MESON Chess Problem Database
Problem Display
PID: 161145 (8/8/1BpbQ3/r4p2/1PB2p2/R2P1k1P/7P/5Kn1 w - - 0 1)
Healey, Percy E
Hampstead and Highgate Express, 1908
#2
9 + 7
| 15351 | SCPF/BCPS Black Books | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rb5
- 2.d4#
- 1...Rc5
- 2.d4#
- 1...Rd5
- 2.d4#
- 1...Se2
- 2.Qxe2#
- 1...Sxh3
- 2.Qe2#
- 1...c5
- 2.Bd5#
- 1...Rb5
- Tries
- 1.Bd5+?
- 1...Rxd5
- 2.d4#
- 1...cxd5!
- 1...Rxd5
- 1.Rxa5?
- 1...Bxb4
- 2.Qxc6#
- 1...Sxh3
- 2.Qe2#
- 1...Be5
- 2.Qxc6#
- 1...Bc7
- 2.Qxc6#
- 1...Be7
- 2.Qxc6#
- 1...Bb8
- 2.Qxc6#
- 1...Bf8
- 2.Qxc6#
- 1...Se2
- 2.Qxe2#
- 1...c5
- 2.Bd5#
- 1...Bc5!
- 1...Bxb4
- 1.Qxf5?
- threat
- 2.Qe4#
- 2.Qg4#
- 1...Sxh3
- 2.Qxh3#
- 1...Rc5
- 2.Qe4#
- 2.d4#
- 1...Bc5
- 2.Qe4#
- 1...c5
- 2.Qe4#
- 1...Re5
- 2.Qg4#
- 1...Rxf5!
- threat
- 1.Qe1?
- threat
- 2.Qf2#
- 1...Sxh3
- 2.Qd1#
- 2.Qe2#
- 1...Bc5!
- threat
- 1.Qe8?
- threat
- 2.Qh5#
- 1...Rc5
- 2.d4#
- 1...c5
- 2.Bd5#
- 1...Bc5!
- threat
- 1.bxa5?
- 1...Bxa3
- 2.Qxc6#
- 1...Sxh3
- 2.Qe2#
- 1...Bb4
- 2.Qxc6#
- 1...Be5
- 2.Qxc6#
- 1...Bc7
- 2.Qxc6#
- 2.d4#
- 1...Be7
- 2.Qxc6#
- 1...Bb8
- 2.Qxc6#
- 2.d4#
- 1...Bf8
- 2.Qxc6#
- 1...Se2
- 2.Qxe2#
- 1...c5
- 2.Bd5#
- 2.d4#
- 1...Bc5!
- 1...Bxa3
- 1.Bd5+?
- Keys
- 1.Bb5!
- 1...Rxa3
- 2.Bxc6#
- 1...Rxb5
- 2.d4#
- 1...Bxb4
- 2.Qxc6#
- 1...Sxh3
- 2.Qe2#
- 1...cxb5
- 2.Qd5#
- 1...Ra4
- 2.Bxc6#
- 1...Ra6
- 2.Bxc6#
- 1...Ra7
- 2.Bxc6#
- 1...Ra8
- 2.Bxc6#
- 1...Bc5
- 2.Bxc6#
- 1...Be5
- 2.Qxc6#
- 1...Bc7
- 2.Qxc6#
- 1...Be7
- 2.Qxc6#
- 1...Bb8
- 2.Qxc6#
- 1...Bf8
- 2.Qxc6#
- 1...Se2
- 2.Qxe2#
- 1...c5
- 2.Bc6#
- 1...Rxa3
- 1.Bb5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 13
- REMOVED MATES = 2
- Sets
- R(d);N_GUARD::R(C)+P(D)
- S(a);N_GUARD::QAB1(I),XS(a)
- S(a);N_GUARD,XP(E)::QAB1(I)
- P(f);N_GUARD,S_CUTR(d)::B(G)
- Tries
- Try
- B(G);CHECK
- Vars
- R(d);XB(G)::R(C)+P(D)
- Refutation
- P(f);XB(G)
- Try
- R(C);XR(d)
- Vars
- B(g);OGATE,XP(F)::QAB(I),XP(f)
- S(a);N_GUARD,XP(E)::QAB1(I)
- B(g);OGATE::QAB(I),XP(f)
- S(a);N_GUARD::QAB1(I),XS(a)
- P(f);N_GUARD::B(G)
- Refutation
- B(g);
- Try
- Q(I);P_PINP(c),XP(e)
- Threat
- DUALS(2)
- Vars
- S(a);OGATE,XP(E)::QAR2(I),XS(a)
- B(g);::QAB1(I)
- P(f);::QAB1(I)
- R(d);::QAB1(I)
- Refutation
- R(d);N_SPINP(c),XQ(I)
- Try
- Q(I);
- Threat
- QAR1(I)
- Refutation
- B(g);
- Try
- Q(I);
- Threat
- QAB(I)
- Vars
- R(d);N_GUARD::R(C)+P(D)
- P(f);N_GUARD,S_CUTR(d)::B(G)
- Refutation
- B(g);
- Try
- P(F);XR(d)
- Vars
- B(g);OGATE,XR(C)::QAB(I),XP(f)
- S(a);N_GUARD,XP(E)::QAB1(I)
- B(g);OGATE::QAB(I),XP(f)
- S(a);N_GUARD::QAB1(I),XS(a)
- Refutation
- B(g);
- Try
- Actual
- B(G);
- Vars
- R(d);N_GUARD,XR(C)::B(G),XP(f)
- R(d);N_GUARD,XB(G)::R(C)+P(D)
- B(g);OGATE,XP(F)::QAB(I),XP(f)
- S(a);N_GUARD,XP(E)::QAB1(I)
- P(f);N_GUARD,XB(G)::QAB(I)
- R(d);N_GUARD::B(G),XP(f)
- B(g);S_CUTR(d)::B(G),XP(f)
- B(g);OGATE::QAB(I),XP(f)
- S(a);N_GUARD::QAB1(I),XS(a)
- P(f);S_CUTR(d)::B(G)
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).