MESON Chess Problem Database
Problem Display
PID: 67428 (K1R5/p4p2/2N1P2n/2PkNP2/7q/8/4R3/2Q4b w - - 0 1)
Stocchi, Ottavio
2nd HM., Praca, 1954
#2
9 + 6
| 5407 | Selected Stocchi (II) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Rd8#
- 2.Qc4#
- 1...Qf2
- 2.Rd8#
- 2.Qc4#
- 1...Qg3
- 2.Rd8#
- 2.Qc4#
- 1...Qg5
- 2.Qc4#
- 1...Qf6
- 2.Qc4#
- 1...Qe7
- 2.Qc4#
- 1...Qd8
- 2.Rxd8#
- 2.Qc4#
- 1...Qh2
- 2.Rd8#
- 2.Qc4#
- 1...Qh3
- 2.Rd8#
- 2.Qc4#
- 1...Qa4
- 2.Rd8#
- 1...Qb4
- 2.Rd8#
- 1...Qc4
- 2.Qxc4#
- 1...Qd4
- 2.Se7#
- 2.Rd8#
- 1...Qe4
- 2.Rd8#
- 1...Qf4
- 2.Rd8#
- 1...Qg4
- 2.Rd8#
- 1...Qh5
- 2.Rd8#
- 2.Qc4#
- 1...Be4
- 2.Qc4#
- 1...Sg4
- 2.Qc4#
- 1...f6
- 2.Rd8#
- 1...Qe1
- Tries
- 1.Sg6?
- threat
- 2.Re5#
- 1...f6
- 2.Sge7#
- 1...Qe1
- 2.Sf4#
- 2.Sge7#
- 1...Qg3
- 2.Sge7#
- 1...Qf6
- 2.Sf4#
- 1...Qh2
- 2.Sge7#
- 1...Qd4
- 2.Sce7#
- 2.Sge7#
- 1...Qe4
- 2.Sge7#
- 1...Qf4
- 2.Sxf4#
- 2.Sge7#
- 1...Sg4
- 2.Sf4#
- 1...Be4!
- threat
- 1.Sb4+?
- 1...Qxb4
- 2.Rd8#
- 1...Kd4+!
- 1...Qxb4
- 1.Se7+?
- 1...Qxe7
- 2.Qd2#
- 2.Qd1#
- 2.Qc4#
- 1...Kd4+!
- 1...Qxe7
- 1.Rd2+?
- 1...Qd4
- 2.Rxd4#
- 1...Ke4!
- 1...Qd4
- 1.Re4?
- threat
- 2.Qc4#
- 1...Qxe4
- 2.Rd8#
- 1...Kxe4!
- threat
- 1.Qd2+?
- 1...Qd4
- 2.Sb4#
- 2.Se7#
- 2.Qxd4#
- 1...Kxc5!
- 1...Qd4
- 1.Qd1+?
- 1...Qd4
- 2.Sb4#
- 2.Se7#
- 2.Qxd4#
- 1...Kxc5!
- 1...Qd4
- 1.e7?
- threat
- 2.Rd8#
- 1...Qxe7
- 2.Qc4#
- 1...Qc4
- 2.Qxc4#
- 1...Qf6
- 2.Qc4#
- 1...Sxf5!
- threat
- 1.Sg6?
- Keys
- 1.Sf3!
- threat
- 2.Re5#
- 1...Qe1
- 2.Se7#
- 1...Qg3
- 2.Sb4#
- 2.Se7#
- 1...Qf6
- 2.Sb4#
- 1...Qh2
- 2.Sb4#
- 2.Se7#
- 1...Qd4
- 2.Se7#
- 1...Qe4
- 2.Se7#
- 1...Qf4
- 2.Se7#
- 1...Sg4
- 2.Sb4#
- 1...f6
- 2.Se7#
- threat
- 1.Sf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 5
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- Q(b);N_GUARD::QAB1(A)
- Q(b);N_GUARD::R(I)
- Q(b);N_GUARD::QAB1(A),XQ(b)
- B(a);S_CUTQ(b)::QAB1(A)
- S(d);S_CUTQ(b)::QAB1(A)
- P(f);S_CUTQ(b)::R(I)
- Tries
- Try
- S(D);
- Threat
- R1(B)
- Vars
- P(f);S_CUTQ(b)::S(D)
- Q(b);N_GUARD::S(D)
- S(d);S_CUTQ(b)::S(D)
- Refutation
- B(a);
- Try
- S(F);CHECK
- Vars
- Q(b);XS(F)::R(I)
- Refutation
- K(c);CHECK,P-FLIGHT
- Try
- S(F);CHECK
- Refutation
- K(c);CHECK,P-FLIGHT
- Try
- R(B);CHECK
- Vars
- Q(b);N_GUARD,P_SPINQ(b)::R1(B),XQ(b)
- Refutation
- K(c);S_FLIGHT
- Try
- R(B);
- Threat
- QAB1(A)
- Vars
- Q(b);N_GUARD,SBLOCK,XR(B)::R(I)
- Refutation
- K(c);S_FLIGHT,XR(B)
- Try
- Q(A);CHECK
- Refutation
- K(c);P-FLIGHT,P_PINS(F),XP(C)
- Try
- Q(A);CHECK
- Refutation
- K(c);P-FLIGHT,P_PINS(F),XP(C)
- Try
- P(G);
- Threat
- R(I)
- Vars
- Q(b);N_GUARD,XP(G)::QAB1(A)
- Q(b);N_GUARD::QAB1(A),XQ(b)
- Q(b);N_GUARD::QAB1(A)
- Refutation
- S(d);XP(E)
- Try
- Actual
- S(D);
- Threat
- R1(B)
- Vars
- Q(b);N_GUARD::S(F)
- S(d);S_CUTQ(b)::S(F)
- P(f);S_CUTQ(b)::S(F)
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