MESON Chess Problem Database
Problem Display
PID: 263683 (Q7/p7/r2p1K2/r2P2p1/bpNNkpPb/7R/2PRn1PB/8 w - - 0 1)
Simoni, Francesco
Problemas, 1990
#2
11 + 11
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...f3
- 2.gxf3#
- 1...f3
- Tries
- 1.Sb3?
- threat
- 2.Rxe2#
- 1...Bxb3
- 2.Qe8#
- 1...Rc6
- 2.Qe8#
- 1...Bc6
- 2.Sxd6#
- 1...Sc1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sc3
- 2.Rd4#
- 1...Sg3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...f3
- 2.gxf3#
- 1...Bf2!
- threat
- 1.Sf3?
- threat
- 2.Rxe2#
- 1...Bxc2
- 2.Qe8#
- 1...Bf2
- 2.Sxg5#
- 1...Rc6
- 2.Qe8#
- 1...Sc1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sc3
- 2.Rd4#
- 1...Sg3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Bc6!
- threat
- 1.Sb5?
- threat
- 2.Rxe2#
- 2.Qe8#
- 1...Rxb5
- 2.Qe8#
- 1...Bf2
- 2.Qe8#
- 1...Rc6
- 2.Qe8#
- 1...Sc1
- 2.Rd4#
- 2.Qe8#
- 1...Sg1
- 2.Rd4#
- 2.Qe8#
- 1...Sc3
- 2.Rd4#
- 2.Qe8#
- 1...Sg3
- 2.Rd4#
- 2.Qe8#
- 1...Sd4
- 2.Rxd4#
- 1...f3
- 2.Qe8#
- 2.gxf3#
- 1...Bxb5!
- threat
- 1.Sf5?
- threat
- 2.Rxe2#
- 1...Rc6
- 2.Qe8#
- 1...Bc6
- 2.Scxd6#
- 2.Sfxd6#
- 1...Sc1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sc3
- 2.Rd4#
- 1...Sg3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...f3
- 2.gxf3#
- 1...Bf2!
- threat
- 1.Se6?
- threat
- 2.Rxe2#
- 1...Bf2
- 2.Sxg5#
- 1...Bc6
- 2.Sxd6#
- 1...Sc1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sc3
- 2.Rd4#
- 1...Sg3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...f3
- 2.gxf3#
- 1...Rc6!
- threat
- 1.Sb3?
- Keys
- 1.Sc6!
- threat
- 2.Sxd6#
- 2.Qe8#
- 1...Rxd5
- 2.Rxe2#
- 1...Rxc6
- 2.Qe8#
- 1...Bxc6
- 2.Sxd6#
- 1...Sd4
- 2.Rxd4#
- 1...Bg3
- 2.Qe8#
- 1...Sg3
- 2.Rd4#
- 2.Qe8#
- 1...f3
- 2.Qe8#
- 2.gxf3#
- threat
- 1.Sc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- P(e);OGATE::P(C),XP(e)
- Tries
- Try
- S(G);
- Threat
- R(B),XS(a)
- Vars
- B(b);N_GUARD,XS(G)::QAR(K)
- R(i);S_CUTB(b)::QAR(K)
- B(b);S_CUTR(i)::S(F),XP(j)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- P(e);OGATE::P(C),XP(e)
- Refutation
- B(f);
- Try
- S(G);
- Threat
- R(B),XS(a)
- Vars
- B(b);N_GUARD,XP(A)::QAR(K)
- B(f);N_GUARD::S(G),XP(h)
- R(i);S_CUTB(b)::QAR(K)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- Refutation
- B(b);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(g);XS(G)::QAR(K)
- B(f);::QAR(K)
- R(i);::QAR(K)
- S(a);N_GUARD::R1(B),XS(a)
- Refutation
- B(b);XS(G)
- Try
- S(G);
- Threat
- R(B),XS(a)
- Vars
- R(i);S_CUTB(b)::QAR(K)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- P(e);OGATE::P(C),XP(e)
- Refutation
- B(f);
- Try
- S(G);
- Threat
- R(B),XS(a)
- Vars
- B(f);N_GUARD::S(G),XP(h)
- B(b);S_CUTR(i)::S(F),XP(j)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- P(e);OGATE::P(C),XP(e)
- Refutation
- R(i);
- Try
- Actual
- S(G);
- Threat
- DUALS(2)
- Vars
- R(g);SBLOCK,XP(I)::R(B),XS(a)
- R(i);XS(G)::QAR(K)
- B(b);XS(G)::S(F),XP(j)
- S(a);N_GUARD::R1(B),XS(a)
- B(f);::QAR(K)
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