MESON Chess Problem Database
Problem Display
PID: 60883 (n7/K3p3/5P1p/p1QPkpRN/r3Pq2/3PNp1B/3rR3/2B4b w - - 0 1)
Stocchi, Ottavio
Jerusalem Post, 1951
(First published on Fri May 11 1951)
#2
12 + 11
| 5407 | Selected Stocchi (II) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Qh2
- 2.Sg4#
- 2.Rxf5#
- 1...Qxe3
- 2.Rxf5#
- 1...Qg3
- 2.Rxf5#
- 1...Qxe4
- 2.Sg4#
- 1...Qg4
- 2.Sxg4#
- 1...Qh4
- 2.Rxf5#
- 1...Ra1
- 2.Sc4#
- 1...Ra2
- 2.Sc4#
- 1...Ra3
- 2.Sc4#
- 1...Rc4
- 2.Sxc4#
- 1...Rd4
- 2.Qxe7#
- 1...Rxe4
- 2.Sc4#
- 1...e6
- 2.d6#
- 1...Qh2
- Tries
- 1.Sxf5?
- threat
- 2.Qxe7#
- 1...Qxe4
- 2.Sxh6#
- 1...Qxf5
- 2.Rxf5#
- 1...Rxe4
- 2.Qd4#
- 1...exf6
- 2.Qd6#
- 2.Qe7#
- 1...Sc7
- 2.Qxc7#
- 1...e6
- 2.Qd6#
- 2.d6#
- 1...Qe3!
- threat
- 1.Bb2+?
- 1...Rd4
- 2.Sc4#
- 2.Bxd4#
- 2.Qxe7#
- 1...Rxb2!
- 1...Rd4
- 1.Rg7?
- threat
- 2.Rxe7#
- 1...exf6
- 2.Re7#
- 1...e6
- 2.d6#
- 1...Sc7!
- threat
- 1.Qc3+?
- 1...Rd4
- 2.Sc4#
- 1...Kd6!
- 1...Rd4
- 1.d4+?
- 1...Rdxd4
- 2.Qxe7#
- 1...Raxd4
- 2.Qxe7#
- 1...Kxe4!
- 1...Rdxd4
- 1.exf5?
- threat
- 2.Sc4#
- 2.Sg4#
- 2.d6#
- 1...Qxe3
- 2.d6#
- 1...Qxg5
- 2.Sc4#
- 2.d6#
- 1...Qxf5
- 2.Sc4#
- 2.Sg4#
- 2.Rxf5#
- 1...Rxe2
- 2.d6#
- 1...Rxd3
- 2.Sc4#
- 2.Sg4#
- 1...hxg5
- 2.Sc4#
- 2.d6#
- 1...Qb4
- 2.Sc4#
- 2.Sg4#
- 1...Qc4
- 2.Sxc4#
- 2.Sg4#
- 1...Qd4
- 2.Sc4#
- 2.Sg4#
- 1...Qe4
- 2.Sg4#
- 1...Qg4
- 2.Sc4#
- 2.Sxg4#
- 2.d6#
- 1...Rc2
- 2.Sc4#
- 2.Sg4#
- 1...Rc4
- 2.Sxc4#
- 2.Sg4#
- 1...Rd4
- 2.Sc4#
- 2.Sg4#
- 2.Qxe7#
- 1...Re4
- 2.Sc4#
- 2.d6#
- 1...Sb6
- 2.Sc4#
- 2.Sg4#
- 1...Sc7
- 2.Sc4#
- 2.Sg4#
- 1...f2
- 2.Sc4#
- 2.Sg4#
- 1...fxe2!
- threat
- 1.Sxf5?
- Keys
- 1.Sc2!
- threat
- 2.Qxe7#
- 1...Qxe4
- 2.Rxf5#
- 1...Rxc2
- 2.Bxf4#
- 1...Rxe4
- 2.Bb2#
- 1...exf6
- 2.Qe7#
- 1...Qe3
- 2.Rxf5#
- 1...Sc7
- 2.Qxc7#
- 1...e6
- 2.d6#
- threat
- 1.Sc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- Q(e);N_GUARD,P_PINQ(G),XS(D)::R1(I),XP(h)
- Q(e);N_GUARD::R1(I),XP(h)
- Q(e);N_GUARD,XP(F)::S(D)
- Q(e);N_GUARD::S(D),XQ(e)
- R(d);N_GUARD::S(D)
- R(d);N_GUARD::S(D),XR(d)
- R(d);SBLOCK::QAR2(G),XP(j)
- R(d);N_GUARD,XP(F)::S(D)
- P(j);SBLOCK::QAR(G)+P(H)
- Tries
- Try
- S(D);XP(h)
- Threat
- QAR2(G),XP(j)
- Vars
- Q(e);N_GUARD,P_SPINQ(e),XP(F)::R(I)+S(D),XP(i)
- Q(e);OGATE,P_SPINQ(e),XS(D)::R1(I),XQ(e)
- R(d);N_GUARD,P_SPINR(d),XP(F)::QAB1(G)
- S(k);N_GUARD::QAB(G),XS(k)
- Refutation
- Q(e);P_PINQ(G)
- Try
- B(A);CHECK
- Refutation
- R(b);XB(A)
- Try
- R(I);N_PINP(h)
- Threat
- R(I),XP(j)
- Vars
- P(j);XP(K)::R(I)
- P(j);SBLOCK::QAR(G)+P(H)
- Refutation
- S(k);
- Try
- Q(G);CHECK
- Vars
- R(d);P_SPINR(d)::S(D)
- Refutation
- K(g);N_SPINP(h),S_FLIGHT
- Try
- P(C);CHECK
- Vars
- R(b);SBLOCK,XP(C)::QAR2(G),XP(j)
- R(d);SBLOCK,XP(C)::QAR2(G),XP(j)
- Refutation
- K(g);N_SPINP(h),P-FLIGHT,XP(F)
- Try
- P(F);XP(h)
- Threat
- DUALS(3)
- Vars
- Q(e);P_PINQ(G),P_SPINQ(e),XS(D)::QAR(G)+P(H)
- R(b);XR(B)::QAR(G)+P(H)
- Q(e);::S(D)
- Refutation
- P(c);XR(B)
- Try
- Actual
- S(D);
- Threat
- QAR2(G),XP(j)
- Vars
- Q(e);N_GUARD,P_SPINQ(e),XP(F)::R1(I),XP(h)
- R(b);OGATE,XS(D)::B(A),XQ(e)
- R(d);N_GUARD,P_SPINR(d),XP(F)::B(A)
- P(j);XP(K)::QAR2(G)
- Q(e);N_GUARD,P_PINQ(G)::R1(I),XP(h)
- S(k);N_GUARD::QAB(G),XS(k)
- P(j);SBLOCK::QAR(G)+P(H)
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