MESON Chess Problem Database
Problem Display
PID: 193667 (2n5/1R6/1nN1kb2/1P3Rp1/4N1P1/1PPB2rp/6pB/Q5K1 w - - 0 1)
Proctor, C
Pittsburgh Gazette-Times, 1915
#2
12 + 8
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rxd3
- 2.Sc5#
- 1...Re3
- 2.Sc5#
- 1...Rf3
- 2.Sc5#
- 1...Rxg4
- 2.Sc5#
- 1...Bxc3
- 2.Sd8#
- 1...Bd4+
- 2.Sxd4#
- 1...Be5
- 2.Rxe5#
- 1...Be7
- 2.Sd4#
- 1...Bg7
- 2.Sd8#
- 1...Bd8
- 2.Sd4#
- 2.Sxd8#
- 2.Re5#
- 1...Bh8
- 2.Sd8#
- 1...Sa4
- 2.Bc4#
- 1...Sc4
- 2.Bxc4#
- 1...Sd7
- 2.Bc4#
- 1...Sa8
- 2.Bc4#
- 1...Sd6
- 2.Sc5#
- 1...Se7
- 2.Sd8#
- 1...Rxd3
- Tries
- 1.Sxg5+?
- 1...Kd6
- 2.Qa3#
- 1...Bxg5!
- 1...Kd6
- 1.Bxg3?
- threat
- 2.Sc5#
- 1...Bd4+
- 2.Sxd4#
- 1...Be5
- 2.Rxe5#
- 1...Sd7
- 2.Bc4#
- 1...Se7
- 2.Sd8#
- 1...Be7
- 2.Sd4#
- 1...Sa4
- 2.Bc4#
- 1...h2+!
- threat
- 1.Bc4+?
- 1...Sd5
- 2.Bxd5#
- 2.Rxf6#
- 1...Sxc4!
- 1...Sd5
- 1.Qa3?
- 1...Bd4+
- 2.Sxd4#
- 1...Rxd3
- 2.Sc5#
- 1...Rxg4
- 2.Sc5#
- 1...Bxc3
- 2.Sxg5#
- 2.Sd8#
- 1...Be5
- 2.Rxe5#
- 1...Sd7
- 2.Bc4#
- 1...Se7
- 2.Sd8#
- 1...Re3
- 2.Sc5#
- 1...Rf3
- 2.Sc5#
- 1...Be7
- 2.Sd4#
- 1...Bg7
- 2.Sxg5#
- 2.Sd8#
- 1...Bd8
- 2.Sd4#
- 2.Sxd8#
- 2.Re5#
- 1...Bh8
- 2.Sxg5#
- 2.Sd8#
- 1...Sa4
- 2.Bc4#
- 1...Sc4
- 2.Bxc4#
- 1...Sa8
- 2.Bc4#
- 1...Sd6
- 2.Sc5#
- 2.Qxd6#
- 1...Sa7
- 2.Qd6#
- 1...Sd5!
- 1...Bd4+
- 1.Qa6?
- 1...Bd4+
- 2.Sxd4#
- 1...Rxd3
- 2.Sc5#
- 1...Rxg4
- 2.Sc5#
- 1...Bxc3
- 2.Sd8#
- 1...Be5
- 2.Rxe5#
- 1...Sd7
- 2.Bc4#
- 1...Se7
- 2.Sd8#
- 1...Sd5
- 2.Sd4#
- 2.Sd8#
- 1...Re3
- 2.Sc5#
- 1...Rf3
- 2.Sc5#
- 1...Be7
- 2.Sd4#
- 1...Bg7
- 2.Sd8#
- 1...Bd8
- 2.Sd4#
- 2.Sxd8#
- 2.Re5#
- 1...Bh8
- 2.Sd8#
- 1...Sa4
- 2.Sd4#
- 2.Sd8#
- 2.Bc4#
- 1...Sc4
- 2.Sd4#
- 2.Sd8#
- 2.Bxc4#
- 1...Sa8
- 2.Sd4#
- 2.Sd8#
- 2.Bc4#
- 1...Sd6
- 2.Sc5#
- 1...Sa7!
- 1...Bd4+
- 1.c4?
- threat
- 2.Rxf6#
- 2.Qxf6#
- 1...Bd4+
- 2.Sxd4#
- 1...Bxa1
- 2.Sd8#
- 1...Sxc4
- 2.Bxc4#
- 2.Qxf6#
- 1...Sd5
- 2.cxd5#
- 1...Rf3
- 2.Sc5#
- 2.Qxf6#
- 1...Bb2
- 2.Sd8#
- 1...Bc3
- 2.Sd8#
- 1...Be5
- 2.Sd8#
- 2.Rxe5#
- 2.Qxe5#
- 1...Be7
- 2.Sd4#
- 2.Qe5#
- 1...Bg7
- 2.Sd8#
- 1...Bd8
- 2.Sd4#
- 2.Sxd8#
- 2.Re5#
- 2.Qe5#
- 1...Bh8
- 2.Sd8#
- 1...Sd7!
