MESON Chess Problem Database
Problem Display
PID: 65698 (8/8/5NR1/3BkNKp/p2bp3/2prn3/8/2BQ4 w - - 0 1)
Rice, John Michael
2nd Comm., Phenix, 1995
#2
7 + 8
SOLUTION
- SOUND
- Sets
- 1...Sxd1
- 2.Bf4#
- 1...Sf1
- 2.Bf4#
- 1...Sc2
- 2.Bf4#
- 1...Sc4
- 2.Bf4#
- 1...Sg4
- 2.Bf4#
- 1...Sxd5
- 2.Sd7#
- 1...Sxf5
- 2.Bf4#
- 1...Sxd1
- Tries
- 1.Bxe3?
- threat
- 2.Bf4#
- 1...Rxe3
- 2.Qxd4#
- 1...Bxe3+!
- threat
- 1.Qc2?
- threat
- 2.Qh2#
- 1...Sxc2
- 2.Bf4#
- 1...Sxd5
- 2.Sd7#
- 1...Sxf5
- 2.Bf4#
- 1...Rd2
- 2.Qxe4#
- 1...Sd1
- 2.Bf4#
- 1...Sf1
- 2.Bf4#
- 1...Sc4
- 2.Bf4#
- 1...Sg4
- 2.Bf4#
- 1...Sg2!
- threat
- 1.Qe2?
- threat
- 2.Qh2#
- 1...Sxd5
- 2.Sd7#
- 2.Qxe4#
- 1...Sxf5
- 2.Bf4#
- 1...Sd1
- 2.Bf4#
- 2.Qxe4#
- 1...Sf1
- 2.Bf4#
- 2.Qxe4#
- 1...Sc2
- 2.Bf4#
- 2.Qxe4#
- 1...Sg2
- 2.Qxe4#
- 1...Sc4
- 2.Bf4#
- 2.Qxe4#
- 1...Sg4
- 2.Bf4#
- 2.Qxe4#
- 1...Rd2!
- threat
- 1.Qb3?
- threat
- 2.Sd7#
- 2.Qb8#
- 1...Sxd5
- 2.Sd7#
- 2.Qxd5#
- 1...Sxf5
- 2.Sd7#
- 2.Bf4#
- 1...Bc5
- 2.Sd7#
- 1...Bb6
- 2.Sd7#
- 1...Ba7
- 2.Sd7#
- 1...Sc4
- 2.Bf4#
- 1...axb3!
- threat
- 1.Qf3?
- threat
- 2.Qxe4#
- 2.Qg3#
- 2.Qf4#
- 1...Sxd5
- 2.Sd7#
- 2.Qxe4#
- 1...Sxf5
- 2.Bf4#
- 2.Qf4#
- 1...Sd1
- 2.Bf4#
- 2.Qxe4#
- 2.Qf4#
- 1...Sf1
- 2.Bf4#
- 2.Qxe4#
- 2.Qf4#
- 1...Sc2
- 2.Bf4#
- 2.Qxe4#
- 2.Qf4#
- 1...Sg2
- 2.Qxe4#
- 1...Sc4
- 2.Bf4#
- 2.Qxe4#
- 2.Qf4#
- 1...Sg4
- 2.Bf4#
- 2.Qxe4#
- 2.Qf4#
- 1...h4
- 2.Qxe4#
- 2.Qf4#
- 1...exf3!
- threat
- 1.Qg4?
- threat
- 2.Qg3#
- 2.Qxe4#
- 2.Qf4#
- 1...Sxg4
- 2.Bf4#
- 1...Sxd5
- 2.Sd7#
- 2.Qxe4#
- 1...Sxf5
- 2.Bf4#
- 2.Qf4#
- 1...Sd1
- 2.Bf4#
- 2.Qxe4#
- 2.Qf4#
- 1...Sf1
- 2.Bf4#
- 2.Qxe4#
- 2.Qf4#
- 1...Sc2
- 2.Bf4#
- 2.Qxe4#
- 2.Qf4#
- 1...Sg2
- 2.Qxe4#
- 1...Sc4
- 2.Bf4#
- 2.Qxe4#
- 2.Qf4#
- 1...h4
- 2.Qxe4#
- 2.Qf4#
- 1...hxg4!
- threat
- 1.Qe1?
- threat
- 2.Qg3#
- 1...Sxd5
- 2.Sd7#
- 2.Qxe4#
- 1...Sxf5
- 2.Bf4#
- 1...Sd1
- 2.Bf4#
- 2.Qxe4#
- 1...Sf1
- 2.Bf4#
- 2.Qxe4#
- 1...Sc2
- 2.Bf4#
- 2.Qxe4#
- 1...Sg2
- 2.Qxe4#
- 1...Sc4
- 2.Bf4#
- 2.Qxe4#
- 1...Sg4
- 2.Bf4#
- 2.Qxe4#
- 1...h4!
