MESON Chess Problem Database
Problem Display
PID: 152333 (4N3/1K3Bpr/1P2Rp2/1n1p1k2/6pp/3P2Bn/8/2Q4N w - - 0 1)
Harley, Brian
British Chess Magazine, 1923
#2
9 + 9
| 15290 | Harley Scrapbook | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Rh5
- 2.Sxg7#
- 1...Rh6
- 2.Sxg7#
- 1...Rh8
- 2.Sxg7#
- 1...Sg1
- 2.Qf4#
- 1...Sf2
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Sg5
- 2.Qf4#
- 1...Sa3
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sd6+
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...hxg3
- 2.Sxg3#
- 1...d4
- 2.Qc5#
- 1...g5
- 2.Rxf6#
- 1...g6
- 2.Rxf6#
- 1...Rh5
- Tries
- 1.Ka6?
- 1...hxg3
- 2.Sxg3#
- 1...Sf4
- 2.Qxf4#
- 1...Rh5
- 2.Sxg7#
- 1...Rh6
- 2.Sxg7#
- 1...Rh8
- 2.Sxg7#
- 1...Sg1
- 2.Qf4#
- 1...Sf2
- 2.Qf4#
- 1...Sg5
- 2.Qf4#
- 1...Sa3
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...d4
- 2.Qc5#
- 1...g5
- 2.Rxf6#
- 1...g6
- 2.Rxf6#
- 1...Sc7+!
- 1...hxg3
- 1.Kb8?
- 1...hxg3
- 2.Sxg3#
- 1...Sf4
- 2.Qxf4#
- 1...Rh5
- 2.Sxg7#
- 1...Rh6
- 2.Sxg7#
- 1...Sg1
- 2.Qf4#
- 1...Sf2
- 2.Qf4#
- 1...Sg5
- 2.Qf4#
- 1...Sa3
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...d4
- 2.Qc5#
- 1...g5
- 2.Rxf6#
- 1...g6
- 2.Rxf6#
- 1...Rh8!
- 1...hxg3
- 1.Sf2?
- 1...Sd6+
- 2.Sxd6#
- 1...Sxf2
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Rh8
- 2.Sxg7#
- 1...Rh5
- 2.Sxg7#
- 1...Rh6
- 2.Sxg7#
- 1...Sg1
- 2.Qf4#
- 1...Sg5
- 2.Qf4#
- 1...Sa3
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sa7
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...d4
- 2.Qc5#
- 1...g5
- 2.Rxf6#
- 1...g6
- 2.Rxf6#
- 1...hxg3!
- 1...Sd6+
- 1.Bh2?
- 1...Sd6+
- 2.Sxd6#
- 1...Sf4
- 2.Qxf4#
- 1...Rh8
- 2.Sxg7#
- 1...Rh5
- 2.Sxg7#
- 1...Rh6
- 2.Sxg7#
- 1...Sg1
- 2.Qf4#
- 1...Sf2
- 2.Qf4#
- 1...Sg5
- 2.Qf4#
- 1...Sa3
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sa7
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...d4
- 2.Qc5#
- 1...g5
- 2.Rxf6#
- 1...g6
- 2.Rxf6#
- 1...g3!
- 1...Sd6+
- 1.Bxh4?
- threat
- 2.Sg3#
- 1...Sd6+
- 2.Sxd6#
- 1...g3!
- threat
- 1.Bc7?
- 1...Sd6+
- 2.Sxd6#
- 1...Sxc7
- 2.Sd6#
- 1...Sf4
- 2.Qxf4#
- 1...Rh8
- 2.Sxg7#
- 1...Rh5
- 2.Sxg7#
- 1...Rh6
- 2.Sxg7#
- 1...Sg1
- 2.Qf4#
- 1...Sf2
- 2.Qf4#
- 1...Sg5
- 2.Qf4#
- 1...Sa3
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sa7
- 2.Sd6#
- 1...d4
- 2.Qc5#
- 1...g5
- 2.Rxf6#
- 1...g6
- 2.Rxf6#
- 1...g3!
- 1...Sd6+
- 1.Bb8?
- 1...Sd6+
- 2.Sxd6#
- 1...Sf4
- 2.Qxf4#
- 1...Rh8
- 2.Sxg7#
- 1...Rh5
- 2.Sxg7#
- 1...Rh6
- 2.Sxg7#
- 1...Sg1
- 2.Qf4#
- 1...Sf2
- 2.Qf4#
- 1...Sg5
- 2.Qf4#
- 1...Sa3
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sa7
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...d4
- 2.Qc5#
- 1...g5
- 2.Rxf6#
- 1...g6
- 2.Rxf6#
- 1...g3!
