MESON Chess Problem Database
Problem Display
PID: 2651 (8/4B3/Q7/1PNpp3/3k4/1P4n1/p1p2P2/2N1K3 w - - 0 1)
Robinson, George A
Ontario Advertiser, 1890
(First published on Sat Jan 4 1890)
#2
8 + 6
| 14868 | Pirnie Collection | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Sf1
- 2.Se2#
- 1...Sh1
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Se4
- 2.Se2#
- 1...Sf5
- 2.Se2#
- 1...Sh5
- 2.Se2#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...e4
- 2.Qf6#
- 1...Sf1
- Tries
- 1.Bf8?
- 1...e4
- 2.Qf6#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Sf1
- 2.Se2#
- 1...Sh1
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Se4
- 2.Se2#
- 1...Sf5
- 2.Se2#
- 1...Sh5
- 2.Se2#
- 1...Kc3!
- 1...e4
- 1.Qxa2?
- threat
- 2.Qa1#
- 2.Qb2#
- 1...Se2
- 2.Sxe2#
- 1...Se4
- 2.Se2#
- 1...Kc3!
- threat
- 1.Qa3?
- threat
- 2.Qb2#
- 2.Qb4#
- 1...e4
- 2.Bf6#
- 2.Qb2#
- 1...a1Q
- 2.Qb4#
- 2.Qxa1#
- 1...a1B
- 2.Qb4#
- 2.Qxa1#
- 1...Se2
- 2.Sxe2#
- 2.Qb4#
- 1...Se4
- 2.Se2#
- 2.Qb4#
- 1...Kc3!
- threat
- 1.Qa5?
- threat
- 2.Qd2#
- 2.Qb4#
- 1...Sf1
- 2.Se2#
- 2.Qb4#
- 1...Se4
- 2.Se2#
- 2.Se6#
- 2.Qb4#
- 1...e4!
- threat
- 1.Qg6?
- threat
- 2.Qd3#
- 1...e4
- 2.Qf6#
- 2.Qg7#
- 1...Se4
- 2.Se2#
- 1...Sf5
- 2.Se2#
- 1...Kc3!
- threat
- 1.Qh6?
- threat
- 2.Qd2#
- 2.Qe3#
- 1...e4
- 2.Qg7#
- 2.Qf6#
- 2.Qh8#
- 1...Sf1
- 2.Se2#
- 1...Se4
- 2.Se2#
- 2.Qe3#
- 1...Sf5
- 2.Se2#
- 2.Qd2#
- 1...Kc3!
- threat
- 1.Qa8?
- 1...e4
- 2.Qh8#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Sf1
- 2.Se2#
- 1...Sh1
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Se4
- 2.Se2#
- 1...Sf5
- 2.Se2#
- 1...Sh5
- 2.Se2#
- 1...Kc3!
- 1...e4
- 1.Bf8?
- Keys
- 1.Qa7!
- 1...Kc3
- 2.Sa4#
- 1...e4
- 2.Bf6#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Sf1
- 2.Se2#
- 1...Sh1
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Se4
- 2.Se2#
- 1...Sf5
- 2.Se2#
- 1...Sh5
- 2.Se2#
- 1...Kc3
- 1.Qa7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- P(a);OGATE,P_PINS(A)::QAB(G),XQ(a)
- P(a);OGATE::QAB(G),XS(a)
- P(a);OGATE::QAB(G),XB(a)
- P(a);OGATE,P_PINS(A)::QAB(G),XR(a)
- P(f);OGATEB::QAB(G)
- Tries
- Try
- B(H);
- Vars
- P(f);OGATEB::QAB(G)
- P(a);OGATE,P_PINS(A)::QAB(G),XQ(a)
- P(a);OGATE::QAB(G),XS(a)
- P(a);OGATE::QAB(G),XB(a)
- P(a);OGATE,P_PINS(A)::QAB(G),XR(a)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(G);XP(a)
- Threat
- DUALS(2)
- Vars
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD::S(A)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(G);
- Threat
- DUALS(2)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(G);
- Threat
- DUALS(2)
- Refutation
- P(f);
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- S(c);N_GUARD::S(A)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(c);N_GUARD::S(A)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(G);
- Vars
- P(f);OGATEB::QAB(G)
- P(a);OGATE,P_PINS(A)::QAB(G),XQ(a)
- P(a);OGATE::QAB(G),XS(a)
- P(a);OGATE::QAB(G),XB(a)
- P(a);OGATE,P_PINS(A)::QAB(G),XR(a)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- K(d);S_FLIGHT
- Try
- Actual
- Q(G);
- Vars
- K(d);S_FLIGHT::S(F)
- P(f);OGATEB::B(H)
- P(a);OGATE,P_PINS(A)::QAB(G),XQ(a)
- P(a);OGATE::QAB(G),XS(a)
- P(a);OGATE::QAB(G),XB(a)
- P(a);OGATE,P_PINS(A)::QAB(G),XR(a)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(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).