MESON Chess Problem Database
Problem Display
PID: 29353 (1RB5/8/np1N4/k6p/1n5R/PP6/8/1K6 w - - 0 1)
Stocchi, Ottavio
4th HM., L'Italia Scacchistica, 1947
#2
7 + 5
| 3100 | Selected Stocchi (I) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Sa2
- 2.Ra4#
- 1...Sc2
- 2.Ra4#
- 1...Sd3
- 2.Ra4#
- 1...Sd5
- 2.Ra4#
- 1...Sc6
- 2.Ra4#
- 1...Sc5
- 2.axb4#
- 1...Sc7
- 2.axb4#
- 1...Sxb8
- 2.axb4#
- 1...b5
- 2.Rxb5#
- 1...Sa2
- Tries
- 1.Ka1?
- 1...Sxb8
- 2.axb4#
- 1...Sa2
- 2.Ra4#
- 1...Sd3
- 2.Ra4#
- 1...Sd5
- 2.Ra4#
- 1...Sc6
- 2.Ra4#
- 1...Sc5
- 2.axb4#
- 1...Sc7
- 2.axb4#
- 1...b5
- 2.Rxb5#
- 1...Sc2+!
- 1...Sxb8
- 1.Kb2?
- 1...Sxb8
- 2.axb4#
- 1...Sa2
- 2.Ra4#
- 1...Sc2
- 2.Ra4#
- 1...Sd5
- 2.Ra4#
- 1...Sc6
- 2.Ra4#
- 1...Sc5
- 2.axb4#
- 1...Sc7
- 2.axb4#
- 1...b5
- 2.Rxb5#
- 1...Sd3+!
- 1...Sxb8
- 1.Bxa6?
- 1...Kxa6
- 2.Ra8#
- 1...Sxa6
- 2.Ra4#
- 1...Sa2
- 2.Ra4#
- 1...Sc2
- 2.Ra4#
- 1...Sd3
- 2.Ra4#
- 1...Sd5
- 2.Ra4#
- 1...Sc6
- 2.Ra4#
- 1...b5!
- 1...Kxa6
- 1.Bb7?
- 1...Sxb8
- 2.axb4#
- 1...Sa2
- 2.Ra4#
- 1...Sc2
- 2.Ra4#
- 1...Sd3
- 2.Ra4#
- 1...Sd5
- 2.Ra4#
- 1...Sc6
- 2.Ra4#
- 1...Sc5
- 2.axb4#
- 1...Sc7
- 2.axb4#
- 1...b5!
- 1...Sxb8
- 1.Rxb4?
- threat
- 2.Sc4#
- 2.Sb7#
- 2.Ra4#
- 2.Rb5#
- 1...Sxb8
- 2.Sc4#
- 2.Ra4#
- 2.Rb5#
- 1...Sc5
- 2.Sc4#
- 2.Rb5#
- 1...Sc7
- 2.Sc4#
- 2.Ra4#
- 1...b5
- 2.R4xb5#
- 2.R8xb5#
- 1...Sxb4!
- threat
- 1.Rc4?
- 1...Sxb8
- 2.axb4#
- 1...Sa2
- 2.Ra4#
- 1...Sc2
- 2.Ra4#
- 1...Sd3
- 2.Ra4#
- 1...Sd5
- 2.Ra4#
- 1...Sc6
- 2.Ra4#
- 1...Sc5
- 2.axb4#
- 1...Sc7
- 2.axb4#
- 1...b5
- 2.Rxb5#
- 1...h4!
- 1...Sxb8
- 1.Rd4?
- 1...Sxb8
- 2.axb4#
- 1...Sa2
- 2.Ra4#
- 1...Sc2
- 2.Ra4#
- 1...Sd3
- 2.Ra4#
- 1...Sd5
- 2.Ra4#
- 1...Sc6
- 2.Ra4#
- 1...Sc5
- 2.axb4#
- 1...Sc7
- 2.axb4#
- 1...b5
- 2.Rxb5#
- 1...h4!
- 1...Sxb8
- 1.Re4?
- 1...Sxb8
- 2.axb4#
- 1...Sa2
- 2.Ra4#
- 1...Sc2
- 2.Ra4#
- 1...Sd3
- 2.Ra4#
- 1...Sd5
- 2.Ra4#
- 1...Sc6
- 2.Ra4#
- 1...Sc5
- 2.axb4#
- 1...Sc7
- 2.axb4#
- 1...b5
- 2.Rxb5#
- 1...h4!
- 1...Sxb8
- 1.Rf4?