- threat
- 1.Sxg5+?
- Keys
- 1.Qa8!
- 1...Bd4+
- 2.Sxd4#
- 1...Rxd3
- 2.Sc5#
- 1...Rxg4
- 2.Sc5#
- 1...Bxc3
- 2.Sd8#
- 1...Sxa8
- 2.Bc4#
- 1...Be5
- 2.Rxe5#
- 1...Sd7
- 2.Bc4#
- 1...Se7
- 2.Sd8#
- 1...Sd5
- 2.Qxc8#
- 1...Re3
- 2.Sc5#
- 1...Rf3
- 2.Sc5#
- 1...Be7
- 2.Sd4#
- 1...Bg7
- 2.Sd8#
- 1...Bd8
- 2.Sd4#
- 2.Sxd8#
- 2.Re5#
- 1...Bh8
- 2.Sd8#
- 1...Sa4
- 2.Bc4#
- 2.Qxc8#
- 1...Sc4
- 2.Bxc4#
- 2.Qxc8#
- 1...Sd6
- 2.Sc5#
- 1...Sa7
- 2.Qg8#
- 1...Bd4+
- 1.Qa8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(b);XB(F)::S(G)
- R(b);::S(G)
- R(b);XP(H)::S(G)
- B(g);N_GUARD,XP(E)::S(K)
- B(g);CHECK,N_GUARD::S(K),XB(g)
- B(g);N_GUARD::R1(J),XB(g)
- B(g);N_GUARD::S(K)
- S(e);N_GUARD::B(F)
- S(e);N_GUARD::B(F),XS(e)
- S(h);SBLOCK::S(G)
- S(h);S_CUTB(g)::S(K)
- Tries
- Try
- S(G);CHECK,XP(d)
- Vars
- K(f);P-FLIGHT,P_SPINR(b)::QAB(A)
- Refutation
- B(g);XS(G)
- Try
- B(C);XR(b)
- Threat
- S(G)
- Vars
- B(g);CHECK,N_GUARD::S(K),XB(g)
- B(g);N_GUARD::R1(J),XB(g)
- S(e);N_GUARD::B(F)
- S(h);S_CUTB(g)::S(K)
- B(g);N_GUARD::S(K)
- Refutation
- P(c);CHECK
- Try
- B(F);CHECK
- Refutation
- S(e);XB(F)
- Try
- Q(A);
- Vars
- B(g);CHECK,N_GUARD::S(K),XB(g)
- R(b);XB(F)::S(G)
- R(b);XP(H)::S(G)
- B(g);N_GUARD::R1(J),XB(g)
- S(e);N_GUARD::B(F)
- S(h);S_CUTB(g)::S(K)
- R(b);::S(G)
- B(g);N_GUARD::S(K)
- S(e);N_GUARD::B(F),XS(e)
- S(h);N_GUARD::QAR1(A)
- Refutation
- S(e);
- Try
- Q(A);
- Vars
- B(g);CHECK,N_GUARD::S(K),XB(g)
- R(b);XB(F)::S(G)
- R(b);XP(H)::S(G)
- B(g);N_GUARD,XP(E)::S(K)
- B(g);N_GUARD::R1(J),XB(g)
- S(e);N_GUARD::B(F)
- S(h);S_CUTB(g)::S(K)
- R(b);::S(G)
- B(g);N_GUARD::S(K)
- S(h);SBLOCK::S(G)
- Refutation
- S(h);
- Try
- P(E);
- Threat
- DUALS(2)
- Vars
- B(g);CHECK,N_GUARD::S(K),XB(g)
- B(g);N_GUARD,XQ(A)::S(K)
- S(e);OGATE::P(E),XS(e)
- B(g);N_GUARD::S(K)
- Refutation
- S(e);
- Try
- Actual
- Q(A);
- Vars
- B(g);CHECK,N_GUARD::S(K),XB(g)
- R(b);XB(F)::S(G)
- R(b);XP(H)::S(G)
- B(g);N_GUARD,XP(E)::S(K)
- S(e);N_GUARD,XQ(A)::B(F)
- B(g);N_GUARD::R1(J),XB(g)
- S(e);N_GUARD::B(F)
- S(h);S_CUTB(g)::S(K)
- S(e);N_GUARD::QAB(A),XS(h)
- R(b);::S(G)
- B(g);N_GUARD::S(K)
- S(h);SBLOCK::S(G)
- S(h);OGATE::QAB(A)
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).