MESON Chess Problem Database
Problem Display
PID: 17764 (6b1/2p2n1p/2N4P/1PPQpB2/1p1pPB2/bRrk4/1p6/1K4N1 w - - 0 1)
Stocchi, Ottavio
1st Prize, Magyar Sakkvilag (Changed Mates), 1948
#2
11 + 11
| 3100 | Selected Stocchi (I) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Rxb3
- 2.Qxb3#
- 1...Sg5
- 2.Sxe5#
- 1...Sd6
- 2.Sxe5#
- 1...Sxh6
- 2.Sxe5#
- 1...Sd8
- 2.Sxe5#
- 1...Sh8
- 2.Sxe5#
- 1...exf4
- 2.Qxd4#
- 1...Rxb3
- Tries
- 1.Bxe5?
- threat
- 2.Qxd4#
- 1...Ke3
- 2.Qxd4#
- 1...Kd2!
- threat
- 1.Bg5?
- 1...Rxb3
- 2.Qxb3#
- 1...Sxh6
- 2.Sxe5#
- 1...Sd6
- 2.Sxe5#
- 1...Sd8
- 2.Sxe5#
- 1...Sh8
- 2.Sxe5#
- 1...Sxg5!
- 1...Rxb3
- 1.Bh3?
- threat
- 2.Bf1#
- 1...exf4
- 2.Qxd4#
- 1...Rxb3!
- threat
- 1.Bg4?
- threat
- 2.Be2#
- 1...exf4
- 2.Qxd4#
- 1...Rxb3!
- threat
- 1.Be6?
- 1...Sxh6
- 2.Sxe5#
- 1...exf4
- 2.Qxd4#
- 1...Sg5
- 2.Sxe5#
- 1...Sd6
- 2.Sxe5#
- 1...Sd8
- 2.Sxe5#
- 1...Sh8
- 2.Sxe5#
- 1...Rxb3!
- 1...Sxh6
- 1.Bg6?
- 1...Rxb3
- 2.Qxb3#
- 1...Sxh6
- 2.Sxe5#
- 1...exf4
- 2.Qxd4#
- 1...Sg5
- 2.Sxe5#
- 1...Sd6
- 2.Sxe5#
- 1...Sd8
- 2.Sxe5#
- 1...Sh8
- 2.Sxe5#
- 1...hxg6!
- 1...Rxb3
- 1.Bd7?
- 1...Sxh6
- 2.Sxe5#
- 1...exf4
- 2.Qxd4#
- 1...Sg5
- 2.Sxe5#
- 1...Sd6
- 2.Sxe5#
- 1...Sd8
- 2.Sxe5#
- 1...Sh8
- 2.Sxe5#
- 1...Rxb3!
- 1...Sxh6
- 1.Bxh7?
- 1...Rxb3
- 2.Qxb3#
- 1...Sxh6
- 2.Sxe5#
- 1...exf4
- 2.Qxd4#
- 1...Sg5
- 2.Sxe5#
- 1...Sd6
- 2.Sxe5#
- 1...Sd8
- 2.Sxe5#
- 1...Sh8
- 2.Sxe5#
- 1...Bxh7!
- 1...Rxb3
- 1.Bc8?
- 1...Sxh6
- 2.Sxe5#
- 1...exf4
- 2.Qxd4#
- 1...Sg5
- 2.Sxe5#
- 1...Sd6
- 2.Sxe5#
- 1...Sd8
- 2.Sxe5#
- 1...Sh8
- 2.Sxe5#
- 1...Rxb3!
- 1...Sxh6
- 1.Rxa3?
- threat
- 2.Sxb4#
- 1...bxa3
- 2.Sb4#
- 1...exf4
- 2.Qxd4#
- 1...Rb3
- 2.Rxb3#
- 2.Qxb3#
- 1...b3
- 2.Sb4#
- 1...Rxa3!
- threat
- 1.Qe6?
- 1...Rxb3
- 2.Qxb3#
- 1...Sxh6
- 2.Sxe5#
- 1...Sg5
- 2.Sxe5#
- 1...Sd6
- 2.Sxe5#
- 1...Sd8
- 2.Sxe5#
- 1...Sh8
- 2.Sxe5#
- 1...exf4!
- 1...Rxb3
- 1.Qxe5?
- threat
- 2.Qxd4#
- 1...Sxe5
- 2.Sxe5#
- 1...Kc4!
- threat
- 1.b6?
- 1...Rxb3
- 2.Qxb3#
- 1...Sxh6
- 2.Sxe5#
- 1...exf4
- 2.Qxd4#
- 1...Sg5
- 2.Sxe5#
- 1...Sd6
- 2.Sxe5#
- 1...Sd8
- 2.Sxe5#
- 1...Sh8
- 2.Sxe5#
- 1...cxb6!
- 1...Rxb3
- 1.Bxe5?
- Keys
- 1.Sxd4!
