MESON Chess Problem Database
Problem Display
PID: 272252 (7n/4p3/Q6p/2KpN2N/3pkP2/3R3B/3R2p1/4bb2 w - - 0 1)
Simoni, Francesco
3rd HM., L'Italia Scacchistica, 1983
#2
8 + 9
| 15601 | Albrecht-Leiss-Degener Collection | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Be2
- 2.Rxe2#
- 1...Bxd3
- 2.Qxd3#
- 1...Sg6
- 2.Qxg6#
- 1...Sf7
- 2.Qg6#
- 1...Be2
- Tries
- 1.Sf3?
- threat
- 2.Qe6#
- 1...Bxd2
- 2.Sxd2#
- 1...Bxd3
- 2.Qxd3#
- 1...Sg6
- 2.Qxg6#
- 1...Sf7
- 2.Qg6#
- 1...e6
- 2.Qxe6#
- 1...e5!
- threat
- 1.Sc4?
- threat
- 2.Qe6#
- 1...Bxd2
- 2.Sxd2#
- 1...Sg6
- 2.Qxg6#
- 1...Sf7
- 2.Qg6#
- 1...e5
- 2.Sd6#
- 1...e6
- 2.Sd6#
- 2.Qxe6#
- 1...Bxd3!
- threat
- 1.Sg6?
- threat
- 2.Qe6#
- 1...Bxd2
- 2.Sg3#
- 1...Bxd3
- 2.Qxd3#
- 1...Sxg6
- 2.Qxg6#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 2.Qxe6#
- 1...Sf7!
- threat
- 1.Sd7?
- threat
- 2.Qe6#
- 1...Bxd3
- 2.Qxd3#
- 1...Sg6
- 2.Qxg6#
- 1...Sf7
- 2.Qg6#
- 1...e5
- 2.Sdf6#
- 1...e6
- 2.Sdf6#
- 2.Qxe6#
- 1...Bxd2!
- threat
- 1.Sf7?
- threat
- 2.Qe6#
- 1...Bxd3
- 2.Qxd3#
- 1...Sxf7
- 2.Qg6#
- 1...Sg6
- 2.Qxg6#
- 1...e5
- 2.Sd6#
- 1...e6
- 2.Sd6#
- 2.Qxe6#
- 1...Bxd2!
- threat
- 1.Re3+?
- 1...dxe3
- 2.Rd4#
- 1...Kxe3!
- 1...dxe3
- 1.Qc4?
- threat
- 2.Qxd5#
- 2.Qxd4#
- 1...Bxd3
- 2.Qxd3#
- 2.Qxd4#
- 1...g1Q
- 2.Qxd5#
- 1...g1B
- 2.Qxd5#
- 1...Bf2
- 2.Qxd5#
- 1...e6
- 2.Qxd4#
- 1...dxc4!
- threat
- 1.Qe6?
- threat
- 2.Sf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sd7#
- 2.Sf7#
- 2.Bf5#
- 2.Qxd5#
- 2.Qf5#
- 1...Bxd2
- 2.Bf5#
- 2.Qxd5#
- 2.Qf5#
- 1...Sg6
- 2.Sxg6#
- 2.Bf5#
- 2.Qxd5#
- 2.Qf5#
- 2.Qxg6#
- 1...Sf7
- 2.Sxf7#
- 2.Bf5#
- 2.Qxd5#
- 2.Qf5#
- 2.Qg6#
- 1...Bxd3!
- threat
- 1.Sf3?
- Keys
- 1.Sg4!
- threat
- 2.Qe6#
- 1...Kf5
- 2.Sf2#
- 1...Bxd2
- 2.Sf2#
- 1...Bxd3
- 2.Qxd3#
- 1...Sg6
- 2.Qxg6#
- 1...Sf7
- 2.Qg6#
- 1...e5
- 2.Sgf6#
- 1...e6
- 2.Sgf6#
- 2.Qxe6#
- threat
- 1.Sg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- B(b);N_GUARD::R(A),XB(b)
- B(b);OGATE,XR(B)::QAB1(H),XB(b)
- S(i);N_GUARD::QAB(H),XS(i)
- S(i);N_GUARD::QAB(H)
- Tries
- Try
- S(F);
- Threat
- QAR2(H)
- Vars
- B(a);XR(A)::S(F),XB(a)
- B(b);OGATE,XR(B)::QAB1(H),XB(b)
- S(i);N_GUARD::QAB(H),XS(i)
- S(i);N_GUARD::QAB(H)
- P(h);::QAR2(H),XP(h)
- Refutation
- P(h);
- Try
- S(F);
- Threat
- QAR2(H)
- Vars
- B(a);XR(A)::S(F),XB(a)
- S(i);N_GUARD::QAB(H),XS(i)
- S(i);N_GUARD::QAB(H)
- P(h);N_GUARD::S(F)
- Refutation
- B(b);XR(B)
- Try
- S(F);
- Threat
- QAR2(H)
- Vars
- B(a);N_GUARD,XR(A)::S(G)
- B(b);OGATE,XR(B)::QAB1(H),XB(b)
- S(i);OGATE,XS(F)::QAB(H),XS(i)
- P(h);N_GUARD::S(G)
- Refutation
- S(i);
- Try
- S(F);
- Threat
- QAR2(H)
- Vars
- B(b);OGATE,XR(B)::QAB1(H),XB(b)
- S(i);N_GUARD::QAB(H),XS(i)
- S(i);N_GUARD::QAB(H)
- P(h);N_GUARD::S(F)
- Refutation
- B(a);XR(A)
- Try
- S(F);
- Threat
- QAR2(H)
- Vars
- B(b);OGATE,XR(B)::QAB1(H),XB(b)
- S(i);N_GUARD,XS(F)::QAB(H)
- S(i);N_GUARD::QAB(H),XS(i)
- P(h);N_GUARD::S(F)
- Refutation
- B(a);XR(A)
- Try
- R(B);CHECK
- Vars
- P(d);SBLOCK,XR(B)::R1(A)
- Refutation
- K(e);P-FLIGHT,XR(B)
- Try
- Q(H);P_PINP(d)
- Threat
- DUALS(2)
- Vars
- P(c);::QAB1(H),XP(f)
- B(a);::QAB1(H),XP(f)
- P(h);::QAR1(H),XP(d)
- Refutation
- P(f);N_SPINP(d),XQ(H)
- Try
- Q(H);
- Threat
- DUALS(10)
- Refutation
- B(b);XR(B)
- Try
- Actual
- S(F);
- Threat
- QAR2(H)
- Vars
- K(e);S_CUTB(a),S_FLIGHT::B(C)+S(F)
- B(a);N_GUARD,XR(A)::S(F)
- B(b);OGATE,XR(B)::QAB1(H),XB(b)
- S(i);N_GUARD::QAB(H),XS(i)
- S(i);N_GUARD::QAB(H)
- P(h);N_GUARD::S(F)
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