MESON Chess Problem Database
Problem Display
PID: 109246 (KQ4n1/R5P1/P1ppp3/3kbNp1/2pPppB1/1p1R2P1/nP1PN3/8 w - - 0 1)
Rizzetti, Dante Hugo
Northwest Chess, 1979
#2
13 + 12
| 6490 | yacpdb | 2009 |
| 16325 | Seleccion de Problemas de Dante Hugo Rizzetti (Kapros) | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Bxd4
- 2.Qxd6#
- 1...Bf6
- 2.Qxd6#
- 1...Bxg7
- 2.Qxd6#
- 1...Sc1
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb4
- 2.Sc3#
- 1...Sf6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...cxd3
- 2.Qxb3#
- 1...c3
- 2.Qxb3#
- 1...exd3
- 2.Bf3#
- 1...e3
- 2.Bf3#
- 1...fxg3
- 2.Se3#
- 1...f3
- 2.Se3#
- 1...c5
- 2.Qb7#
- 1...exf5
- 2.Qxg8#
- 1...Bxd4
- Tries
- 1.Bh5?
- 1...Bxd4
- 2.Qxd6#
- 1...Bxg7
- 2.Qxd6#
- 1...cxd3
- 2.Qxb3#
- 1...exd3
- 2.Bf3#
- 1...fxg3
- 2.Se3#
- 1...exf5
- 2.Bf7#
- 2.Qxg8#
- 1...c3
- 2.Qxb3#
- 1...e3
- 2.Bf3#
- 1...c5
- 2.Qb7#
- 1...Sc3
- 2.Sxc3#
- 1...Bf6
- 2.Qxd6#
- 1...Sc1
- 2.Sc3#
- 1...Sb4
- 2.Sc3#
- 1...Sf6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...f3
- 2.Se3#
- 1...g4!
- 1...Bxd4
- 1.Rxb3?
- 1...Bxd4
- 2.Qxd6#
- 1...Bxg7
- 2.Qxd6#
- 1...cxb3
- 2.Qxb3#
- 1...fxg3
- 2.Se3#
- 1...exf5
- 2.Qxg8#
- 1...e3
- 2.Bf3#
- 1...c5
- 2.Qb7#
- 1...Sc3
- 2.Sxc3#
- 1...Bf6
- 2.Qxd6#
- 1...Sc1
- 2.Sc3#
- 1...Sb4
- 2.Sc3#
- 1...Sf6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...f3
- 2.Se3#
- 1...c3!
- 1...Bxd4
- 1.Rf3?
- 1...Bxd4
- 2.Qxd6#
- 1...Bxg7
- 2.Qxd6#
- 1...exf3
- 2.Bxf3#
- 1...fxg3
- 2.Se3#
- 1...exf5
- 2.Qxg8#
- 1...c3
- 2.Qxb3#
- 1...c5
- 2.Qb7#
- 1...Sc3
- 2.Sxc3#
- 1...Bf6
- 2.Qxd6#
- 1...Sc1
- 2.Sc3#
- 1...Sb4
- 2.Sc3#
- 1...Sf6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...e3!
- 1...Bxd4
- 1.Rf7?
- 1...Bxd4
- 2.Qxd6#
- 1...Bxg7
- 2.Qxd6#
- 1...cxd3
- 2.Qxb3#
- 1...exd3
- 2.Bf3#
- 1...fxg3
- 2.Se3#
- 1...c3
- 2.Qxb3#
- 1...e3
- 2.Bf3#
- 1...c5
- 2.Qb7#
- 1...Sc3
- 2.Sxc3#
- 1...Bf6
- 2.Qxd6#
- 1...Sc1
- 2.Sc3#
- 1...Sb4
- 2.Sc3#
- 1...Sf6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...f3
- 2.Se3#
- 1...exf5!
- 1...Bxd4
- 1.Qb4?
- 1...Bxd4
- 2.Qxd6#
- 1...Bxg7
- 2.Qxd6#
- 1...Sxb4
- 2.Sc3#
- 1...cxd3
- 2.Qxb3#
- 1...exd3
- 2.Bf3#
- 1...fxg3
- 2.Se3#
- 1...e3
- 2.Bf3#
- 1...c5
- 2.Qb7#
- 1...Sc3
- 2.Sxc3#
- 1...Bf6
- 2.Qxd6#
- 1...Sc1
- 2.Sc3#
- 1...Sf6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...c3
- 2.Qxb3#
- 1...f3
- 2.Se3#
- 1...exf5!
- 1...Bxd4
- 1.Qb5+?
- 1...c5
- 2.Qb7#
- 1...cxb5!
- 1...c5
- 1.Bh5?
- Keys
- 1.Rd7!
