MESON Chess Problem Database
Problem Display
PID: 43489 (2B5/3K4/4N3/5k1P/3B4/5P1N/6r1/4b3 w - - 0 1)
Rice, John Michael
7th HM., Arguelles JT, 1963
#2
7 + 3
| 133 | The Problemist Supplement | 2002 |
| 5503 | ISC | 2006 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Sg7#
- 1...Rb2
- 2.Sg7#
- 1...Rc2
- 2.Sg7#
- 1...Rd2
- 2.Sg7#
- 1...Re2
- 2.Sg7#
- 1...Rf2
- 2.Sg7#
- 1...Rh2
- 2.Sg7#
- 1...Rg7+
- 2.Sxg7#
- 1...Bg3
- 2.Sg7#
- 1...Ra2
- Tries
- 1.Kc6?
- threat
- 2.Sef4#
- 2.Sc5#
- 2.Seg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Rc2+
- 2.Sc5#
- 1...Re2
- 2.Sg7#
- 1...Rg5
- 2.Sef4#
- 2.Sc5#
- 2.Sexg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Rg7
- 2.Sxg7#
- 1...Rg8
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Rg6!
- threat
- 1.Kd6?
- threat
- 2.Sef4#
- 2.Sc5#
- 2.Seg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Bg3+
- 2.Sef4#
- 1...Bb4+
- 2.Sc5#
- 1...Rc2
- 2.Sc5#
- 2.Sc7#
- 2.Sg7#
- 1...Re2
- 2.Sg7#
- 1...Rg5
- 2.Sef4#
- 2.Sc5#
- 2.Sexg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Rg7
- 2.Sxg7#
- 1...Rg8
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Rg6!
- threat
- 1.Kc7?
- threat
- 2.Sef4#
- 2.Sc5#
- 2.Seg5#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Rc2+
- 2.Sc5#
- 1...Rg7+
- 2.Sxg7#
- 1...Bg3+
- 2.Sef4#
- 1...Rg6
- 2.Sg7#
- 1...Re2
- 2.Sg7#
- 1...Rg5
- 2.Sef4#
- 2.Sc5#
- 2.Sexg5#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Rg8
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Ba5+!
- threat
- 1.Ke7?
- threat
- 2.Sef4#
- 2.Sc5#
- 2.Seg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Rg7+
- 2.Sxg7#
- 1...Bb4+
- 2.Sc5#
- 1...Bh4+
- 2.Seg5#
- 1...Rg6
- 2.Sg7#
- 1...Rc2
- 2.Sc5#
- 2.Sc7#
- 2.Sg7#
- 1...Rg5
- 2.Sef4#
- 2.Sc5#
- 2.Sexg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Rg8
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Re2!
- threat
- 1.Ke8?
- threat
- 2.Sef4#
- 2.Sc5#
- 2.Seg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Rg8+
- 2.Sf8#
- 1...Rg6
- 2.Sg7#
- 1...Rc2
- 2.Sc5#
- 2.Sc7#
- 2.Sg7#
- 1...Rg5
- 2.Sef4#
- 2.Sc5#
- 2.Sexg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Rg7
- 2.Sxg7#
- 1...Re2!
- threat
- 1.Ba6?
- threat
- 2.Bd3#
- 1...Rg7+
- 2.Sxg7#
- 1...Rd2
- 2.Sg7#
- 1...Re2
- 2.Sg7#
- 1...Rg4!
- threat
- 1.Bb7?
- threat
- 2.Be4#
- 1...Rg7+
- 2.Sxg7#
- 1...Re2
- 2.Sg7#
- 1...Rg4!
- threat
- 1.Kc6?
- Keys
- 1.Kd8!
- threat
- 2.Sef4#
- 2.Sc5#
- 2.Seg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sf8#
- 1...Rg8+
- 2.Sf8#
- 1...Bh4+
- 2.Seg5#
- 1...Ba5+
- 2.Sc7#
- 1...Rg6
- 2.Sg7#
- 1...Rc2
- 2.Sc5#
- 2.Sc7#
- 2.Sg7#
- 1...Re2
- 2.Sg7#
- 1...Rg5
- 2.Sef4#
- 2.Sc5#
- 2.Sexg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sf8#
- 1...Rg7
- 2.Sxg7#
- threat
- 1.Kd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 7
- Sets
- R(b);N_GUARD::S(E)
- R(b);N_GUARD,P_PINB(C)::S(E)
- R(b);CHECK,N_GUARD::S(E),XR(b)
- B(a);S_CUTR(b)::S(E)
- Tries
- Try
- K(F);S_FLIGHT
- Threat
- DUALS(7)
- Vars
- R(b);CHECK::B(G)+S(E)
- R(b);::B(G)+S(E),DCHECK
- R(b);::B(G)+S(E),DCHECK,XR(b)
- Refutation
- R(b);P_PINS(E)
- Try
- K(F);P-FLIGHT
- Threat
- DUALS(7)
- Vars
- B(a);CHECK::B(G)+S(E)
- R(b);::B(G)+S(E),DCHECK
- R(b);::B(G)+S(E),DCHECK,XR(b)
- Refutation
- R(b);P_PINS(E)
- Try
- K(F);P-FLIGHT
- Threat
- DUALS(6)
- Vars
- R(b);CHECK::B(G)+S(E)
- R(b);CHECK::B(G)+S(E),DCHECK,XR(b)
- B(a);CHECK::B(G)+S(E)
- R(b);::B(G)+S(E),DCHECK
- Refutation
- B(a);CHECK
- Try
- K(F);P-FLIGHT
- Threat
- DUALS(7)
- Vars
- R(b);CHECK::B(G)+S(E),DCHECK,XR(b)
- B(a);CHECK::B(G)+S(E)
- R(b);::B(G)+S(E),DCHECK
- Refutation
- R(b);P_PINS(E)
- Try
- K(F);S_FLIGHT
- Threat
- DUALS(7)
- Vars
- R(b);CHECK::B(G)+S(E)
- R(b);::B(G)+S(E),DCHECK
- R(b);::B(G)+S(E),DCHECK,XR(b)
- Refutation
- R(b);P_PINS(E)
- Try
- B(G);
- Threat
- B(G)
- Vars
- R(b);CHECK,N_GUARD::S(E),XR(b)
- R(b);N_GUARD,P_PINB(C)::S(E)
- R(b);N_GUARD::S(E)
- Refutation
- R(b);
- Try
- B(G);
- Threat
- B(G)
- Vars
- R(b);CHECK,N_GUARD::S(E),XR(b)
- R(b);N_GUARD::S(E)
- Refutation
- R(b);
- Try
- Actual
- K(F);P-FLIGHT
- Threat
- DUALS(6)
- Vars
- R(b);CHECK::B(G)+S(E)
- B(a);CHECK::B(G)+S(E)
- R(b);::B(G)+S(E),DCHECK
- R(b);::B(G)+S(E),DCHECK,XR(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).