- 1...Sd6+
- 1.Re1?
- 1...Sd6+
- 2.Sxd6#
- 1...hxg3
- 2.Sxg3#
- 1...Sf4
- 2.Qxf4#
- 1...Rh8
- 2.Sxg7#
- 1...Rh5
- 2.Sxg7#
- 1...Rh6
- 2.Sxg7#
- 1...Sg1
- 2.Qf4#
- 1...Sf2
- 2.Qf4#
- 1...Sg5
- 2.Qf4#
- 1...Sa3
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sa7
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...d4
- 2.Qc5#
- 1...g5
- 2.Qc8#
- 1...g6!
- 1...Sd6+
- 1.Re2?
- 1...Sd6+
- 2.Sxd6#
- 1...hxg3
- 2.Sxg3#
- 1...Sf4
- 2.Qxf4#
- 1...Rh8
- 2.Sxg7#
- 1...Rh5
- 2.Sxg7#
- 1...Rh6
- 2.Sxg7#
- 1...Sg1
- 2.Qf4#
- 1...Sf2
- 2.Rxf2#
- 2.Qf4#
- 1...Sg5
- 2.Qf4#
- 1...Sa3
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sa7
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...d4
- 2.Qc5#
- 1...g5
- 2.Qc8#
- 1...g6!
- 1...Sd6+
- 1.Re4?
- 1...Sd6+
- 2.Sxd6#
- 1...hxg3
- 2.Sxg3#
- 1...dxe4
- 2.Qc5#
- 1...Sf4
- 2.Qxf4#
- 1...Rh8
- 2.Sxg7#
- 1...Rh5
- 2.Sxg7#
- 1...Rh6
- 2.Sxg7#
- 1...Sg1
- 2.Qf4#
- 1...Sf2
- 2.Qf4#
- 1...Sg5
- 2.Qf4#
- 1...Sa3
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sa7
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...d4
- 2.Qc5#
- 1...g5
- 2.Qc8#
- 1...g6!
- 1...Sd6+
- 1.Rc6?
- 1...Sd6+
- 2.Sxd6#
- 1...Sf4
- 2.Qxf4#
- 1...Rh8
- 2.Sxg7#
- 1...Rh5
- 2.Sxg7#
- 1...Rh6
- 2.Sxg7#
- 1...Sg1
- 2.Qf4#
- 1...Sf2
- 2.Qf4#
- 1...Sg5
- 2.Qf4#
- 1...Sa3
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sa7
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...d4
- 2.Rc5#
- 2.Qc5#
- 1...g5
- 2.Rxf6#
- 1...g6
- 2.Rxf6#
- 1...hxg3!
- 1...Sd6+
- 1.Qd2?
- 1...Sd6+
- 2.Sxd6#
- 1...hxg3
- 2.Sxg3#
- 1...Sf4
- 2.Qxf4#
- 1...Rh8
- 2.Sxg7#
- 1...Rh5
- 2.Sxg7#
- 1...Rh6
- 2.Sxg7#
- 1...Sg1
- 2.Qf4#
- 1...Sf2
- 2.Qf4#
- 1...Sg5
- 2.Qf4#
- 1...Sa3
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sa7
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...g5
- 2.Rxf6#
- 1...g6
- 2.Rxf6#
- 1...d4!
- 1...Sd6+
- 1.Qe3?
- 1...Sd6+
- 2.Sxd6#
- 1...hxg3
- 2.Sxg3#
- 1...Sf4
- 2.Qxf4#
- 1...Rh8
- 2.Sxg7#
- 1...Rh5
- 2.Sxg7#
- 1...Rh6
- 2.Sxg7#
- 1...Sg1
- 2.Qf4#
- 1...Sf2
- 2.Qf4#
- 1...Sg5
- 2.Qf4#
- 1...Sa3
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sa7
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...g5
- 2.Rxf6#
- 1...g6
- 2.Rxf6#
- 1...d4!
- 1...Sd6+
- 1.d4?
