MESON Chess Problem Database
Problem Display
PID: 33635 (3Q2Bq/2p1PN1N/1Pbn1Pn1/b6R/1r2k3/2rpB3/3P1K2/4R3 w - - 0 1)
Stocchi, Ottavio
L'Echiquier de Paris, 1950
#2
12 + 10
| 3100 | Selected Stocchi (I) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Qxf6+
- 2.Sxf6#
- 1...Rd4
- 2.Bh6#
- 1...Sc4
- 2.Qd4#
- 1...Sb5
- 2.Bh6#
- 1...Sf5
- 2.Shg5#
- 1...Sb7
- 2.Bh6#
- 1...Sxf7
- 2.Bh6#
- 1...Sc8
- 2.Bh6#
- 1...Se8
- 2.Bh6#
- 1...Sf4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sxe7
- 2.Re5#
- 2.Qxe7#
- 1...Sf8
- 2.Re5#
- 1...cxb6
- 2.Sxd6#
- 1...Qxf6+
- Tries
- 1.Qxd6?
- threat
- 2.Bd4#
- 2.Bf4#
- 2.Bc5#
- 2.Bh6#
- 1...Qxf6+
- 2.Sxf6#
- 2.Bf4#
- 1...Bxb6
- 2.Bd4#
- 2.Bc5#
- 2.Bxb6#
- 1...cxd6
- 2.Sxd6#
- 1...Rc5
- 2.Bd4#
- 2.Bf4#
- 2.Bxc5#
- 2.Bh6#
- 1...Rb1
- 2.Qd4#
- 1...Rd4
- 2.Bxd4#
- 2.Bf4#
- 2.Bh6#
- 2.Qxd4#
- 1...Bd5
- 2.Bc5#
- 2.Qxd5#
- 1...Sf4
- 2.Bxf4#
- 2.Re5#
- 2.Qxf4#
- 2.Qe5#
- 1...Se5
- 2.Bh6#
- 2.Rxe5#
- 2.Qxe5#
- 1...Rc1!
- threat
- 1.bxc7?
- threat
- 2.Sxd6#
- 1...Qxf6+
- 2.Sxf6#
- 1...Sxf7
- 2.Bh6#
- 1...Rd4
- 2.Bh6#
- 1...Sc4
- 2.Qd4#
- 1...Sb5
- 2.Bh6#
- 1...Sf5
- 2.Shg5#
- 1...Sb7
- 2.Bh6#
- 1...Sc8
- 2.Bh6#
- 1...Se8
- 2.Bh6#
- 1...Bxc7!
- threat
- 1.e8Q+?
- 1...Sxe8
- 2.Bh6#
- 1...Se5
- 2.Rxe5#
- 2.Qxe5#
- 1...Se7
- 2.Re5#
- 2.Qdxe7#
- 2.Qexe7#
- 1...Bxe8!
- 1...Sxe8
- 1.e8R+?
- 1...Sxe8
- 2.Bh6#
- 1...Se5
- 2.Rhxe5#
- 2.Rexe5#
- 1...Se7
- 2.Re5#
- 2.Rxe7#
- 2.Qxe7#
- 1...Bxe8!
- 1...Sxe8
- 1.Qxd6?
- Keys
- 1.Qxc7!
- threat
- 2.Sxd6#
- 1...Qxf6+
- 2.Sxf6#
- 1...Sxf7
- 2.Bc5#
- 1...Sf5
- 2.Sfg5#
- 1...Rd4
- 2.Bh6#
- 1...Sc4
- 2.Qxc6#
- 1...Sb5
- 2.Bc5#
- 1...Sb7
- 2.Bc5#
- 1...Sc8
- 2.Bc5#
- 1...Se8
- 2.Bc5#
- threat
- 1.Qxc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 7
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- Q(j);CHECK,XP(G)::S(J),XQ(j)
- R(c);SBLOCK::R(A)+B(D)
- S(g);OGATE::QAR1(K)
- S(g);::R(A)+B(D)
- S(g);SBLOCK::S(J)
- S(g);XS(I)::R(A)+B(D)
- S(h);N_GUARD::R1(E)
- S(h);N_GUARD::R1(E),XS(h)
- P(i);N_GUARD,XP(F)::S(I),XS(g)
- Tries
- Try
- Q(K);XS(g)
- Threat
- DUALS(4)
- Vars
- P(i);XQ(K)::S(I),XP(i)
- R(c);N_GUARD::QAR1(K)
- Refutation
- R(a);
- Try
- P(F);XP(i)
- Threat
- S(I),XS(g)
- Vars
- Q(j);CHECK,XP(G)::S(J),XQ(j)
- S(g);XS(I)::R(A)+B(D)
- R(c);SBLOCK::R(A)+B(D)
- S(g);OGATE::QAR1(K)
- S(g);::R(A)+B(D)
- S(g);SBLOCK::S(J)
- Refutation
- B(e);XP(F)
- Try
- P(H);CHECK
- Vars
- S(g);XQ(H)::R(A)+B(D)
- Refutation
- B(f);XQ(H)
- Try
- P(H);CHECK
- Vars
- S(g);XR(H)::R(A)+B(D)
- Refutation
- B(f);XR(H)
- Try
- Actual
- Q(K);XP(i)
- Threat
- S(I),XS(g)
- Vars
- Q(j);CHECK,XP(G)::S(J),XQ(j)
- S(g);XS(I)::R(A)+B(D)
- S(g);SBLOCK::S(I)
- R(c);SBLOCK::R(A)+B(D)
- S(g);S_CUTR(a)::QAB(K),XB(f)
- S(g);::R(A)+B(D)
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