MESON Chess Problem Database
Problem Display
PID: 192929 (5KQ1/1p1p1p2/pNkP4/PR6/B2p4/BP2p1p1/3Pq3/b7 w - - 0 1)
Rizzetti, Dante Hugo
Roscher MT, 1978
#2
10 + 10
| 16325 | Seleccion de Problemas de Dante Hugo Rizzetti (Kapros) | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qf3
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qg4
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qh5
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rxh5#
- 1...Qe1
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qxd2
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qf2
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qg2
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qh2
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...d3
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...f5
- 2.Qd5#
- 1...f6
- 2.Qd5#
- 1...Qd1
- Tries
- 1.Ke7?
- threat
- 2.Rc5#
- 2.Qc8#
- 1...Qxb5
- 2.Qc8#
- 1...axb5
- 2.Qc8#
- 1...exd2+!
- threat
- 1.Sc8?
- threat
- 2.Sa7#
- 2.Se7#
- 2.Rc5#
- 1...Qxb5
- 2.Se7#
- 1...exd2
- 2.Sa7#
- 2.Rc5#
- 1...axb5
- 2.Se7#
- 1...b6!
- threat
- 1.Rb4+?
- 1...Kc5
- 2.Rc4#
- 1...Qb5
- 2.Rc4#
- 1...Kxd6!
- 1...Kc5
- 1.Qxf7?
- threat
- 2.Qd5#
- 2.Qxd7#
- 1...Qf3
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Qxf3#
- 1...Qc4
- 2.Qxc4#
- 2.Qxd7#
- 1...Qg4
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Qc4#
- 2.Qd5#
- 1...Qh5
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rxh5#
- 2.Qxd7#
- 1...Qf2
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qg2
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Qc4#
- 2.Qxd7#
- 1...Qf1!
- threat
- 1.Qxg3?
- threat
- 2.Rc5#
- 1...Qxb5
- 2.Qg2#
- 2.Qf3#
- 1...axb5!
- threat
- 1.Qg4?
- threat
- 2.Qxd7#
- 2.Qe4#
- 1...Qxg4
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...exd2
- 2.Qxd7#
- 1...Qd3
- 2.Qxd7#
- 1...Qf3
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Qxf3#
- 2.Qxd7#
- 1...Qc4
- 2.Qxd7#
- 1...Qg2
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Qxd7#
- 1...f5!
- threat
- 1.Qg6?
- threat
- 2.Rc5#
- 2.Qe4#
- 1...Qxb5
- 2.Qe4#
- 1...exd2
- 2.Rc5#
- 1...axb5
- 2.Qe4#
- 1...Qd3
- 2.Rc5#
- 1...Qf3
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qc4
- 2.Rc5#
- 1...Qg4
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qh5
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rxh5#
- 1...Qg2
- 2.Rc5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...f5
- 2.Rc5#
- 1...f6
- 2.Qe4#
- 1...fxg6!
- threat
- 1.Ke7?
- Keys
- 1.Kg7!
- threat
- 2.Qc8#
- 1...Qg4+
- 2.Rg5#
- 1...d3+
- 2.Re5#
- threat
- 1.Kg7!
This is a version
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- P(j);OGATE::QAB1(J)
- Tries
- Try
- K(I);S_FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(b);P_SPINQ(b),XR(F)::QAR2(J)
- P(f);P_SPINP(f),XR(F)::QAR2(J)
- Refutation
- P(c);CHECK,XP(A)
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- Q(b);P_SPINQ(b),XR(F)::S(G)
- P(f);P_SPINP(f),XR(F)::S(G)
- Refutation
- P(h);
- Try
- R(F);CHECK
- Vars
- K(g);P-FLIGHT::B(B)+R(F),DCHECK
- Q(b);P_SPINQ(b)::R(F)
- Refutation
- K(g);P-FLIGHT,XP(H)
- Try
- Q(J);XP(j)
- Threat
- DUALS(2)
- Refutation
- Q(b);P_PINQ(J)
- Try
- Q(J);XP(d)
- Threat
- B(D)+R(F),DCHECK
- Refutation
- P(f);P_SPINP(f),XR(F)
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- P(c);XP(A)::QAB1(J),XP(i)
- Q(b);::QAB1(J),XP(i)
- Refutation
- P(j);
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- Q(b);P_SPINQ(b),XR(F)::QAB(J)
- P(c);XP(A)::B(D)+R(F),DCHECK
- P(f);P_SPINP(f),XR(F)::QAB(J)
- Q(b);::B(D)+R(F),DCHECK
- P(j);::B(D)+R(F),DCHECK
- P(j);::QAB(J)
- Refutation
- P(j);XQ(J)
- Try
- Actual
- K(I);S_FLIGHT
- Threat
- QAR2(J)
- Vars
- Q(b);CHECK,N_GUARD::B(D)+R(F)
- P(e);CHECK,S_CUTQ(b)::B(D)+R(F)
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