MESON Chess Problem Database
Problem Display
PID: 223414 (8/1n2K1P1/4N3/2p1k2P/1R2P2p/1PpP2rn/7N/2BQ4 w - - 0 1)
Harvey, Phillip Francis
St. Paul Daily Globe, 1885
#2
11 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Sf3#
- 1...Rg2
- 2.Sf3#
- 1...Rxd3
- 2.Sg4#
- 1...Re3
- 2.Sg4#
- 1...Rf3
- 2.Sxf3#
- 2.Sg4#
- 1...Rg4
- 2.Sf3#
- 2.Sxg4#
- 1...Rg5
- 2.Sf3#
- 1...Rg6
- 2.Sf3#
- 1...Sg1
- 2.Bf4#
- 1...Sf2
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sg5
- 2.Bf4#
- 1...c2
- 2.Bb2#
- 1...Rg1
- Tries
- 1.Bg5?
- threat
- 2.Bf6#
- 1...Rxg5
- 2.Sf3#
- 1...Rf3
- 2.Sxf3#
- 2.Sg4#
- 1...Sxg5!
- threat
- 1.Rc4?
- 1...Rxd3
- 2.Sg4#
- 1...Sa5
- 2.Rxc5#
- 1...Rg1
- 2.Sf3#
- 1...Rg2
- 2.Sf3#
- 1...Re3
- 2.Sg4#
- 1...Rf3
- 2.Sxf3#
- 2.Sg4#
- 1...Rg4
- 2.Sf3#
- 2.Sxg4#
- 1...Rg5
- 2.Sf3#
- 1...Rg6
- 2.Sf3#
- 1...Sg1
- 2.Bf4#
- 1...Sf2
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sg5
- 2.Bf4#
- 1...Sd6
- 2.Rxc5#
- 1...Sd8
- 2.Rxc5#
- 1...c2
- 2.Bb2#
- 1...Rxg7+!
- 1...Rxd3
- 1.Qc2?
- threat
- 2.Qxc3#
- 1...Rxd3
- 2.Sg4#
- 1...cxb4
- 2.d4#
- 1...Rxg7+!
- threat
- 1.Qf3?
- threat
- 2.Qf5#
- 2.Qf6#
- 1...Rxf3
- 2.Sxf3#
- 2.Sg4#
- 1...Rg5
- 2.Qf6#
- 1...Rg6
- 2.Qf5#
- 1...Sf4
- 2.Bxf4#
- 2.Qxf4#
- 1...Sd6
- 2.Qf6#
- 1...Rxg7+!
- threat
- 1.Qg4?
- threat
- 2.Qf5#
- 1...Rxg4
- 2.Sf3#
- 2.Sxg4#
- 1...Rf3
- 2.Sxf3#
- 1...Sd6!
- threat
- 1.Qe1?
- threat
- 2.Qxc3#
- 1...Rxd3
- 2.Sg4#
- 1...cxb4
- 2.d4#
- 1...c2
- 2.Bb2#
- 2.Qc3#
- 1...Rxg7+!
- threat
- 1.Qf1?
- threat
- 2.Qf5#
- 2.Qf6#
- 1...Rf3
- 2.Sxf3#
- 2.Sg4#
- 1...Rg5
- 2.Sf3#
- 2.Qf6#
- 1...Rg6
- 2.Sf3#
- 2.Qf5#
- 1...Sf2
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 2.Qxf4#
- 1...Sd6
- 2.Qf6#
- 1...Rxg7+!
- threat
- 1.d4+?
- 1...cxd4
- 2.Qxd4#
- 1...Kxe4!
- 1...cxd4
- 1.Bg5?
- Keys
- 1.Qg1!
- 1...Rxg7+
- 2.Qxg7#
- 1...Rxg1
- 2.Sf3#
- 1...Rxd3
- 2.Sg4#
- 1...Sxg1
- 2.Bf4#
- 1...cxb4
- 2.Qd4#
- 1...Sa5
- 2.Qxc5#
- 1...Rg2
- 2.Sf3#
- 1...Re3
- 2.Sg4#
- 1...Rf3
- 2.Sxf3#
- 2.Sg4#
- 1...Rg4
- 2.Sf3#
- 2.Sxg4#
- 1...Rg5
- 2.Sf3#
- 1...Rg6
- 2.Sf3#
- 1...Sf2
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sg5
- 2.Bf4#
- 1...Sd6
- 2.Qxc5#
- 1...Sd8
- 2.Qxc5#
- 1...c2
- 2.Bb2#
- 1...c4
- 2.Qd4#
- 1...Rxg7+
- 1.Qg1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::S(C)
- R(b);N_GUARD,XP(E)::S(C)
- S(c);N_GUARD::B(A)
- S(c);N_GUARD::B(A),XS(c)
- P(a);OGATEB::B(A)
- Tries
- Try
- B(A);
- Threat
- B(A)
- Vars
- R(b);N_GUARD,XB(A)::S(C)
- Refutation
- S(c);XB(A)
- Try
- R(F);
- Vars
- R(b);N_GUARD,XP(E)::S(C)
- S(g);N_GUARD::R(F),XP(e)
- R(b);N_GUARD::S(C)
- S(c);N_GUARD::B(A)
- S(c);N_GUARD::B(A),XS(c)
- P(a);OGATEB::B(A)
- Refutation
- R(b);CHECK,XP(K)
- Try
- Q(B);
- Threat
- QAB(B),XP(a)
- Vars
- R(b);N_GUARD,XP(E)::S(C)
- P(e);N_GUARD,XR(F)::P(E)
- Refutation
- R(b);CHECK,XP(K)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(b);::QAB1(B)
- R(b);::QAR1(B)
- S(g);::QAB1(B)
- Refutation
- R(b);CHECK,XP(K)
- Try
- Q(B);
- Threat
- QAR1(B)
- Vars
- R(b);N_GUARD::S(C),XR(b)
- Refutation
- S(g);
- Try
- Q(B);
- Threat
- QAB(B),XP(a)
- Vars
- R(b);N_GUARD,XP(E)::S(C)
- P(e);N_GUARD,XR(F)::P(E)
- Refutation
- R(b);CHECK,XP(K)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(c);N_GUARD::B(A)
- S(g);::QAB1(B)
- Refutation
- R(b);CHECK,XP(K)
- Try
- P(E);CHECK
- Vars
- P(e);OGATE,XP(E)::QAB1(B),XP(e)
- Refutation
- K(f);P-FLIGHT,XP(G)
- Try
- Actual
- Q(B);
- Vars
- R(b);CHECK,OGATE,XP(K)::QAB(B),XR(b)
- R(b);N_GUARD,XQ(B)::S(C)
- R(b);N_GUARD,XP(E)::S(C)
- S(c);N_GUARD,XQ(B)::B(A)
- P(e);N_GUARD,XR(F)::QAB1(B)
- S(g);N_GUARD::QAR2(B),XP(e)
- R(b);N_GUARD::S(C)
- S(c);N_GUARD::B(A)
- S(c);N_GUARD::B(A),XS(c)
- P(a);OGATEB::B(A)
- P(e);N_GUARD::QAB1(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).