MESON Chess Problem Database
Problem Display
PID: 238715 (Kb5n/1p2r3/1B1p1R2/1b2kBP1/p6R/1p2Np2/3n1N2/q7 w - - 0 1)
Ellerman, Arnoldo
L'Italia Scacchistica, 1949
#2
8 + 12
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qd4
- 2.Bxd4#
- 1...Qb1
- 2.Bd4#
- 1...Qc1
- 2.Bd4#
- 1...Qd1
- 2.Bd4#
- 1...Qe1
- 2.Bd4#
- 1...Qf1
- 2.Bd4#
- 1...Qg1
- 2.Bd4#
- 1...Qh1
- 2.Bd4#
- 1...Qa2
- 2.Bd4#
- 1...Qa3
- 2.Bd4#
- 1...Re6
- 2.Rxe6#
- 1...Rc7
- 2.Re6#
- 1...Rd7
- 2.Re6#
- 1...Rf7
- 2.Re6#
- 1...Rg7
- 2.Re6#
- 1...Rh7
- 2.Re6#
- 1...Bd3
- 2.Sxd3#
- 1...Bc6
- 2.Sd3#
- 1...Bd7
- 2.Sd3#
- 1...Be8
- 2.Sd3#
- 1...Sb1
- 2.Re4#
- 1...Sf1
- 2.Re4#
- 1...Sc4
- 2.Sd3#
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...b2
- 2.Bd4#
- 1...Qd4
- Tries
- 1.Bc2?
- threat
- 2.Sfg4#
- 1...Qd4
- 2.Bxd4#
- 1...Qg1
- 2.Bd4#
- 1...Bd3
- 2.Sxd3#
- 1...Bd7
- 2.Sd3#
- 1...bxc2!
- threat
- 1.Bd3?
- threat
- 2.Sfg4#
- 1...Bxd3
- 2.Sxd3#
- 1...Qd4
- 2.Bxd4#
- 1...Qg1
- 2.Bd4#
- 1...Bd7!
- threat
- 1.Be4?
- threat
- 2.Seg4#
- 1...Sxe4
- 2.Sfg4#
- 2.Rxe4#
- 1...Bd7
- 2.Sd3#
- 1...Qg1!
- threat
- 1.Be6?
- threat
- 2.Seg4#
- 1...Rxe6
- 2.Rf5#
- 1...Qd4
- 2.Bxd4#
- 1...Qg1
- 2.Bd4#
- 1...d5!
- threat
- 1.Bg6?
- threat
- 2.Sfg4#
- 1...Qd4
- 2.Bxd4#
- 1...Qg1
- 2.Bd4#
- 1...Bd7
- 2.Sd3#
- 1...Sxg6!
- threat
- 1.Bd7?
- threat
- 2.Rf5#
- 1...Bxd7
- 2.Sd3#
- 1...Qb1
- 2.Bd4#
- 1...Rf7
- 2.Re6#
- 1...Bd3
- 2.Sxd3#
- 1...d5
- 2.Seg4#
- 1...Rxd7!
- threat
- 1.Bc8?
- threat
- 2.Rf5#
- 1...Qb1
- 2.Bd4#
- 1...Rf7
- 2.Re6#
- 1...Bd3
- 2.Sxd3#
- 1...Bd7
- 2.Sd3#
- 1...d5
- 2.Seg4#
- 1...Rd7!
- threat
- 1.Bc2?
- Keys
- 1.Bb1!
- threat
- 2.Sfg4#
- 1...Qxb1
- 2.Bd4#
- 1...Sxb1
- 2.Re4#
- 1...Qd4
- 2.Bxd4#
- 1...Bd3
- 2.Sxd3#
- 1...Bd7
- 2.Sd3#
- threat
- 1.Bb1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 19
- Sets
- Q(a);N_GUARD::B(F),XQ(a)
- Q(a);N_GUARD::B(F)
- R(j);N_GUARD::R1(G),XR(j)
- R(j);N_GUARD::R1(G)
- B(f);N_GUARD::S(A),XB(f)
- B(f);N_GUARD::S(A)
- S(b);N_GUARD::R1(C)
- S(b);N_GUARD::R1(C),XS(b)
- P(c);S_CUTQ(a)::B(F)
- Tries
- Try
- B(D);
- Threat
- S(A)
- Vars
- Q(a);N_GUARD::B(F),XQ(a)
- Q(a);N_GUARD::B(F)
- B(f);N_GUARD::S(A),XB(f)
- B(f);N_GUARD::S(A)
- Refutation
- P(c);XB(D)
- Try
- B(D);
- Threat
- S(A)
- Vars
- B(f);XB(D)::S(A),XB(f)
- Q(a);N_GUARD::B(F),XQ(a)
- Q(a);N_GUARD::B(F)
- Refutation
- B(f);
- Try
- B(D);
- Threat
- S(B)
- Vars
- B(f);N_GUARD::S(A)
- Refutation
- Q(a);
- Try
- B(D);
- Threat
- S(B)
- Vars
- R(j);SBLOCK,XB(D)::R1(G)
- Q(a);N_GUARD::B(F),XQ(a)
- Q(a);N_GUARD::B(F)
- Refutation
- P(h);
- Try
- B(D);
- Threat
- S(A)
- Vars
- Q(a);N_GUARD::B(F),XQ(a)
- Q(a);N_GUARD::B(F)
- B(f);N_GUARD::S(A)
- Refutation
- S(l);XB(D)
- Try
- B(D);
- Threat
- R1(G)
- Vars
- B(f);N_GUARD,XB(D)::S(A)
- Q(a);N_GUARD::B(F)
- R(j);N_GUARD::R1(G)
- B(f);N_GUARD::S(A),XB(f)
- P(h);SBLOCK::S(B)
- Refutation
- R(j);XB(D)
- Try
- B(D);
- Threat
- R1(G)
- Vars
- Q(a);N_GUARD::B(F)
- R(j);N_GUARD::R1(G)
- B(f);N_GUARD::S(A),XB(f)
- B(f);N_GUARD::S(A)
- P(h);SBLOCK::S(B)
- Refutation
- R(j);
- Try
- Actual
- B(D);
- Threat
- S(A)
- Vars
- Q(a);N_GUARD,XB(D)::B(F)
- S(b);N_GUARD,XB(D)::R1(C)
- Q(a);N_GUARD::B(F),XQ(a)
- B(f);N_GUARD::S(A),XB(f)
- B(f);N_GUARD::S(A)
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