- 1...Bxd4
- 2.Qxd6#
- 1...Bxg7
- 2.Rxd6#
- 2.Qxd6#
- 1...cxd3
- 2.Qxb3#
- 1...exd3
- 2.Bf3#
- 1...fxg3
- 2.Se3#
- 1...exf5
- 2.Qxg8#
- 1...c3
- 2.Qxb3#
- 1...e3
- 2.Bf3#
- 1...c5
- 2.Qb7#
- 1...Sc3
- 2.Sxc3#
- 1...Bf6
- 2.Rxd6#
- 2.Qxd6#
- 1...Sc1
- 2.Sc3#
- 1...Sb4
- 2.Sc3#
- 1...Sf6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...f3
- 2.Se3#
- 1...Bxd4
- 1.Rd7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- B(g);N_GUARD,P_SPINB(g),XP(F)::QAR1(M),XP(j)
- B(g);N_GUARD::QAR1(M),XP(j)
- B(g);N_GUARD,XP(K)::QAR1(M),XP(j)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(l);N_GUARD::S(H)
- S(l);N_GUARD::S(H),XS(l)
- P(c);OGATEB,XR(D)::QAB(M),XP(b)
- P(c);OGATEB::QAB(M),XP(b)
- P(d);OGATEB,XR(D)::B(G)
- P(d);OGATEB::B(G)
- P(e);N_GUARD,XP(E)::S(H)
- P(e);N_GUARD::S(H)
- P(i);OGATEB::QAB(M)
- P(k);OGATEB,XS(H)::QAB(M),XS(l)
- Tries
- Try
- B(G);
- Vars
- B(g);N_GUARD,P_SPINB(g),XP(F)::QAR1(M),XP(j)
- B(g);N_GUARD,XP(K)::QAR1(M),XP(j)
- P(c);OGATEB,XR(D)::QAB(M),XP(b)
- P(d);OGATEB,XR(D)::B(G)
- P(e);N_GUARD,XP(E)::S(H)
- P(c);OGATEB::QAB(M),XP(b)
- P(d);OGATEB::B(G)
- P(i);OGATEB::QAB(M)
- S(a);N_GUARD::S(C),XS(a)
- B(g);N_GUARD::QAR1(M),XP(j)
- S(a);N_GUARD::S(C)
- S(l);N_GUARD::S(H)
- S(l);N_GUARD::S(H),XS(l)
- P(e);N_GUARD::S(H)
- Refutation
- P(h);
- Try
- R(D);XP(b)
- Vars
- B(g);N_GUARD,XP(F)::QAR1(M),XP(j)
- B(g);N_GUARD,XP(K)::QAR1(M),XP(j)
- P(c);OGATE,XR(D)::QAB(M),XP(c)
- P(e);N_GUARD,XP(E)::S(H)
- P(k);OGATEB,XS(H)::QAB(M),XS(l)
- P(d);OGATEB::B(G)
- P(i);OGATEB::QAB(M)
- S(a);N_GUARD::S(C),XS(a)
- B(g);N_GUARD::QAR1(M),XP(j)
- S(a);N_GUARD::S(C)
- S(l);N_GUARD::S(H)
- S(l);N_GUARD::S(H),XS(l)
- P(e);N_GUARD::S(H)
- Refutation
- P(c);
- Try
- R(D);
- Vars
- B(g);N_GUARD,XP(F)::QAR1(M),XP(j)
- B(g);N_GUARD,XP(K)::QAR1(M),XP(j)
- P(d);OGATE,XR(D)::B(G),XP(d)
- P(e);N_GUARD,XP(E)::S(H)
- P(k);OGATEB,XS(H)::QAB(M),XS(l)
- P(c);OGATEB::QAB(M),XP(b)
- P(i);OGATEB::QAB(M)
- S(a);N_GUARD::S(C),XS(a)
- B(g);N_GUARD::QAR1(M),XP(j)
- S(a);N_GUARD::S(C)
- S(l);N_GUARD::S(H)
- S(l);N_GUARD::S(H),XS(l)
- Refutation
- P(d);
- Try
- R(J);
- Vars
- B(g);N_GUARD,P_SPINB(g),XP(F)::QAR1(M),XP(j)
- B(g);N_GUARD,XP(K)::QAR1(M),XP(j)
- P(c);OGATEB,XR(D)::QAB(M),XP(b)
- P(d);OGATEB,XR(D)::B(G)
- P(e);N_GUARD,XP(E)::S(H)
- P(c);OGATEB::QAB(M),XP(b)
- P(d);OGATEB::B(G)
- P(i);OGATEB::QAB(M)
- S(a);N_GUARD::S(C),XS(a)
- B(g);N_GUARD::QAR1(M),XP(j)
- S(a);N_GUARD::S(C)
- S(l);N_GUARD::S(H)
- S(l);N_GUARD::S(H),XS(l)
- P(e);N_GUARD::S(H)
- Refutation
- P(k);XS(H)
- Try
- Q(M);
- Vars
- B(g);N_GUARD,P_SPINB(g),XP(F)::QAR1(M),XP(j)
- B(g);N_GUARD,XP(K)::QAR1(M),XP(j)
- S(a);N_GUARD,XQ(M)::S(C)
- P(c);OGATEB,XR(D)::QAB(M),XP(b)
- P(d);OGATEB,XR(D)::B(G)
- P(e);N_GUARD,XP(E)::S(H)
- P(d);OGATEB::B(G)
- P(i);OGATEB::QAB(M)
- S(a);N_GUARD::S(C),XS(a)
- B(g);N_GUARD::QAR1(M),XP(j)
- S(a);N_GUARD::S(C)
- S(l);N_GUARD::S(H)
- S(l);N_GUARD::S(H),XS(l)
- P(c);OGATEB::QAB(M),XP(b)
- P(e);N_GUARD::S(H)
- Refutation
- P(k);XS(H)
- Try
- Q(M);CHECK
- Vars
- P(i);OGATEB,P_SPINP(i)::QAB(M)
- Refutation
- P(i);XQ(M)
- Try
- Actual
- R(J);P_PINP(j)
- Vars
- B(g);N_GUARD,P_SPINB(g),XP(F)::QAR1(M),XP(j)
- P(c);OGATEB,XR(D)::QAB(M),XP(b)
- P(d);OGATEB,XR(D)::B(G)
- P(e);N_GUARD,XP(E)::S(H)
- P(k);OGATEB,XS(H)::QAB(M),XS(l)
- P(c);OGATEB::QAB(M),XP(b)
- P(d);OGATEB::B(G)
- P(i);OGATEB::QAB(M)
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- S(l);N_GUARD::S(H)
- S(l);N_GUARD::S(H),XS(l)
- P(e);N_GUARD::S(H)
Developed and maintained by Brian Stephenson.
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