MESON Chess Problem Database
Problem Display
PID: 136110 (4K1RB/2Pp1NN1/4p3/4q3/5k2/2P2P1R/3P4/2Q5 w - - 0 1)
Packer, GFH
The Field, 1917
(First published on Sat Sep 8 1917)
#2
11 + 4
| 15351 | SCPF/BCPS Black Books | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Qxc3
- 2.dxc3#
- 1...Qd6
- 2.d3#
- 2.d4#
- 1...Qf6
- 2.d3#
- 2.d4#
- 1...Qxc7
- 2.d3#
- 2.d4#
- 1...Qe3
- 2.dxe3#
- 1...Qa5
- 2.d3#
- 2.d4#
- 1...Qb5
- 2.d3#
- 2.d4#
- 1...Qc5
- 2.d4#
- 1...Qd5
- 2.d3#
- 2.d4#
- 1...Qf5
- 2.d3#
- 2.d4#
- 1...Qg5
- 2.d3#
- 2.d4#
- 1...Qh5
- 2.d3#
- 2.d4#
- 1...Qxc3
- Tries
- 1.Sh5+?
- 1...Kf5
- 2.Sh6#
- 2.Rg5#
- 1...Qxh5!
- 1...Kf5
- 1.Qe1?
- threat
- 2.Qg3#
- 2.Qh4#
- 2.Qxe5#
- 1...Qxc3
- 2.Qg3#
- 2.Qh4#
- 2.Qe4#
- 1...Qxc7
- 2.Qg3#
- 2.Qh4#
- 2.Qe3#
- 2.Qe4#
- 1...Qxg7
- 2.Qe4#
- 1...Qd4
- 2.Qg3#
- 2.Qh4#
- 1...Qd6
- 2.Qg3#
- 2.Qh4#
- 2.Qe3#
- 2.Qe4#
- 1...Qf6
- 2.Qg3#
- 2.Qe3#
- 2.Qe4#
- 1...Qe2
- 2.Qg3#
- 2.Qh4#
- 1...Qe3
- 2.Qg3#
- 2.Qh4#
- 2.Qxe3#
- 2.dxe3#
- 1...Qe4
- 2.Qg3#
- 2.Qh4#
- 2.Qxe4#
- 1...Qa5
- 2.Qg3#
- 2.Qh4#
- 2.Qe3#
- 2.Qe4#
- 1...Qb5
- 2.Qg3#
- 2.Qh4#
- 2.Qe3#
- 2.Qe4#
- 1...Qc5
- 2.Qg3#
- 2.Qh4#
- 2.Qe4#
- 1...Qd5
- 2.Qg3#
- 2.Qh4#
- 2.Qe3#
- 1...Qf5
- 2.Qg3#
- 2.Qe3#
- 1...Qg5
- 2.Qe3#
- 2.Qe4#
- 1...Qh5
- 2.Qg3#
- 2.Qe3#
- 2.Qe4#
- 1...d6
- 2.Qg3#
- 2.Qh4#
- 1...Qxe1!
- threat
- 1.Qg1?
- threat
- 2.Qh2#
- 2.Qg3#
- 2.Qg4#
- 1...Qe1
- 2.Qg4#
- 2.Qg5#
- 1...Qe2
- 2.Qg3#
- 2.Qg4#
- 2.Qg5#
- 1...Qf5
- 2.Qh2#
- 2.Qe3#
- 2.Qg3#
- 1...Qg5
- 2.Qe3#
- 2.Qd4#
- 2.Qxg5#
- 1...Qh5
- 2.Qh2#
- 2.Qe3#
- 2.Qd4#
- 2.Qg3#
- 1...Qxg7!
- threat
- 1.Sh5+?
- Keys
- 1.Sd6!
- 1...Qh5+
- 2.Sxh5#
- 1...Kg5
- 2.Sxe6#
- 1...Qxc3
- 2.Sh5#
- 1...Qxd6
- 2.d4#
- 1...Qxg7
- 2.d4#
- 1...Qd4
- 2.Sh5#
- 1...Qf6
- 2.d4#
- 1...Qe1
- 2.Sh5#
- 1...Qe2
- 2.Sh5#
- 1...Qe3
- 2.Sh5#
- 1...Qe4
- 2.Sh5#
- 1...Qa5
- 2.d4#
- 1...Qb5
- 2.d4#
- 1...Qc5
- 2.d4#
- 1...Qd5
- 2.d4#
- 1...Qf5
- 2.d4#
- 1...Qg5
- 2.d4#
- 1...Qh5+
- 1.Sd6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 14
- REMOVED MATES = 0
- Sets
- Q(b);OGATE,XP(C)::QAB(A)+P(B),XQ(b)
- Q(b);OGATE::P(B),XQ(b)
- Q(b);N_GUARD::QAB(A)+P(B)
- Tries
- Try
- S(H);CHECK
- Refutation
- Q(b);P_PINS(G),XS(H)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- Q(b);N_GUARD,XS(H)::QAR1(A)
- Refutation
- Q(b);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(3)
- Refutation
- Q(b);XS(H)
- Try
- Actual
- S(G);
- Vars
- Q(b);CHECK,N_GUARD::S(H),XQ(b)
- K(a);S_FLIGHT::R(J)+S(H),DCHECK,XP(c)
- Q(b);N_GUARD,XP(C)::S(H)
- Q(b);N_GUARD,XS(G)::QAB(A)+P(B)
- Q(b);N_GUARD,XS(H)::QAB(A)+P(B)
- Q(b);N_GUARD::S(H)
- Q(b);N_GUARD::QAB(A)+P(B)
- Q(b);N_GUARD,SBLOCK::QAB(A)+P(B)
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).