MESON Chess Problem Database
Problem Display
PID: 176268 (B3R1RB/5p2/4N3/2p2k1p/2p2p1r/1pKN2bn/5p1n/3Q4 w - - 0 1)
List, Reto
Schach-Echo, 1980
#2
8 + 12
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sg1
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...cxd3
- 2.Qxd3#
- 1...fxe6
- 2.Ref8#
- 1...Sg1
- Tries
- 1.Sb2?
- threat
- 2.Qb1#
- 2.Qd5#
- 1...fxe6
- 2.Ref8#
- 2.Qb1#
- 1...f6
- 2.Qd5#
- 1...f1Q
- 2.Qd5#
- 1...f1B
- 2.Qd5#
- 1...f1R
- 2.Qd5#
- 1...Sf3
- 2.Qb1#
- 1...Sg4
- 2.Qb1#
- 1...Sg5
- 2.Rxg5#
- 1...f3!
- threat
- 1.Sxf2?
- threat
- 2.Be4#
- 2.Qb1#
- 2.Qd5#
- 1...Bxf2
- 2.Qb1#
- 2.Qd5#
- 1...Sxf2
- 2.Rg5#
- 2.Qd5#
- 1...fxe6
- 2.Be4#
- 2.Ref8#
- 2.Qb1#
- 1...f6
- 2.Qd5#
- 1...Sf3
- 2.Be4#
- 2.Qb1#
- 1...Sg4
- 2.Be4#
- 2.Qb1#
- 1...Sg5
- 2.Rxg5#
- 2.Qd5#
- 1...f3!
- threat
- 1.Sdxc5?
- threat
- 2.Sd4#
- 2.Be4#
- 2.Qb1#
- 2.Qd5#
- 1...fxe6
- 2.Be4#
- 2.Ref8#
- 2.Qb1#
- 1...f6
- 2.Sd4#
- 2.Qd5#
- 1...f1Q
- 2.Sd4#
- 2.Be4#
- 2.Qd5#
- 1...f1B
- 2.Sd4#
- 2.Be4#
- 2.Qd5#
- 1...f1R
- 2.Sd4#
- 2.Be4#
- 2.Qd5#
- 1...Sf3
- 2.Be4#
- 2.Qb1#
- 1...Sg4
- 2.Sd4#
- 2.Be4#
- 2.Qb1#
- 1...Sg5
- 2.Sd4#
- 2.Rxg5#
- 1...f3!
- threat
- 1.Sexf4?
- threat
- 2.Be4#
- 2.Re5#
- 1...Rxf4
- 2.Re5#
- 1...Bxf4
- 2.Be4#
- 1...Sf3
- 2.Be4#
- 1...Sg4
- 2.Be4#
- 1...Sg5
- 2.Re5#
- 1...f6
- 2.Be4#
- 1...cxd3!
- threat
- 1.Sexc5?
- threat
- 2.Be4#
- 2.Re5#
- 1...Sf3
- 2.Be4#
- 1...Sg4
- 2.Be4#
- 1...Sg5
- 2.Re5#
- 1...f6
- 2.Be4#
- 1...f3!
- threat
- 1.Sc7?
- threat
- 2.Be4#
- 2.Re5#
- 1...Sf3
- 2.Be4#
- 1...Sg4
- 2.Be4#
- 1...Sg5
- 2.Re5#
- 1...f6
- 2.Be4#
- 1...f3!
- threat
- 1.Sd8?
- threat
- 2.Be4#
- 2.Re5#
- 1...Sf3
- 2.Be4#
- 1...Sg4
- 2.Be4#
- 1...Sg5
- 2.Re5#
- 1...f6
- 2.Be4#
- 1...f3!
- threat
- 1.Sf8?
- threat
- 2.Be4#
- 2.Re5#
- 1...Sf3
- 2.Be4#
- 1...Sg4
- 2.Be4#
- 1...Sg5
- 2.Re5#
- 1...f6
- 2.Be4#
- 1...f3!
- threat
- 1.Qe2?
