MESON Chess Problem Database
Problem Display
PID: 224491 (1bNR2b1/p2P3r/2R1N3/1Ppk4/p4PP1/B2P4/PQ3P2/K7 w - - 0 1)
Hamilton, Charles Dingee Pennock
Philadelphia Times, 1888
#2
14 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rh2
- 2.Se7#
- 1...Rh3
- 2.Se7#
- 1...Rh4
- 2.Se7#
- 1...Rh5
- 2.Se7#
- 1...Rh6
- 2.Se7#
- 1...Rxd7
- 2.Se7#
- 1...Re7
- 2.Sxe7#
- 1...Rh8
- 2.Se7#
- 1...Bxf4
- 2.Sxf4#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Rxd6#
- 1...Bc7
- 2.Sxc7#
- 1...Bxe6
- 2.Rxc5#
- 1...Bf7
- 2.Se7#
- 1...c4
- 2.Qd4#
- 1...a5
- 2.Sb6#
- 1...a6
- 2.Sb6#
- 1...Rh2
- Tries
- 1.Sg5?
- threat
- 2.Rxc5#
- 1...Bd6
- 2.Rxd6#
- 1...c4
- 2.Rc5#
- 2.dxc4#
- 1...Rh1+!
- threat
- 1.Sf8?
- threat
- 2.Rxc5#
- 1...Bd6
- 2.Rxd6#
- 1...c4
- 2.Rc5#
- 1...Rh1+!
- threat
- 1.Bxc5?
- threat
- 2.Qd4#
- 1...Bd6
- 2.Rxd6#
- 1...Be5
- 2.Qxe5#
- 1...Rh1+!
- threat
- 1.Re8?
- threat
- 2.Rxc5#
- 1...Re7
- 2.Sxe7#
- 1...Bd6
- 2.Rxd6#
- 1...c4
- 2.Rc5#
- 2.Qd4#
- 1...Rh1+!
- threat
- 1.Qc1?
- threat
- 2.Qc4#
- 2.Qxc5#
- 1...Bxf4
- 2.Qxc5#
- 1...Bd6
- 2.Rxd6#
- 2.Qc4#
- 1...Rh1
- 2.Se7#
- 2.Qxh1#
- 1...c4
- 2.Qxc4#
- 1...Be5+!
- threat
- 1.Qc3?
- threat
- 2.Qc4#
- 2.Qxc5#
- 1...Bxf4
- 2.Sxf4#
- 2.Qxc5#
- 1...Bd6
- 2.Rxd6#
- 2.Qc4#
- 1...Be5
- 2.Qxe5#
- 1...c4
- 2.Qd4#
- 2.Qxc4#
- 1...Rh1+!
- threat
- 1.Qf6?
- threat
- 2.Rxc5#
- 1...Be5+
- 2.Qxe5#
- 1...Bd6
- 2.Rxd6#
- 1...c4
- 2.Rc5#
- 2.Qd4#
- 1...Rh1+!
- threat
- 1.Qe2?
- threat
- 2.Rxc5#
- 2.Qf3#
- 2.Qe4#
- 1...Be5+
- 2.Qxe5#
- 1...Bxf4
- 2.Rxc5#
- 2.Qe4#
- 1...Bxe6
- 2.Qe4#
- 1...Rh3
- 2.Se7#
- 2.Rxc5#
- 2.Qe4#
- 1...Bd6
- 2.Rxd6#
- 2.Qe4#
- 1...c4
- 2.Rc5#
- 2.Qf3#
- 2.Qe4#
- 2.dxc4#
- 1...Rh1+!
- threat
- 1.Qb3+?
- 1...c4
- 2.Qxc4#
- 1...axb3!
- 1...c4
- 1.f5?
- threat
- 2.Rxc5#
- 1...Bd6
- 2.Rxd6#
- 1...c4
- 2.Rc5#
- 2.Qd4#
- 1...Rh1+!
- threat
- 1.Sg5?
- Keys
- 1.Qh8!