- threat
- 2.Sc2#
- 2.Sde2#
- 2.Sdf3#
- 2.Sc6#
- 2.Se6#
- 1...Rxb3
- 2.Sde2#
- 1...Sxh6
- 2.Se6#
- 1...exd4
- 2.e5#
- 1...exf4
- 2.Sc2#
- 1...Sg5
- 2.Se6#
- 1...Sd6
- 2.Se6#
- 1...Sd8
- 2.Se6#
- 1...Sh8
- 2.Se6#
- 1...c6
- 2.Sxc6#
- threat
- 1.Sxd4!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 7
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(c);N_SPINR(c),OGATE,XR(C)::QAR2(H),XR(c)
- S(i);N_GUARD::S(J),XP(g)
- S(i);N_GUARD,XP(K)::S(J),XP(g)
- P(g);N_GUARD,XB(E)::QAR1(H),XP(f)
- Tries
- Try
- B(E);XP(g)
- Threat
- QAR1(H),XP(f)
- Vars
- K(d);N_SPINP(f),P-FLIGHT::QAB1(H),XP(f)
- Refutation
- K(d);N_SPINR(c),P-FLIGHT
- Try
- B(E);
- Vars
- R(c);N_SPINR(c),OGATE,XR(C)::QAR2(H),XR(c)
- S(i);N_GUARD,XP(K)::S(J),XP(g)
- S(i);N_GUARD::S(J),XP(g)
- Refutation
- S(i);XB(E)
- Try
- B(I);
- Threat
- B(I)
- Vars
- P(g);N_GUARD,XB(E)::QAR1(H),XP(f)
- Refutation
- R(c);N_SPINR(c),XR(C)
- Try
- B(I);
- Threat
- B(I)
- Vars
- P(g);N_GUARD,XB(E)::QAR1(H),XP(f)
- Refutation
- R(c);N_SPINR(c),XR(C)
- Try
- B(I);
- Vars
- S(i);N_GUARD,XP(K)::S(J),XP(g)
- P(g);N_GUARD,XB(E)::QAR1(H),XP(f)
- S(i);N_GUARD::S(J),XP(g)
- Refutation
- R(c);N_SPINR(c),XR(C)
- Try
- B(I);
- Vars
- R(c);N_SPINR(c),OGATE,XR(C)::QAR2(H),XR(c)
- S(i);N_GUARD,XP(K)::S(J),XP(g)
- P(g);N_GUARD,XB(E)::QAR1(H),XP(f)
- S(i);N_GUARD::S(J),XP(g)
- Refutation
- P(j);XB(I)
- Try
- B(I);
- Vars
- S(i);N_GUARD,XP(K)::S(J),XP(g)
- P(g);N_GUARD,XB(E)::QAR1(H),XP(f)
- S(i);N_GUARD::S(J),XP(g)
- Refutation
- R(c);N_SPINR(c),XR(C)
- Try
- B(I);XP(j)
- Vars
- R(c);N_SPINR(c),OGATE,XR(C)::QAR2(H),XR(c)
- S(i);N_GUARD,XP(K)::S(J),XP(g)
- P(g);N_GUARD,XB(E)::QAR1(H),XP(f)
- S(i);N_GUARD::S(J),XP(g)
- Refutation
- B(k);XB(I)
- Try
- B(I);
- Vars
- S(i);N_GUARD,XP(K)::S(J),XP(g)
- P(g);N_GUARD,XB(E)::QAR1(H),XP(f)
- S(i);N_GUARD::S(J),XP(g)
- Refutation
- R(c);N_SPINR(c),XR(C)
- Try
- R(C);XB(b)
- Threat
- S(J),XP(e)
- Vars
- P(e);N_SPINR(c),XR(C)::S(J)
- P(g);N_GUARD,XB(E)::QAR1(H),XP(f)
- P(e);N_SPINR(c)::S(J)
- Refutation
- R(c);N_SPINR(c),XR(C)
- Try
- Q(H);N_PINP(f)
- Vars
- R(c);N_SPINR(c),OGATE,XR(C)::QAR2(H),XR(c)
- S(i);N_GUARD,XP(K)::S(J),XP(g)
- S(i);N_GUARD::S(J),XP(g)
- Refutation
- P(g);XB(E)
- Try
- Q(H);N_PINP(f),XP(g)
- Threat
- QAR1(H),XP(f)
- Vars
- S(i);XQ(H)::S(J),XS(i)
- Refutation
- K(d);N_SPINR(c),S_FLIGHT
- Try
- P(F);
- Vars
- R(c);N_SPINR(c),OGATE,XR(C)::QAR2(H),XR(c)
- S(i);N_GUARD,XP(K)::S(J),XP(g)
- P(g);N_GUARD,XB(E)::QAR1(H),XP(f)
- S(i);N_GUARD::S(J),XP(g)
- Refutation
- P(h);XP(F)
- Try
- Actual
- S(J);XP(f)
- Threat
- DUALS(5)
- Vars
- R(c);N_SPINR(c),XR(C)::QAR(H)+S(J)
- S(i);XP(K)::QAR(H)+S(J)
- P(g);OGATE,P_SPINP(g),XS(J)::B(I)+P(D)
- P(g);XB(E)::QAR(H)+S(J)
- S(i);::QAR(H)+S(J)
- P(h);::QAR(H)+S(J),XP(h)
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