MESON Chess Problem Database
Problem Display
PID: 143118 (5qbb/1Q1Bp3/p1p2Nr1/p6r/k7/3N3R/1PR5/KnB5 w - - 0 1)
Loustau, Jean-Marc
Phenix, 1988
#2
9 + 11
| 133 | The Problemist Supplement | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rxh3
- 2.Sc5#
- 2.Bxc6#
- 1...Rh4
- 2.Sc5#
- 2.Bxc6#
- 1...Rc5
- 2.Sxc5#
- 1...Rd5
- 2.Rc4#
- 2.b3#
- 1...Rhh6
- 2.Sc5#
- 2.Bxc6#
- 1...Rh7
- 2.Sc5#
- 2.Bxc6#
- 1...Bc4
- 2.Rxc4#
- 1...Bd5
- 2.Sc5#
- 1...Bh7
- 2.Rc4#
- 2.b3#
- 1...e5
- 2.Bxc6#
- 1...e6
- 2.b3#
- 1...Rxh3
- Tries
- 1.Rxc6?
- threat
- 2.Rc4#
- 2.Rc5#
- 1...Qxf6
- 2.Rc4#
- 1...Rxf6
- 2.Rc4#
- 1...Qc8
- 2.Rc4#
- 1...Qd8
- 2.Rc4#
- 1...Qe8
- 2.Rc4#
- 1...Rc5
- 2.Sxc5#
- 2.Rxc5#
- 1...Rd5
- 2.Rc4#
- 2.b3#
- 1...Bc4
- 2.Rxc4#
- 1...Bd5
- 2.Sc5#
- 2.Rc4#
- 1...Be6
- 2.Rc4#
- 1...Sa3
- 2.Rc4#
- 1...Sc3
- 2.Rc4#
- 1...Rb5!
- threat
- 1.Rh4+?
- 1...Rxh4
- 2.Sc5#
- 2.Bxc6#
- 1...Bc4
- 2.Rcxc4#
- 2.Rhxc4#
- 2.b3#
- 1...Rg4!
- 1...Rxh4
- 1.Rxh5?
- threat
- 2.Sc5#
- 2.Bxc6#
- 1...Qxf6
- 2.Sc5#
- 1...Rxf6
- 2.Sc5#
- 1...exf6
- 2.Bxc6#
- 1...Qc8
- 2.Sc5#
- 1...Qe8
- 2.Sc5#
- 1...Bc4
- 2.Sc5#
- 2.Rxc4#
- 1...Bd5
- 2.Sc5#
- 1...Sa3
- 2.Sc5#
- 1...Sc3
- 2.Sc5#
- 1...e5
- 2.Bxc6#
- 1...e6
- 2.Bxc6#
- 2.b3#
- 1...Rg5!
- threat
- 1.Qxc6+?
- 1...Kb3
- 2.Qa4#
- 1...Rb5!
- 1...Kb3
- 1.Rxc6?
- Keys
- 1.Sd5!
- threat
- 2.Sc5#
- 2.Rc4#
- 1...Bxb2+
- 2.Sxb2#
- 1...Rxd5
- 2.Rc4#
- 1...Bxd5
- 2.Sc5#
- 1...Qf2
- 2.Rc4#
- 1...Qf4
- 2.Sc5#
- 1...Rh4
- 2.Sc5#
- 1...Rg4
- 2.Sc5#
- 2.Bxc6#
- 1...Bc3
- 2.Sc5#
- 1...Bd4
- 2.Rc4#
- 1...Sd2
- 2.Sc5#
- 1...Sa3
- 2.Sc5#
- 1...Sc3
- 2.Sc5#
- 2.b3#
- 1...e5
- 2.b3#
- 1...e6
- 2.Bxc6#
- threat
- 1.Sd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 9
- REMOVED MATES = 2
- Sets
- R(d);N_GUARD::S(E),XR(d)
- B(j);N_GUARD::R(D),XB(j)
- B(j);S_CUTR(d)::S(E)
- P(h);S_CUTR(d)::B(I),XP(f)
- P(h);S_CUTB(j)::P(C)
- Tries
- Try
- R(D);XP(f)
- Threat
- DUALS(2)
- Vars
- Q(i);P_PINP(C),XS(G)::B(I)+R(D),DCHECK
- R(g);XS(G)::B(I)+R(D),DCHECK
- Q(i);::B(I)+R(D),DCHECK
- B(j);::B(I)+R(D),DCHECK,XB(j)
- B(j);::B(I)+R(D),DCHECK
- S(a);::B(I)+R(D),DCHECK
- Refutation
- R(d);
- Try
- R(F);CHECK
- Refutation
- R(g);P_SPINR(g)
- Try
- R(F);XR(d)
- Threat
- DUALS(2)
- Vars
- Q(i);P_PINP(C),XS(G)::S(E)
- R(g);XS(G)::S(E)
- P(h);XS(G)::B(I),XP(f)
- Q(i);::S(E)
- B(j);::S(E)
- S(a);::S(E)
- P(h);::B(I),XP(f)
- Refutation
- R(g);
- Try
- Q(H);CHECK,XP(f)
- Vars
- K(b);S_FLIGHT::QAB1(H)
- Refutation
- R(d);P_SPINR(d)
- Try
- Actual
- S(G);P_SPINP(C)
- Threat
- DUALS(2)
- Vars
- B(k);CHECK,XP(C)::S(E),XB(k)
- R(d);XS(G)::R(D)
- B(j);XS(G)::S(E)
- Q(i);::R(D)
- Q(i);::S(E)
- R(d);::S(E)
- B(k);::S(E)
- B(k);::R(D)
- S(a);::S(E)
- P(h);N_PINP(C)::P(C)
- P(h);S_CUTR(g)::B(I),XP(f)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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