- threat
- 2.Be4#
- 2.Qe4#
- 2.Qe5#
- 1...Sf3
- 2.Be4#
- 2.Qe4#
- 1...Sg4
- 2.Be4#
- 2.Qe4#
- 1...Sg5
- 2.Rxg5#
- 1...f6
- 2.Be4#
- 2.Qe4#
- 1...f3!
- threat
- 1.Qf3?
- threat
- 2.Be4#
- 2.Qe4#
- 2.Qd5#
- 1...fxe6
- 2.Be4#
- 2.Ref8#
- 2.Qe4#
- 1...Sg4
- 2.Be4#
- 2.Qe4#
- 1...Sg5
- 2.Rxg5#
- 1...Sxf3!
- threat
- 1.Qxh5+?
- 1...Sg5
- 2.Rxg5#
- 2.Qxg5#
- 1...Rxh5!
- 1...Sg5
- 1.Sb2?
- Keys
- 1.Sdxf4!
- threat
- 2.Qb1#
- 2.Qd5#
- 1...Rxf4
- 2.Qd5#
- 1...Bxf4
- 2.Qb1#
- 1...Sxf4
- 2.Rg5#
- 1...fxe6
- 2.Ref8#
- 1...f6
- 2.Qd5#
- 1...f1Q
- 2.Qd5#
- 1...f1B
- 2.Qd5#
- 1...f1R
- 2.Qd5#
- 1...Sf3
- 2.Qb1#
- 1...Sg4
- 2.Qb1#
- 1...Sg5
- 2.Rxg5#
- threat
- 1.Sdxf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 2
- Sets
- S(e);N_GUARD::R1(G)
- S(e);N_GUARD::R1(G),XS(e)
- P(f);OGATE,XS(C)::QAB(A),XP(f)
- P(l);OGATEB,SBLOCK,XS(D)::R(F)
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- P(l);::QAR2(A)
- P(a);::QAR2(A)
- S(b);::QAB(A)
- S(e);N_GUARD::R1(G),XS(e)
- Refutation
- P(g);
- Try
- S(C);XP(a)
- Threat
- DUALS(3)
- Vars
- P(l);::QAR2(A)
- Refutation
- P(g);
- Try
- S(C);XP(i)
- Threat
- DUALS(4)
- Refutation
- P(g);
- Try
- S(D);XP(g)
- Threat
- DUALS(2)
- Vars
- R(h);XS(D)::R1(F)
- B(d);XS(D)::B(E)
- S(b);::B(E)
- S(e);::R1(F)
- P(l);::B(E)
- Refutation
- P(f);XS(C)
- Try
- S(D);XP(i)
- Threat
- DUALS(2)
- Vars
- S(b);::B(E)
- S(e);::R1(F)
- P(l);::B(E)
- Refutation
- P(g);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(b);::B(E)
- S(e);::R1(F)
- P(l);::B(E)
- Refutation
- P(g);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(b);::B(E)
- S(e);::R1(F)
- P(l);::B(E)
- Refutation
- P(g);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(b);::B(E)
- S(e);::R1(F)
- P(l);::B(E)
- Refutation
- P(g);
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- S(e);N_GUARD::R1(G),XS(e)
- Refutation
- P(g);
- Try
- Q(A);P_PINP(g)
- Threat
- DUALS(3)
- Vars
- S(e);N_GUARD::R1(G),XS(e)
- Refutation
- S(b);N_SPINP(g),XQ(A)
- Try
- Q(A);CHECK,XP(k)
- Refutation
- R(h);XQ(A)
- Try
- Actual
- S(C);XP(g)
- Threat
- DUALS(2)
- Vars
- R(h);XS(C)::QAR2(A)
- B(d);XS(C)::QAB(A)
- S(e);N_GUARD,XS(C)::R1(G)
- P(l);OGATEB,XS(D)::R(F)
- P(l);::QAR2(A)
- P(a);::QAR2(A)
- S(b);::QAB(A)
- S(e);N_GUARD::R1(G),XS(e)
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