MESON Chess Problem Database
Problem Display
PID: 152943 (R1R5/1k6/4p3/pn2N3/P2n2p1/2p1B1P1/2P2K2/1Q6 w - - 0 1)
Harley, Brian
Sunday Statesman (Calcutta), 1934
(First published on Sun Oct 7 1934)
#2
9 + 7
| 15290 | Harley Scrapbook | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Kb6
- 2.Qxb5#
- 1...Sxc2
- 2.Qh1#
- 2.Qxb5#
- 1...Se2
- 2.Qh1#
- 2.Qxb5#
- 1...Sb3
- 2.Qh1#
- 1...Sf3
- 2.Qxb5#
- 1...Sf5
- 2.Qh1#
- 2.Qxb5#
- 1...Sc6
- 2.Qxb5#
- 1...Kb6
- Tries
- 1.Kf1?
- 1...Kb6
- 2.Qxb5#
- 1...Sxc2
- 2.Qxb5#
- 1...Se2
- 2.Qxb5#
- 1...Sf3
- 2.Qxb5#
- 1...Sf5
- 2.Qxb5#
- 1...Sc6
- 2.Qxb5#
- 1...Sb3!
- 1...Kb6
- 1.Kg2?
- 1...Kb6
- 2.Qxb5#
- 1...Sxc2
- 2.Qxb5#
- 1...Se2
- 2.Qxb5#
- 1...Sf3
- 2.Qxb5#
- 1...Sf5
- 2.Qxb5#
- 1...Sc6
- 2.Qxb5#
- 1...Sb3!
- 1...Kb6
- 1.Sd3?
- 1...Kb6
- 2.Qxb5#
- 1...Sxc2
- 2.Qh1#
- 2.Qxb5#
- 1...Sb3
- 2.Qh1#
- 1...Se2
- 2.Qh1#
- 2.Qxb5#
- 1...Sf3
- 2.Qxb5#
- 1...Sf5
- 2.Qh1#
- 2.Qxb5#
- 1...Sc6
- 2.Qxb5#
- 1...e5!
- 1...Kb6
- 1.Sc4?
- 1...Sxc2
- 2.Sxa5#
- 2.Sd6#
- 2.Qh1#
- 2.Qxb5#
- 1...Sb3
- 2.Qh1#
- 1...Se2
- 2.Sxa5#
- 2.Sd6#
- 2.Qh1#
- 2.Qxb5#
- 1...Sf3
- 2.Sxa5#
- 2.Sd6#
- 2.Qxb5#
- 1...Sf5
- 2.Sxa5#
- 2.Qh1#
- 2.Qxb5#
- 1...Sc6
- 2.Sd6#
- 2.Qxb5#
- 1...e5!
- 1...Sxc2
- 1.Sxg4?
- 1...Kb6
- 2.Qxb5#
- 1...Sxc2
- 2.Qh1#
- 2.Qxb5#
- 1...Sb3
- 2.Qh1#
- 1...Se2
- 2.Qh1#
- 2.Qxb5#
- 1...Sf3
- 2.Qxb5#
- 1...Sf5
- 2.Qh1#
- 2.Qxb5#
- 1...Sc6
- 2.Qxb5#
- 1...e5!
- 1...Kb6
- 1.Sc6?
- 1...Kb6
- 2.Qxb5#
- 1...Sxc2
- 2.Sxa5#
- 2.Sd8#
- 2.Qxb5#
- 1...Sxc6
- 2.Qxb5#
- 1...Sb3
- 2.Sd8#
- 1...Se2
- 2.Sxa5#
- 2.Sd8#
- 2.Qxb5#
- 1...Sf3
- 2.Sxa5#
- 2.Sd8#
- 2.Qxb5#
- 1...Sf5
- 2.Sxa5#
- 2.Sd8#
- 2.Qxb5#
- 1...e5!
- 1...Kb6
- 1.Sg6?
- 1...Kb6
- 2.Qxb5#
- 1...Sxc2
- 2.Qh1#
- 2.Qxb5#
- 1...Se2
- 2.Qh1#
- 2.Qxb5#
- 1...Sb3
- 2.Qh1#
- 1...Sf3
- 2.Qxb5#
- 1...Sf5
- 2.Qh1#
- 2.Qxb5#
- 1...Sc6
- 2.Qxb5#
- 1...e5!
- 1...Kb6
- 1.Sd7?
- 1...Sxc2
- 2.Qh1#
- 2.Qxb5#
- 1...Se2
- 2.Qh1#
- 2.Qxb5#
- 1...Sb3
- 2.Qh1#
- 1...Sf3
- 2.Qxb5#
- 1...Sf5
- 2.Qh1#
- 2.Qxb5#
- 1...Sc6
- 2.Qxb5#
- 1...e5!
- 1...Sxc2
- 1.Sf7?
- 1...Kb6
- 2.Qxb5#
- 1...Sxc2
- 2.Sd6#
- 2.Sd8#
- 2.Qh1#
- 2.Qxb5#
- 1...Se2
- 2.Sd6#
- 2.Sd8#
- 2.Qh1#
- 2.Qxb5#
- 1...Sb3
- 2.Sd8#
- 2.Qh1#
- 1...Sf3
- 2.Sd6#
- 2.Sd8#
- 2.Qxb5#
- 1...Sf5
- 2.Sd8#
- 2.Qh1#
- 2.Qxb5#
- 1...Sc6
- 2.Sd6#
- 2.Qxb5#
- 1...e5!
- 1...Kb6
- 1.Qh1+?
- 1...Kb6
- 2.Sc4#
- 2.Sd7#
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sf3!
- 1...Kb6
- 1.Qb3?
