MESON Chess Problem Database
Problem Display
PID: 222486 (3N3b/8/2K1P2p/2Rpk2P/5r2/4N3/4Rr1B/1B3bQ1 w - - 0 1)
Hamilton, Charles Dingee Pennock
Philadelphia Times, 1883
#2
10 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kf6
- 2.Sxd5#
- 1...Rxe2
- 2.Sg4#
- 1...Rg2
- 2.Sg4#
- 1...Rxh2
- 2.Sg4#
- 1...Rf3
- 2.Sg4#
- 1...Bf6
- 2.Rxd5#
- 1...Bg7
- 2.Qxg7#
- 1...Kf6
- Tries
- 1.Sf5+?
- 1...Kf6
- 2.Qg6#
- 1...Rxe2
- 2.Qd4#
- 1...Bxe2!
- 1...Kf6
- 1.Bc2?
- 1...Kf6
- 2.Sxd5#
- 1...Rxe2
- 2.Sg4#
- 1...Rxh2
- 2.Sg4#
- 1...Bxe2
- 2.Qa1#
- 1...Rg2
- 2.Sg4#
- 1...Rf3
- 2.Sg4#
- 1...Bg2
- 2.Qa1#
- 1...Bh3
- 2.Qa1#
- 1...Bf6
- 2.Rxd5#
- 1...Bg7
- 2.Qxg7#
- 1...Kd4!
- 1...Kf6
- 1.Bd3?
- 1...Kf6
- 2.Sxd5#
- 1...Rxe2
- 2.Sg4#
- 1...Rxh2
- 2.Sg4#
- 1...Bxe2
- 2.Qa1#
- 1...Rg2
- 2.Sg4#
- 1...Rf3
- 2.Sg4#
- 1...Bg2
- 2.Qa1#
- 1...Bh3
- 2.Qa1#
- 1...Bf6
- 2.Rxd5#
- 1...Bg7
- 2.Qxg7#
- 1...Kd4!
- 1...Kf6
- 1.Bxf4+?
- 1...Kd4
- 2.Sf5#
- 1...Kf6
- 2.Sxd5#
- 1...Rxf4
- 2.Sg4#
- 1...Kxf4!
- 1...Kd4
- 1.Qxf2?
- threat
- 2.Sg4#
- 2.Qxf4#
- 1...Kd4
- 2.Sf5#
- 2.Qxf4#
- 1...Bxe2
- 2.Qxf4#
- 1...Kf6!
- threat
- 1.Qg5+?
- 1...Kd4
- 2.Qxd5#
- 1...hxg5!
- 1...Kd4
- 1.Qg6?
- threat
- 2.Rxd5#
- 1...Kd4
- 2.Sc2#
- 1...Bg2!
- threat
- 1.Sf5+?
- Keys
- 1.Bh7!
- 1...Kd4
- 2.Sc2#
- 1...Kf6
- 2.Sxd5#
- 1...Rxe2
- 2.Sg4#
- 1...Rxh2
- 2.Sg4#
- 1...Bxe2
- 2.Qa1#
- 1...Rg2
- 2.Sg4#
- 1...Rf3
- 2.Sg4#
- 1...Bg2
- 2.Qa1#
- 1...Bh3
- 2.Qa1#
- 1...Bf6
- 2.Rxd5#
- 1...Bg7
- 2.Qxg7#
- 1...Kd4
- 1.Bh7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- K(e);N_SPINP(d),N_SPINR(c),S_FLIGHT::S(E),XP(d)
- R(b);XR(C)::S(E)
- R(b);::R(C)+S(E),DCHECK
- R(b);N_SPINR(c),XB(D)::R(C)+S(E),DCHECK
- B(g);SBLOCK::R1(F),XP(d)
- B(g);N_GUARD::QAB(B),XB(g)
- Tries
- Try
- S(E);CHECK
- Vars
- K(e);N_SPINP(d),N_SPINR(c),S_FLIGHT::QAR1(B)
- R(b);OGATE,XR(C)::QAB1(B)
- Refutation
- B(a);XR(C)
- Try
- B(A);
- Vars
- K(e);N_SPINP(d),N_SPINR(c),S_FLIGHT::S(E),XP(d)
- R(b);XR(C)::S(E)
- R(b);N_SPINR(c),XB(D)::R(C)+S(E),DCHECK
- B(a);OGATE,XR(C)::QAB(B)
- R(b);::R(C)+S(E),DCHECK
- B(a);OGATE::QAB(B)
- B(g);SBLOCK::R1(F),XP(d)
- B(g);N_GUARD::QAB(B),XB(g)
- Refutation
- K(e);N_SPINP(d),N_SPINR(c),S_FLIGHT
- Try
- B(A);
- Vars
- K(e);N_SPINP(d),N_SPINR(c),S_FLIGHT::S(E),XP(d)
- R(b);XR(C)::S(E)
- R(b);N_SPINR(c),XB(D)::R(C)+S(E),DCHECK
- B(a);OGATE,XR(C)::QAB(B)
- R(b);::R(C)+S(E),DCHECK
- B(a);OGATE::QAB(B)
- B(g);SBLOCK::R1(F),XP(d)
- B(g);N_GUARD::QAB(B),XB(g)
- Refutation
- K(e);N_SPINP(d),N_SPINR(c),S_FLIGHT
- Try
- B(D);CHECK,XR(c)
- Vars
- K(e);N_SPINP(d),S_FLIGHT::S(E)
- K(e);N_SPINP(d),S_FLIGHT::S(E),XP(d)
- R(b);SBLOCK,XB(D)::R(C)+S(E),DCHECK
- Refutation
- K(e);N_SPINP(d),S_FLIGHT,XB(D)
- Try
- Q(B);XR(b)
- Threat
- DUALS(2)
- Vars
- B(a);XR(C)::QAB1(B),XR(c)
- Refutation
- K(e);N_SPINP(d),S_FLIGHT
- Try
- Q(B);CHECK
- Vars
- K(e);N_SPINP(d),N_SPINR(c),OGATE,S_FLIGHT::QAR1(B),XP(d)
- Refutation
- P(f);XQ(B)
- Try
- Q(B);
- Threat
- R1(F),XP(d)
- Vars
- K(e);N_SPINP(d),N_SPINR(c),S_FLIGHT::S(E)
- Refutation
- B(a);
- Try
- Actual
- B(A);
- Vars
- K(e);N_SPINP(d),N_SPINR(c),S_FLIGHT::S(E)
- K(e);N_SPINP(d),N_SPINR(c),S_FLIGHT::S(E),XP(d)
- R(b);XR(C)::S(E)
- R(b);N_SPINR(c),XB(D)::R(C)+S(E),DCHECK
- B(a);OGATE,XR(C)::QAB(B)
- R(b);::R(C)+S(E),DCHECK
- B(a);OGATE::QAB(B)
- B(g);SBLOCK::R1(F),XP(d)
- B(g);N_GUARD::QAB(B),XB(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).