...Sg2
- 2.Rc2#
- 1...Sg4
- 2.Rc2#
- 1...Sd5
- 2.Rc2#
- 1...Sf5
- 2.Rc2#
- 1...Sb2
- 1.Qb7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 10
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::B(A),XS(b)
- S(b);N_GUARD::B(A)
- S(d);N_GUARD::QAR1(E)
- S(d);N_GUARD::QAR1(E),XS(d)
- P(e);N_GUARD::S(F)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- S(d);N_GUARD::QAR1(E),XS(d)
- S(b);N_GUARD::B(A),XS(b)
- S(b);N_GUARD::B(A)
- S(d);N_GUARD::QAR1(E)
- P(e);N_GUARD::S(F)
- Refutation
- S(b);CHECK
- Try
- S(F);
- Vars
- S(d);N_GUARD::QAR1(E),XS(d)
- S(b);N_GUARD::B(A),XS(b)
- S(b);N_GUARD::B(A)
- S(d);N_GUARD::QAR1(E)
- Refutation
- P(e);
- Try
- S(F);
- Vars
- S(d);N_GUARD::QAR1(E),XS(d)
- S(b);N_GUARD::B(A),XS(b)
- S(b);N_GUARD::B(A)
- S(d);N_GUARD::QAR1(E)
- Refutation
- P(e);
- Try
- S(F);
- Vars
- S(d);N_GUARD::QAR1(E),XS(d)
- S(b);N_GUARD::B(A),XS(b)
- S(b);N_GUARD::B(A)
- S(d);N_GUARD::QAR1(E)
- Refutation
- P(e);
- Try
- S(F);
- Vars
- S(d);N_GUARD::QAR1(E),XS(d)
- S(b);N_GUARD::B(A),XS(b)
- S(b);N_GUARD::B(A)
- S(d);N_GUARD::QAR1(E)
- Refutation
- P(e);
- Try
- B(D);
- Vars
- P(e);XB(D)::S(F),XP(e)
- S(d);N_GUARD::QAR1(E),XS(d)
- S(b);N_GUARD::B(A),XS(b)
- S(b);N_GUARD::B(A)
- S(d);N_GUARD::QAR1(E)
- Refutation
- P(e);
- Try
- R(C);P_PINS(b)
- Vars
- S(d);N_GUARD::QAR1(E),XS(d)
- P(e);N_GUARD::S(F)
- Refutation
- K(a);N_SPINS(b),S_FLIGHT
- Try
- R(C);
- Vars
- S(d);N_GUARD::QAR1(E),XS(d)
- S(b);N_GUARD::QAB(E),XS(d)
- S(d);N_GUARD::QAR1(E)
- Refutation
- S(b);XR(C)
- Try
- R(C);CHECK
- Vars
- S(d);OGATE,XR(C)::QAR1(E),XS(d)
- Refutation
- K(a);P-FLIGHT
- Try
- R(C);
- Vars
- S(d);N_GUARD::QAR1(E),XS(d)
- P(e);N_GUARD::S(F)
- S(b);N_GUARD::B(A),XS(b)
- S(b);N_GUARD::B(A)
- S(d);N_GUARD::QAR1(E)
- Refutation
- S(b);XR(C)
- Try
- R(C);
- Vars
- S(d);N_GUARD,XR(C)::QAR1(E)
- S(d);N_GUARD::QAR1(E),XS(d)
- P(e);N_GUARD::S(F)
- S(b);N_GUARD::B(A),XS(b)
- S(b);N_GUARD::B(A)
- S(d);N_GUARD::QAR1(E)
- Refutation
- S(b);
- Try
- R(C);
- Vars
- S(d);N_GUARD::QAR1(E),XS(d)
- S(d);N_GUARD::QAR1(E)
- P(e);N_GUARD::S(F)
- S(b);N_GUARD::B(A),XS(b)
- S(b);N_GUARD::B(A)
- Refutation
- S(b);
- Try
- Q(E);
- Vars
- S(d);N_GUARD::QAR1(E),XS(d)
- P(e);N_GUARD::S(F)
- S(b);N_GUARD::B(A),XS(b)
- S(b);N_GUARD::B(A)
- Refutation
- P(e);XQ(E)
- Try
- Q(E);
- Vars
- S(d);N_GUARD::QAR1(E),XS(d)
- P(e);N_GUARD::S(F)
- S(b);N_GUARD::B(A),XS(b)
- S(b);N_GUARD::B(A)
- S(d);N_GUARD::QAR1(E)
- Refutation
- S(d);XQ(E)
- Try
- Q(E);
- Vars
- S(d);N_GUARD::QAR1(E),XS(d)
- P(e);N_GUARD::S(F)
- S(b);N_GUARD::B(A),XS(b)
- S(b);N_GUARD::B(A)
- S(d);N_GUARD::QAR1(E)
- Refutation
- S(d);
- Try
- Q(E);
- Vars
- S(d);N_GUARD::QAR1(E),XS(d)
- P(e);N_GUARD::S(F)
- S(b);N_GUARD::B(A),XS(b)
- S(b);N_GUARD::B(A)
- S(d);N_GUARD::QAR1(E)
- Refutation
- S(d);
- Try
- Actual
- Q(E);
- Vars
- S(b);N_GUARD::QAB1(E),XS(b)
- P(e);N_GUARD::S(F)
- S(b);N_GUARD::QAB1(E)
- S(d);N_GUARD::R1(C)
- S(d);N_GUARD::R1(C),XS(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).