- 1...Sd6+
- 2.Sxd6#
- 1...Sxd4
- 2.Sd6#
- 1...hxg3
- 2.Sxg3#
- 1...Sf4
- 2.Qxf4#
- 1...Rh8
- 2.Sxg7#
- 1...Rh5
- 2.Sxg7#
- 1...Rh6
- 2.Sxg7#
- 1...Sg1
- 2.Qf4#
- 1...Sf2
- 2.Qf4#
- 1...Sg5
- 2.Qf4#
- 1...Sa3
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sa7
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...g5
- 2.Qb1#
- 2.Qc2#
- 1...g6!
- 1...Sd6+
- 1.Ka6?
- Keys
- 1.Re7!
- 1...Sd6+
- 2.Sxd6#
- 1...hxg3
- 2.Sxg3#
- 1...Sf4
- 2.Qxf4#
- 1...Rh8
- 2.Sxg7#
- 1...Rh5
- 2.Sxg7#
- 1...Rh6
- 2.Sxg7#
- 1...Sg1
- 2.Qf4#
- 1...Sf2
- 2.Qf4#
- 1...Sg5
- 2.Qf4#
- 1...Sa3
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sd4
- 2.Sd6#
- 1...Sa7
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...d4
- 2.Qc5#
- 1...g5
- 2.Qc8#
- 1...g6
- 2.Be6#
- 1...Sd6+
- 1.Re7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(i);N_GUARD::S(I),XP(h)
- S(a);N_GUARD::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- S(d);N_GUARD::S(I)
- S(d);CHECK,N_GUARD::S(I),XS(d)
- P(c);XB(D)::S(B),XP(c)
- P(e);OGATEB::QAR(A)
- P(h);N_GUARD,P_PINB(H)::R1(F),XP(g)
- Tries
- Try
- K(G);S_FLIGHT
- Vars
- P(c);XB(D)::S(B),XP(c)
- S(a);N_GUARD::QAR1(A),XS(a)
- R(i);N_GUARD::S(I),XP(h)
- S(a);N_GUARD::QAR1(A)
- S(d);N_GUARD::S(I)
- S(d);N_GUARD::S(I),XS(d)
- P(e);OGATEB::QAR(A)
- P(h);N_GUARD::R1(F),XP(g)
- Refutation
- S(d);CHECK
- Try
- K(G);P-FLIGHT
- Vars
- P(c);XB(D)::S(B),XP(c)
- S(a);N_GUARD::QAR1(A),XS(a)
- R(i);N_GUARD::S(I),XP(h)
- S(a);N_GUARD::QAR1(A)
- S(d);N_GUARD::S(I)
- S(d);N_GUARD::S(I),XS(d)
- P(e);OGATEB::QAR(A)
- P(h);N_GUARD::R1(F),XP(g)
- Refutation
- R(i);P_PINS(I)
- Try
- S(B);
- Vars
- S(d);CHECK,N_GUARD::S(I),XS(d)
- S(a);N_GUARD,XS(B)::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- R(i);N_GUARD::S(I),XP(h)
- S(a);N_GUARD::QAR1(A)
- S(d);N_GUARD::S(I)
- P(e);OGATEB::QAR(A)
- P(h);N_GUARD,P_PINB(H)::R1(F),XP(g)
- Refutation
- P(c);XB(D)
- Try
- B(D);
- Vars
- S(d);CHECK,N_GUARD::S(I),XS(d)
- S(a);N_GUARD::QAR1(A),XS(a)
- R(i);N_GUARD::S(I),XP(h)
- S(a);N_GUARD::QAR1(A)
- S(d);N_GUARD::S(I)
- P(e);OGATEB::QAR(A)
- P(h);N_GUARD,P_PINB(H)::R1(F),XP(g)
- Refutation
- P(b);
- Try
- B(D);XP(c)
- Threat
- S(B)
- Vars
- S(d);CHECK,N_GUARD::S(I),XS(d)
- Refutation
- P(b);
- Try
- B(D);
- Vars
- S(d);CHECK,N_GUARD::S(I),XS(d)
- S(d);N_GUARD,XB(D)::S(I)
- S(a);N_GUARD::QAR1(A),XS(a)
- R(i);N_GUARD::S(I),XP(h)
- S(a);N_GUARD::QAR1(A)
- S(d);N_GUARD::S(I)
