MESON Chess Problem Database
Problem Display
PID: 269767 (3b2r1/1r1p4/3Q1p2/7b/2pN4/P1k5/Pp3Rp1/nn2N1K1 w - - 0 1)
Simoni, Francesco
3rd Comm., L'Italia Scacchistica, 1977
#2
7 + 12
| 15601 | Albrecht-Leiss-Degener Collection | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Rb5
- 2.Sxb5#
- 1...Ra7
- 2.Sb5#
- 1...Rc7
- 2.Sb5#
- 1...Rg4
- 2.Se2#
- 1...Be2
- 2.Sxe2#
- 1...Bg6
- 2.Se2#
- 1...Bf7
- 2.Se2#
- 1...Be8
- 2.Se2#
- 1...Bb6
- 2.Sb5#
- 1...Sc2
- 2.Rxc2#
- 1...Sb3
- 2.Rc2#
- 1...Rb5
- Tries
- 1.Sdc2?
- threat
- 2.Qd4#
- 1...Sxc2
- 2.Rxc2#
- 1...Rg4
- 2.Rf3#
- 1...Bb6
- 2.Qb4#
- 1...Sb3!
- threat
- 1.Sb3?
- threat
- 2.Qd4#
- 1...Sxb3
- 2.Rc2#
- 1...Sxa3
- 2.Qd2#
- 1...cxb3
- 2.Qc5#
- 2.Qd3#
- 1...Rg4
- 2.Rf3#
- 1...Bb6
- 2.Qb4#
- 1...Sc2
- 2.Rxc2#
- 1...Rxb3!
- threat
- 1.Sdf3?
- threat
- 2.Qd4#
- 1...Bxf3
- 2.Rxf3#
- 1...Sxa3
- 2.Qd2#
- 1...Bb6
- 2.Qb4#
- 1...Sc2
- 2.Rxc2#
- 1...Sb3
- 2.Rc2#
- 1...Rg4!
- threat
- 1.Sc6?
- threat
- 2.Qd4#
- 1...Rg4
- 2.Rf3#
- 1...Bb6
- 2.Qb4#
- 1...Sc2
- 2.Rxc2#
- 1...Sb3
- 2.Rc2#
- 1...dxc6!
- threat
- 1.Se6?
- threat
- 2.Qd4#
- 1...Sxa3
- 2.Qd2#
- 1...Rg4
- 2.Rf3#
- 1...Bb6
- 2.Qb4#
- 1...Sc2
- 2.Rxc2#
- 1...Sb3
- 2.Rc2#
- 1...dxe6!
- threat
- 1.Sdc2?
- Keys
- 1.Sf5!
- threat
- 2.Qd4#
- 1...Sxa3
- 2.Qd2#
- 1...Rg4
- 2.Rf3#
- 1...Bb6
- 2.Qb4#
- 1...Sc2
- 2.Rxc2#
- 1...Sb3
- 2.Rc2#
- threat
- 1.Sf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- R(i);N_GUARD::S(F),XR(i)
- R(i);N_GUARD::S(F)
- R(l);S_CUTB(g)::S(F)
- B(g);N_GUARD::S(F),XB(g)
- B(g);N_GUARD::S(F)
- B(k);S_CUTR(i)::S(F)
- S(a);N_GUARD::R1(D),XS(a)
- S(a);N_GUARD::R1(D)
- Tries
- Try
- S(F);
- Threat
- QAB1(G)
- Vars
- S(a);OGATE,XS(F)::R1(D),XS(a)
- R(l);S_CUTB(g)::R(D)
- B(k);P_PINR(D),S_CUTR(i)::QAB1(G)
- Refutation
- S(a);
- Try
- S(F);
- Threat
- QAB1(G)
- Vars
- S(a);N_GUARD,XS(F)::R1(D)
- S(b);N_GUARD,XP(E)::QAB1(G)
- R(l);S_CUTB(g)::R(D)
- B(k);P_PINR(D),S_CUTR(i)::QAB1(G)
- S(a);N_GUARD::R1(D),XS(a)
- Refutation
- R(i);XS(F)
- Try
- S(F);
- Threat
- QAB1(G)
- Vars
- B(g);OGATE,XS(F)::R(D),XB(g)
- S(b);N_GUARD,XP(E)::QAB1(G)
- B(k);P_PINR(D),S_CUTR(i)::QAB1(G)
- S(a);N_GUARD::R1(D),XS(a)
- S(a);N_GUARD::R1(D)
- Refutation
- R(l);
- Try
- S(F);
- Threat
- QAB1(G)
- Vars
- R(l);S_CUTB(g)::R(D)
- B(k);P_PINR(D),S_CUTR(i)::QAB1(G)
- S(a);N_GUARD::R1(D),XS(a)
- S(a);N_GUARD::R1(D)
- Refutation
- P(j);XS(F)
- Try
- S(F);
- Threat
- QAB1(G)
- Vars
- S(b);N_GUARD,XP(E)::QAB1(G)
- R(l);S_CUTB(g)::R(D)
- B(k);P_PINR(D),S_CUTR(i)::QAB1(G)
- S(a);N_GUARD::R1(D),XS(a)
- S(a);N_GUARD::R1(D)
- Refutation
- P(j);XS(F)
- Try
- Actual
- S(F);
- Threat
- QAB1(G)
- Vars
- S(b);N_GUARD,XP(E)::QAB1(G)
- R(l);S_CUTB(g)::R(D)
- B(k);P_PINR(D),S_CUTR(i)::QAB1(G)
- S(a);N_GUARD::R1(D),XS(a)
- S(a);N_GUARD::R1(D)
Developed and maintained by Brian Stephenson.
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