- 1...Kb6
- 2.Qxb5#
- 1...Sxc2
- 2.Qxb5#
- 1...Se2
- 2.Qxb5#
- 1...Sf3
- 2.Qxb5#
- 1...Sf5
- 2.Qxb5#
- 1...Sc6
- 2.Qxb5#
- 1...Sxb3!
- 1...Kb6
- 1.Qb4?
- 1...Kb6
- 2.Qxb5#
- 1...Sxc2
- 2.Qe4#
- 2.Qxb5#
- 1...Sb3
- 2.Qe4#
- 2.Qxb5#
- 1...Se2
- 2.Qe4#
- 2.Qxb5#
- 1...Sf3
- 2.Qe4#
- 2.Qxb5#
- 1...Sf5
- 2.Qe4#
- 2.Qxb5#
- 1...Sc6
- 2.Qxb5#
- 1...axb4!
- 1...Kb6
- 1.Kf1?
- Keys
- 1.Qf1!
- 1...Kb6
- 2.Qxb5#
- 1...Sxc2
- 2.Qg2#
- 2.Qxb5#
- 2.Qh1#
- 1...Sb3
- 2.Qg2#
- 2.Qxb5#
- 2.Qh1#
- 1...Se2
- 2.Qg2#
- 2.Qh1#
- 1...Sf3
- 2.Qxb5#
- 1...Sf5
- 2.Qg2#
- 2.Qxb5#
- 2.Qh1#
- 1...Sc6
- 2.Qxb5#
- 1...Sa3
- 2.Qa6#
- 1...Sd6
- 2.Qa6#
- 1...Sa7
- 2.Rab8#
- 1...Sc7
- 2.Rcb8#
- 1...Kb6
- 1.Qf1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- K(g);N_SPINS(e),P-FLIGHT,P_SPINS(b)::QAR1(A),XS(e)
- S(b);N_GUARD,N_SPINS(e)::QAB(A)
- S(b);N_GUARD::QAR2(A),XS(e)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- K(g);N_SPINS(e),P-FLIGHT,P_SPINS(b)::QAR1(A),XS(e)
- S(b);N_GUARD,XP(B)::QAR2(A),XS(e)
- S(b);N_GUARD::QAR2(A),XS(e)
- Refutation
- S(b);N_SPINS(e)
- Try
- K(C);P-FLIGHT
- Vars
- K(g);N_SPINS(e),P-FLIGHT,P_SPINS(b)::QAR1(A),XS(e)
- S(b);N_GUARD,XP(B)::QAR2(A),XS(e)
- S(b);N_GUARD::QAR2(A),XS(e)
- Refutation
- S(b);N_SPINS(e)
- Try
- S(G);
- Vars
- K(g);N_SPINS(e),P-FLIGHT,P_SPINS(b)::QAR1(A),XS(e)
- S(b);N_GUARD,N_SPINS(e)::QAB(A)
- S(b);N_GUARD::QAR2(A),XS(e)
- Refutation
- P(f);
- Try
- S(G);
- Vars
- S(b);N_GUARD,N_SPINS(e)::QAB(A)
- Refutation
- P(f);
- Try
- S(G);XP(c)
- Vars
- K(g);N_SPINS(e),P-FLIGHT,P_SPINS(b)::QAR1(A),XS(e)
- S(b);N_GUARD,N_SPINS(e)::QAB(A)
- S(b);N_GUARD::QAR2(A),XS(e)
- Refutation
- P(f);
- Try
- S(G);
- Vars
- K(g);N_SPINS(e),P-FLIGHT,P_SPINS(b)::QAR1(A),XS(e)
- S(b);N_GUARD,XS(G)::QAR2(A),XS(e)
- S(b);N_SPINS(e)::S(G)
- Refutation
- P(f);
- Try
- S(G);
- Vars
- K(g);N_SPINS(e),P-FLIGHT,P_SPINS(b)::QAR1(A),XS(e)
- S(b);N_GUARD,N_SPINS(e)::QAB(A)
- S(b);N_GUARD::QAR2(A),XS(e)
- Refutation
- P(f);
- Try
- S(G);
- Vars
- S(b);N_GUARD,N_SPINS(e)::QAB(A)
- S(b);N_GUARD::QAR2(A),XS(e)
- Refutation
- P(f);
- Try
- S(G);
- Vars
- K(g);N_SPINS(e),P-FLIGHT,P_SPINS(b)::QAR1(A),XS(e)
- Refutation
- P(f);
- Try
- Q(A);CHECK,N_PINS(e)
- Vars
- S(b);N_GUARD,P_SPINS(b)::QAB1(A),XS(b)
- Refutation
- S(b);P_SPINS(b)
- Try
- Q(A);
- Vars
- K(g);N_SPINS(e),P-FLIGHT,P_SPINS(b)::QAR1(A),XS(e)
- S(b);N_GUARD,XP(B)::QAR2(A),XS(e)
- S(b);N_GUARD::QAR2(A),XS(e)
- Refutation
- S(b);N_SPINS(e),XQ(A)
- Try
- Q(A);
- Vars
- K(g);N_SPINS(e),P-FLIGHT,P_SPINS(b)::QAR1(A),XS(e)
- S(b);N_GUARD::QAR2(A),XS(e)
- Refutation
- P(d);N_SPINS(e),XQ(A)
- Try
- Actual
- Q(A);N_PINS(e)
- Vars
- K(g);P-FLIGHT,P_SPINS(b)::QAR1(A),XS(e)
- S(b);N_GUARD::QAR2(A),XS(e)
- S(e);OGATE::QAB1(A)
- S(e);SBLOCK::R1(H)
- S(e);SBLOCK::R1(I)
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).