MESON Chess Problem Database
Problem Display
PID: 28742 (8/4Q3/p1p1BPp1/K1R2rN1/pPbk1Pq1/r4RN1/nP2P3/8 w - - 0 1)
Stocchi, Ottavio
1st Prize, Vejle Socialdemokrat, 1935
#2
12 + 10
| 3100 | Selected Stocchi (I) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Rxc5+
- 2.Qxc5#
- 1...Rxf6
- 2.Rxc4#
- 2.Qxf6#
- 1...Bxe2
- 2.Sxe2#
- 1...Bb3
- 2.Rd3#
- 1...Bd3
- 2.e3#
- 1...Bxe6
- 2.Sxe6#
- 1...Rxc5+
- Tries
- 1.Sxf5+?
- 1...gxf5
- 2.Rxc4#
- 1...Qxf5!
- 1...gxf5
- 1.Bxc4?
- threat
- 2.Se6#
- 2.Qe4#
- 1...Rxc5+
- 2.Qxc5#
- 1...Qxg3
- 2.Qe4#
- 1...Qxf4
- 2.Se6#
- 1...Qxg5
- 2.Qe4#
- 1...Rxf3
- 2.Qe4#
- 1...Rxf4
- 2.Qd6#
- 2.Qe5#
- 1...Rxg5
- 2.Qe4#
- 1...Rxf6
- 2.Qxf6#
- 2.Qe4#
- 2.Qe5#
- 1...Sxb4
- 2.Se6#
- 1...Re3
- 2.Qxe3#
- 1...Rd5
- 2.Qe4#
- 1...Re5
- 2.Qxe5#
- 1...Sc3
- 2.Se6#
- 2.Rd3#
- 2.Qe3#
- 2.e3#
- 1...Qxf3!
- threat
- 1.Bxf5?
- threat
- 2.Qe4#
- 2.Qe5#
- 1...Qxf3
- 2.Qe5#
- 1...Qxf4
- 2.Rxf4#
- 1...Sxb4
- 2.Qe5#
- 1...gxf5
- 2.Qe5#
- 1...Re3
- 2.Qxe3#
- 1...Bd3
- 2.Se6#
- 2.Qd6#
- 2.Qd8#
- 2.Qe3#
- 2.Qe5#
- 2.Qd7#
- 2.e3#
- 1...Bd5
- 2.Qe5#
- 1...Be6
- 2.Sxe6#
- 1...Sc3
- 2.Qe3#
- 2.Qe5#
- 2.e3#
- 1...Qxf5!
- threat
- 1.Rd5+?
- 1...Bxd5
- 2.Qc5#
- 1...cxd5
- 2.Qc5#
- 2.Qa7#
- 1...Rxd5+!
- 1...Bxd5
- 1.Re5?
- threat
- 2.Qc5#
- 1...c5
- 2.Re4#
- 2.Qxc5#
- 1...Rxe5+!
- threat
- 1.Rxf5?
- threat
- 2.Qc5#
- 1...c5
- 2.Qxc5#
- 1...Qxf5+!
- threat
- 1.Sxf5+?
- Keys
- 1.Qa7!
- threat
- 2.Rd5#
- 1...Rxc5+
- 2.Qxc5#
- 1...Bxe2
- 2.Sxe2#
- 1...Bxe6
- 2.Sxe6#
- 1...Rd5
- 2.Rxd5#
- 1...Bb3
- 2.Rd3#
- 1...Bd3
- 2.e3#
- 1...Bb5
- 2.Rc4#
- 1...Bd5
- 2.Rxc6#
- threat
- 1.Qa7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(g);CHECK,OGATE,XR(H)::QAB1(L),XR(g)
- B(d);XP(B)::S(D),XB(d)
- B(d);N_GUARD,S_CUTR(b)::R1(C)
- B(d);SBLOCK,S_CUTR(b)::P(B)
- B(d);XB(J)::S(I),XB(d)
- Tries
- Try
- S(D);CHECK,N_SPINR(H),XR(g)
- Vars
- P(j);XS(D)::R1(H),XB(d)
- Refutation
- Q(f);P_PINR(H),XS(D)
- Try
- B(J);XB(d)
- Threat
- DUALS(2)
- Vars
- R(g);CHECK,OGATE,XR(H)::QAB1(L),XR(g)
- Q(f);XS(D)::QAR1(L)
- Q(f);XP(F)::S(I)
- Q(f);XS(I)::QAR1(L)
- R(b);XR(C)::QAR1(L)
- R(g);XS(I)::QAR1(L)
- S(a);XP(E)::S(I)
- R(b);N_GUARD::QAB1(L),XR(b)
- R(g);::QAR1(L)
- R(g);N_GUARD::QAB1(L),XR(g)
- Refutation
- Q(f);XR(C)
- Try
- B(J);N_SPINR(H),XR(g)
- Threat
- DUALS(2)
- Vars
- Q(f);XR(C)::QAB1(L)
- Q(f);OGATE,XP(F)::R(C),XQ(f)
- S(a);XP(E)::QAB1(L)
- P(j);XB(J)::QAB1(L)
- R(b);N_GUARD::QAB1(L),XR(b)
- B(d);::QAB1(L)
- B(d);N_GUARD::S(I),XB(d)
- Refutation
- Q(f);P_PINR(H),XB(J)
- Try
- R(H);CHECK
- Vars
- B(d);XR(H)::QAB1(L)
- Refutation
- R(g);CHECK,XR(H)
- Try
- R(H);
- Threat
- QAB1(L)
- Refutation
- R(g);CHECK,XR(H)
- Try
- R(H);N_SPINR(H),XR(g)
- Threat
- QAB1(L)
- Vars
- P(i);::QAB1(L),XP(i)
- Refutation
- Q(f);CHECK,XR(H)
- Try
- Actual
- Q(L);
- Threat
- QAB(L)+R(H),DCHECK
- Vars
- R(g);CHECK,OGATE,P_SPINR(g),XR(H)::QAB1(L),XR(g)
- B(d);XP(B)::S(D),XB(d)
- B(d);XB(J)::S(I),XB(d)
- R(g);::QAB(L)+R(H),DCHECK,XR(g)
- B(d);N_GUARD,S_CUTR(b)::R1(C)
- B(d);SBLOCK,S_CUTR(b)::P(B)
- B(d);N_PINR(H)::QAB(L)+R(H),DCHECK
- B(d);N_PINR(H)::QAB(L)+R(H),XP(i)
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