- 1...Rh1+
- 2.Qxh1#
- 1...Be5+
- 2.Qxe5#
- 1...Rxd7
- 2.Se7#
- 2.Qh1#
- 1...Rxh8
- 2.Se7#
- 1...Bxf4
- 2.Sxf4#
- 1...Bxe6
- 2.Rxc5#
- 1...Bd6
- 2.Rxd6#
- 1...Rf7
- 2.Qh1#
- 1...Rh2
- 2.Se7#
- 1...Rh3
- 2.Se7#
- 1...Rh4
- 2.Se7#
- 1...Rh5
- 2.Se7#
- 1...Rh6
- 2.Se7#
- 1...Re7
- 2.Sxe7#
- 2.Qh1#
- 1...Rg7
- 2.Qh1#
- 1...Bc7
- 2.Sxc7#
- 1...Bf7
- 2.Se7#
- 1...c4
- 2.Qd4#
- 1...a5
- 2.Sb6#
- 1...a6
- 2.Sb6#
- 1...Rh1+
- 1.Qh8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- R(e);N_GUARD::S(M)
- R(e);N_GUARD,P_SPINR(e),XP(L)::S(M)
- R(e);N_GUARD::S(M),XR(e)
- B(f);XP(G)::S(K),XB(f)
- B(f);N_GUARD,P_PINQ(C)::QAR1(C),XB(f)
- B(f);N_GUARD::R1(J),XB(f)
- B(f);N_GUARD::S(K),XB(f)
- B(g);SBLOCK,XS(K)::R1(J),XP(b)
- B(g);S_CUTR(e)::S(M)
- P(b);N_GUARD::QAR1(C)
- P(d);N_GUARD::S(M)
- Tries
- Try
- S(K);
- Threat
- R1(J),XP(b)
- Vars
- B(f);N_GUARD::R1(J),XB(f)
- Refutation
- R(e);CHECK
- Try
- S(K);
- Threat
- R1(J),XP(b)
- Vars
- B(f);N_GUARD::R1(J),XB(f)
- P(b);::R1(J)
- Refutation
- R(e);CHECK
- Try
- B(E);XP(b)
- Threat
- QAR1(C)
- Vars
- B(f);N_GUARD::R1(J),XB(f)
- B(f);N_GUARD,P_PINQ(C)::QAR1(C),XB(f)
- Refutation
- R(e);CHECK
- Try
- R(N);
- Threat
- R1(J),XP(b)
- Vars
- R(e);N_GUARD::S(M),XR(e)
- B(f);N_GUARD::R1(J),XB(f)
- Refutation
- R(e);CHECK
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- B(f);XP(G)::QAR1(C),XP(b)
- P(b);::QAB1(C),XP(b)
- Refutation
- B(f);CHECK
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- B(f);N_GUARD,P_PINQ(C)::QAR1(C),XB(f)
- Refutation
- R(e);CHECK
- Try
- Q(C);
- Threat
- R1(J),XP(b)
- Vars
- B(f);CHECK,N_GUARD::QAR1(C),XB(f)
- B(f);N_GUARD::R1(J),XB(f)
- Refutation
- R(e);CHECK
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- B(f);CHECK,N_GUARD::QAR1(C),XB(f)
- B(g);XS(K)::QAB1(C)
- Refutation
- R(e);CHECK
- Try
- Q(C);CHECK
- Vars
- P(b);P_SPINP(b)::QAB1(C),XP(b)
- Refutation
- P(a);XQ(C)
- Try
- P(G);
- Threat
- R1(J),XP(b)
- Vars
- B(f);N_GUARD::R1(J),XB(f)
- Refutation
- R(e);CHECK
- Try
- Actual
- Q(C);
- Vars
- R(e);CHECK,OGATE::QAB(C),XR(e)
- B(f);CHECK,N_GUARD::QAR1(C),XB(f)
- R(e);N_GUARD,XQ(C)::S(M)
- B(f);XP(G)::S(K),XB(f)
- B(g);SBLOCK,XS(K)::R1(J),XP(b)
- B(f);N_GUARD::R1(J),XB(f)
- R(e);OGATE::QAB(C)
- R(e);N_GUARD::S(M)
- B(f);N_GUARD::S(K),XB(f)
- B(g);S_CUTR(e)::S(M)
- P(b);N_GUARD::QAR1(C)
- P(d);N_GUARD::S(M)
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).