- threat
- 1.Qf1?
- threat
- 2.Qf4#
- 1...Sxf1
- 2.Bf4#
- 1...Sxd5
- 2.Sd7#
- 1...Sg2!
- threat
- 1.Qg1?
- threat
- 2.Qh2#
- 2.Qg3#
- 1...Sxd5
- 2.Sd7#
- 1...Sxf5
- 2.Bf4#
- 1...Rd2
- 2.Qg3#
- 1...Sd1
- 2.Bf4#
- 1...Sf1
- 2.Bf4#
- 1...Sc2
- 2.Bf4#
- 1...Sc4
- 2.Bf4#
- 1...Sg4
- 2.Bf4#
- 1...h4
- 2.Qh2#
- 1...Sg2!
- threat
- 1.Qh1?
- threat
- 2.Qxe4#
- 2.Qh2#
- 1...Sxd5
- 2.Sd7#
- 2.Qxe4#
- 1...Sxf5
- 2.Bf4#
- 1...Rd2
- 2.Qxe4#
- 1...Sd1
- 2.Bf4#
- 2.Qxe4#
- 1...Sf1
- 2.Bf4#
- 2.Qxe4#
- 1...Sc2
- 2.Bf4#
- 2.Qxe4#
- 1...Sc4
- 2.Bf4#
- 2.Qxe4#
- 1...Sg4
- 2.Bf4#
- 2.Qxe4#
- 1...Sg2!
- threat
- 1.Qxd3?
- threat
- 2.Qxe4#
- 2.Qxd4#
- 1...Sxd5
- 2.Sd7#
- 2.Qxe4#
- 1...Sxf5
- 2.Bf4#
- 1...Bc5
- 2.Sd7#
- 2.Qxe4#
- 1...Bb6
- 2.Sd7#
- 2.Qxe4#
- 1...Ba7
- 2.Sd7#
- 2.Qxe4#
- 1...Sc2
- 2.Bf4#
- 2.Qxe4#
- 2.Qg3#
- 1...exd3!
- threat
- 1.Bxe3?
- Keys
- 1.Qxa4!
- threat
- 2.Qe8#
- 1...Sxd5
- 2.Sd7#
- 1...Sxf5
- 2.Bf4#
- 1...Bc5
- 2.Qxe4#
- threat
- 1.Qxa4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- S(c);OGATE,XQ(B)::B(A)
- S(c);OGATE::B(A)
- S(c);SBLOCK,XB(C)::S(F)
- S(c);OGATE,XS(D)::B(A)
- Tries
- Try
- B(A);XS(c)
- Threat
- B(A)
- Vars
- R(b);OGATE,XB(A)::QAB1(B),XB(e)
- Refutation
- B(e);CHECK,XB(A)
- Try
- Q(B);
- Threat
- QAB(B)
- Vars
- S(c);OGATE,XQ(B)::B(A)
- S(c);SBLOCK,XB(C)::S(F)
- S(c);OGATE,XS(D)::B(A)
- R(b);OGATE::QAR1(B),XP(f)
- S(c);OGATE::B(A)
- Refutation
- S(c);
- Try
- Q(B);
- Threat
- QAB(B)
- Vars
- S(c);OGATE,P_SPINP(f),XS(D)::B(A)
- S(c);OGATE,P_SPINP(f)::QAR1(B),XP(f)
- Refutation
- R(b);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- B(e);::S(F)
- S(c);OGATE::B(A)
- Refutation
- P(d);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- S(c);::QAR1(B),XP(f)
- Refutation
- P(f);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- S(c);OGATE,XQ(B)::B(A)
- S(c);::QAR1(B),XP(f)
- Refutation
- P(h);XQ(B)
- Try
- Q(B);
- Threat
- QAB(B)
- Vars
- S(c);OGATE,P_SPINP(f),XS(D)::B(A)
- S(c);OGATE,P_SPINP(f)::QAR1(B),XP(f)
- Refutation
- P(h);
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- S(c);OGATE,XQ(B)::B(A)
- S(c);SBLOCK,XB(C)::S(F)
- Refutation
- S(c);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(c);SBLOCK,XB(C)::S(F)
- S(c);OGATE,XS(D)::B(A)
- R(b);::QAB(B)
- S(c);OGATE::B(A)
- P(h);::QAB(B)
- Refutation
- S(c);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(c);OGATE,XS(D)::B(A)
- R(b);::QAR1(B),XP(f)
- Refutation
- S(c);
- Try
- Q(B);XR(b)
- Threat
- DUALS(2)
- Vars
- S(c);OGATE,XS(D)::B(A)
- Refutation
- P(f);XQ(B)
- Try
- Actual
- Q(B);XP(d)
- Threat
- QAR(B)
- Vars
- S(c);SBLOCK,XB(C)::S(F)
- S(c);OGATE,XS(D)::B(A)
- B(e);OGATE::QAR1(B),XP(f)
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).