- 1...Sxb8
- 2.axb4#
- 1...Sa2
- 2.Ra4#
- 1...Sc2
- 2.Ra4#
- 1...Sd3
- 2.Ra4#
- 1...Sd5
- 2.Ra4#
- 1...Sc6
- 2.Ra4#
- 1...Sc5
- 2.axb4#
- 1...Sc7
- 2.axb4#
- 1...b5
- 2.Rxb5#
- 1...h4!
- 1...Sxb8
- 1.Rxb6?
- threat
- 2.Sc4#
- 2.Rb5#
- 1...Sc7
- 2.Sc4#
- 1...Kxb6!
- threat
- 1.Ra8?
- threat
- 2.axb4#
- 1...Sa2
- 2.Ra4#
- 2.Rxa6#
- 1...Sc2
- 2.Ra4#
- 2.Rxa6#
- 1...Sd3
- 2.Ra4#
- 2.Rxa6#
- 1...Sd5
- 2.Ra4#
- 2.Rxa6#
- 1...Sc6
- 2.Ra4#
- 2.Rxa6#
- 1...b5!
- threat
- 1.Ka1?
- Keys
- 1.a4!
- threat
- 2.Sc4#
- 2.Sb7#
- 1...Sxb8
- 2.Sc4#
- 1...Sa2
- 2.Sb7#
- 1...Sc2
- 2.Sb7#
- 1...Sd3
- 2.Sb7#
- 1...Sd5
- 2.Sb7#
- 1...Sc6
- 2.Sb7#
- 1...Sc5
- 2.Sc4#
- 1...Sc7
- 2.Sc4#
- 1...b5
- 2.Rxb5#
- threat
- 1.a4!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 8
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);OGATE::R1(D)
- S(d);N_GUARD::P(B),XS(a)
- S(d);N_GUARD,XR(F)::P(B),XS(a)
- P(e);OGATE::R1(F),XP(e)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(d);N_GUARD,XR(F)::P(B),XS(a)
- S(a);OGATE::R1(D)
- S(d);N_GUARD::P(B),XS(a)
- P(e);OGATE::R1(F),XP(e)
- Refutation
- S(a);CHECK
- Try
- K(A);P-FLIGHT
- Vars
- S(d);N_GUARD,XR(F)::P(B),XS(a)
- S(a);OGATE::R1(D)
- S(d);N_GUARD::P(B),XS(a)
- P(e);OGATE::R1(F),XP(e)
- Refutation
- S(a);CHECK
- Try
- B(G);XS(d)
- Vars
- K(b);OGATEB,P-FLIGHT,XB(G)::R(F)
- S(a);OGATE,SBLOCK,XB(G)::R1(D)
- S(a);OGATE::R1(D)
- Refutation
- P(e);
- Try
- B(G);
- Vars
- S(d);N_GUARD,XR(F)::P(B),XS(a)
- S(a);OGATE::R1(D)
- S(d);N_GUARD::P(B),XS(a)
- Refutation
- P(e);
- Try
- R(D);XS(a)
- Threat
- DUALS(4)
- Refutation
- S(d);XR(D)
- Try
- R(D);
- Vars
- S(d);N_GUARD,XR(F)::P(B),XS(a)
- S(a);OGATE::R1(D)
- S(d);N_GUARD::P(B),XS(a)
- P(e);OGATE::R1(F),XP(e)
- Refutation
- P(c);
- Try
- R(D);
- Vars
- S(d);N_GUARD,XR(F)::P(B),XS(a)
- S(a);OGATE::R1(D)
- S(d);N_GUARD::P(B),XS(a)
- P(e);OGATE::R1(F),XP(e)
- Refutation
- P(c);
- Try
- R(D);
- Vars
- S(d);N_GUARD,XR(F)::P(B),XS(a)
- S(a);OGATE::R1(D)
- S(d);N_GUARD::P(B),XS(a)
- P(e);OGATE::R1(F),XP(e)
- Refutation
- P(c);
- Try
- R(D);
- Vars
- S(d);N_GUARD,XR(F)::P(B),XS(a)
- S(a);OGATE::R1(D)
- S(d);N_GUARD::P(B),XS(a)
- P(e);OGATE::R1(F),XP(e)
- Refutation
- P(c);
- Try
- R(F);XP(e)
- Threat
- DUALS(2)
- Vars
- S(d);::S(E)
- Refutation
- K(b);S_FLIGHT,XR(F)
- Try
- R(F);P_PINS(d)
- Threat
- P(B),XS(a)
- Refutation
- P(e);
- Try
- Actual
- P(B);
- Threat
- DUALS(2)
- Vars
- S(d);XR(F)::S(E)
- S(a);::S(E)
- S(d);::S(E)
- P(e);OGATE::R1(F),XP(e)
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