MESON Chess Problem Database
Problem Display
PID: 272236 (8/4R1b1/2br1pp1/K1N1Rprn/2p2kpN/1pp3p1/5P2/n2Q4 w - - 0 1)
Simoni, Francesco
3rd HM., L'Italia Scacchistica, 1990
#2
7 + 15
| 15601 | Albrecht-Leiss-Degener Collection | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Rd5
- 2.Sg2#
- 1...Bg2
- 2.Sxg2#
- 1...Ba4
- 2.Sg2#
- 1...Bb5
- 2.Sg2#
- 1...Bd5
- 2.Qc1#
- 1...Bd7
- 2.Sg2#
- 1...Be8
- 2.Sg2#
- 1...Rd5
- Tries
- 1.Re2?
- threat
- 2.Qxd6#
- 1...Rxd1
- 2.Se6#
- 1...Rd2
- 2.Se6#
- 1...Rd3
- 2.Se6#
- 1...Rd4
- 2.Se6#
- 1...Re6
- 2.Sxe6#
- 1...Rd7
- 2.Se6#
- 1...Rd8
- 2.Se6#
- 1...Bd5
- 2.Qc1#
- 1...Rd5!
- threat
- 1.Re3?
- threat
- 2.Qxd6#
- 1...Rxd1
- 2.Se6#
- 1...Rd2
- 2.Se6#
- 1...Rd3
- 2.Se6#
- 1...Rd4
- 2.Se6#
- 1...Rd5
- 2.Sg2#
- 1...Re6
- 2.Sxe6#
- 1...Rd7
- 2.Se6#
- 1...Rd8
- 2.Se6#
- 1...Bd5!
- threat
- 1.Re4+?
- 1...Bxe4
- 2.Qxd6#
- 1...fxe4!
- 1...Bxe4
- 1.Rd5?
- threat
- 2.Sg2#
- 2.Qc1#
- 2.Qd4#
- 1...Rxd5
- 2.Sg2#
- 1...Bxd5
- 2.Qc1#
- 1...Re6
- 2.Sg2#
- 1...Sc2
- 2.Sg2#
- 1...b2
- 2.Sg2#
- 2.Qd4#
- 1...g2
- 2.Sxg2#
- 2.Qc1#
- 2.Qd4#
- 1...gxf2!
- threat
- 1.Rxf5+?
- 1...gxf5
- 2.Qxd6#
- 1...Rxf5!
- 1...gxf5
- 1.Qe2?
- threat
- 2.Qe3#
- 1...Rd3
- 2.Se6#
- 1...Sc2!
- threat
- 1.Qe1?
- threat
- 2.Qe3#
- 1...Rd3
- 2.Se6#
- 1...Sc2!
- threat
- 1.Qd4+?
- 1...Be4
- 2.Qe3#
- 1...Rxd4!
- 1...Be4
- 1.Qxd6?
- threat
- 2.Se6#
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re4#
- 2.Rd5#
- 2.Rxf5#
- 2.R5e6#
- 1...gxf2
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re4#
- 2.Rd5#
- 2.Rxf5#
- 2.R5e6#
- 1...Be4
- 2.Se6#
- 2.Rxe4#
- 2.Rd5#
- 2.Rxf5#
- 2.R5e6#
- 1...Bd5
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re4#
- 2.Rxd5#
- 2.Rxf5#
- 2.R5e6#
- 1...Bd7
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re4#
- 2.Rd5#
- 2.Rxf5#
- 2.R5e6#
- 2.Qd4#
- 1...fxe5!
- threat
- 1.Re2?
- Keys
- 1.Re1!
- threat
- 2.Qxd6#
- 1...Rxd1
- 2.Se6#
- 1...Rd2
- 2.Se6#
- 1...Rd3
- 2.Se6#
- 1...Rd4
- 2.Se6#
- 1...Rd5
- 2.Sg2#
- 1...Re6
- 2.Sxe6#
- 1...Rd7
- 2.Se6#
- 1...Rd8
- 2.Se6#
- 1...Bd5
- 2.Qc1#
- threat
- 1.Re1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 5
- Sets
- R(l);P_PINS(E),S_CUTB(k)::S(C)
- B(k);N_GUARD::S(C),XB(k)
- B(k);N_GUARD::S(C)
- B(k);S_CUTR(l)::QAB(A)
- Tries
- Try
- R(F);
- Threat
- QAB(A),XR(l)
- Vars
- R(l);N_GUARD,XQ(A)::S(E)
- R(l);N_GUARD::S(E)
- R(l);N_GUARD::S(E),XR(l)
- B(k);S_CUTR(l)::QAB(A)
- Refutation
- R(l);P_PINS(E)
- Try
- R(F);
- Threat
- QAB(A),XR(l)
- Vars
- R(l);N_GUARD,XQ(A)::S(E)
- R(l);N_GUARD::S(E)
- R(l);P_PINS(E),S_CUTB(k)::S(C)
- R(l);N_GUARD::S(E),XR(l)
- Refutation
- B(k);
- Try
- R(F);CHECK
- Vars
- B(k);XR(F)::QAB(A),XR(l)
- Refutation
- P(h);P_PINS(E),XR(F)
- Try
- R(F);
- Threat
- DUALS(3)
- Vars
- R(l);P_PINS(E),XR(F)::S(C)
- B(k);XR(F)::QAB(A)
- R(l);::S(C)
- S(a);::S(C)
- Refutation
- P(d);XP(B)
- Try
- R(F);CHECK,XP(h)
- Vars
- P(n);XR(F)::QAB(A),XR(l)
- Refutation
- R(i);P_PINS(E),XR(F)
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- R(l);N_GUARD::S(E)
- Refutation
- S(a);
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- R(l);N_GUARD::S(E)
- Refutation
- S(a);
- Try
- Q(A);CHECK
- Vars
- B(k);P_SPINB(k)::QAB1(A)
- Refutation
- R(l);XQ(A)
- Try
- Q(A);XR(l)
- Threat
- DUALS(8)
- Refutation
- P(m);P_SPINP(m),XR(F)
- Try
- Actual
- R(F);
- Threat
- QAB(A),XR(l)
- Vars
- R(l);N_GUARD,XQ(A)::S(E)
- R(l);N_GUARD::S(E)
- R(l);P_PINS(E),S_CUTB(k)::S(C)
- R(l);N_GUARD::S(E),XR(l)
- B(k);S_CUTR(l)::QAB(A)
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