- P(e);OGATEB::QAR(A)
- P(h);N_GUARD::R1(F),XP(g)
- Refutation
- P(b);
- Try
- B(D);
- Vars
- S(d);CHECK,N_GUARD::S(I),XS(d)
- S(a);N_GUARD::QAR1(A),XS(a)
- R(i);N_GUARD::S(I),XP(h)
- S(a);N_GUARD::QAR1(A)
- S(d);N_GUARD::S(I)
- P(e);OGATEB::QAR(A)
- P(h);N_GUARD,P_PINB(H)::R1(F),XP(g)
- Refutation
- P(b);
- Try
- R(F);
- Vars
- S(d);CHECK,N_GUARD::S(I),XS(d)
- P(c);XB(D)::S(B),XP(c)
- S(a);N_GUARD::QAR1(A),XS(a)
- R(i);N_GUARD::S(I),XP(h)
- S(a);N_GUARD::QAR1(A)
- S(d);N_GUARD::S(I)
- P(e);OGATEB::QAR(A)
- P(h);P_PINB(H),SBLOCK::QAB(A)
- Refutation
- P(h);P_PINB(H)
- Try
- R(F);
- Vars
- S(d);CHECK,N_GUARD::S(I),XS(d)
- P(c);XB(D)::S(B),XP(c)
- S(a);N_GUARD::QAR1(A),XS(a)
- R(i);N_GUARD::S(I),XP(h)
- S(a);N_GUARD::QAR1(A)
- S(d);N_GUARD::S(I)
- P(e);OGATEB::QAR(A)
- P(h);P_PINB(H),SBLOCK::QAB(A)
- Refutation
- P(h);P_PINB(H)
- Try
- R(F);
- Vars
- S(d);CHECK,N_GUARD::S(I),XS(d)
- P(c);XB(D)::S(B),XP(c)
- P(e);OGATEB,XR(F)::QAR(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- R(i);N_GUARD::S(I),XP(h)
- S(a);N_GUARD::QAR1(A)
- S(d);N_GUARD::S(I)
- P(e);OGATEB::QAR(A)
- P(h);P_PINB(H),SBLOCK::QAB(A)
- Refutation
- P(h);P_PINB(H)
- Try
- R(F);
- Vars
- S(d);CHECK,N_GUARD::S(I),XS(d)
- S(a);N_GUARD::QAR1(A),XS(a)
- R(i);N_GUARD::S(I),XP(h)
- S(a);N_GUARD::QAR1(A)
- S(d);N_GUARD::S(I)
- P(h);N_GUARD,P_PINB(H)::R1(F),XP(g)
- Refutation
- P(c);XB(D)
- Try
- Q(A);
- Vars
- S(d);CHECK,N_GUARD::S(I),XS(d)
- P(c);XB(D)::S(B),XP(c)
- S(a);N_GUARD::QAR1(A),XS(a)
- R(i);N_GUARD::S(I),XP(h)
- S(a);N_GUARD::QAR1(A)
- S(d);N_GUARD::S(I)
- P(h);N_GUARD,P_PINB(H)::R1(F),XP(g)
- Refutation
- P(e);
- Try
- Q(A);
- Vars
- S(d);CHECK,N_GUARD::S(I),XS(d)
- P(c);XB(D)::S(B),XP(c)
- S(a);N_GUARD::QAR1(A),XS(a)
- R(i);N_GUARD::S(I),XP(h)
- S(a);N_GUARD::QAR1(A)
- S(d);N_GUARD::S(I)
- P(h);N_GUARD,P_PINB(H)::R1(F),XP(g)
- Refutation
- P(e);
- Try
- P(C);
- Vars
- S(d);CHECK,N_GUARD::S(I),XS(d)
- S(d);N_GUARD,XP(C)::S(I)
- P(c);XB(D)::S(B),XP(c)
- S(a);N_GUARD::QAR1(A),XS(a)
- R(i);N_GUARD::S(I),XP(h)
- S(a);N_GUARD::QAR1(A)
- S(d);N_GUARD::S(I)
- Refutation
- P(h);P_PINB(H)
- Try
- Actual
- R(F);
- Vars
- S(d);CHECK,N_GUARD::S(I),XS(d)
- P(c);XB(D)::S(B),XP(c)
- S(a);N_GUARD::QAR1(A),XS(a)
- R(i);N_GUARD::S(I),XP(h)
- S(a);N_GUARD::QAR1(A)
- S(d);N_GUARD::S(I)
- P(e);OGATEB::QAR(A)
- P(h);SBLOCK::QAB(A)
- P(h);SBLOCK::B(H)
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).