MESON Chess Problem Database
Problem Display
PID: 60420 (2rbR3/8/1rn1Q2K/1q1p1Bpb/3kN3/B2Pp3/1P6/2R1N3 w - - 0 1)
Haring, Jacobus
3/4 Prize, Tidskrift for Schack, 1970
#2
10 + 10
| 3751 | FIDE Album (1968-1970) | 1977 |
SOLUTION
- SOUND
- Sets
- 1...Qxd3
- 2.Bc5#
- 1...Qa4
- 2.Bc5#
- 1...Qa6
- 2.Bc5#
- 1...Qxb2
- 2.Bc5#
- 1...Qb3
- 2.Bc5#
- 1...Qc5
- 2.Bxc5#
- 1...dxe4
- 2.Qxe4#
- 1...Qxd3
- Tries
- 1.Sf3+?
- 1...Kxd3
- 2.Sg3#
- 1...Bxf3!
- 1...Kxd3
- 1.Sc3?
- threat
- 2.Sc2#
- 2.Qxe3#
- 1...Qxd3
- 2.Qxd5#
- 1...Qxb2
- 2.Qxd5#
- 2.Qxe3#
- 1...Bxe8
- 2.Sc2#
- 2.Sf3#
- 2.Se2#
- 1...Qb4
- 2.Qxd5#
- 2.Qxe3#
- 1...Sa5
- 2.Sc2#
- 1...Qa4
- 2.Qxd5#
- 2.Qxe3#
- 1...Qb3
- 2.Qxe3#
- 1...Bd1
- 2.Qxe3#
- 1...Be7
- 2.Sc2#
- 1...Se5
- 2.Sc2#
- 1...Sa7
- 2.Sc2#
- 1...Se7
- 2.Sc2#
- 1...Sb8
- 2.Sc2#
- 1...e2
- 2.Sc2#
- 2.Qe3#
- 1...Sb4!
- threat
- 1.Sc5?
- threat
- 2.Sc2#
- 2.Qxe3#
- 1...Qxb2
- 2.Qxe3#
- 1...Qxc5
- 2.Bxc5#
- 2.Qxe3#
- 1...Bxe8
- 2.Sc2#
- 2.Sf3#
- 1...Sa5
- 2.Sc2#
- 1...Qa4
- 2.Qxe3#
- 1...Qc4
- 2.Qxe3#
- 1...Qb3
- 2.Qxe3#
- 1...Qb4
- 2.Qxe3#
- 1...Bd1
- 2.Qxe3#
- 1...Be7
- 2.Sc2#
- 1...Sb4
- 2.Sb3#
- 1...Se5
- 2.Sc2#
- 1...Sa7
- 2.Sc2#
- 1...Se7
- 2.Sc2#
- 1...Sb8
- 2.Sc2#
- 1...e2
- 2.Sc2#
- 2.Qe3#
- 1...Qxd3!
- threat
- 1.Sf6?
- threat
- 2.Sc2#
- 2.Qxe3#
- 1...Qxd3
- 2.Bc5#
- 2.Qxd5#
- 1...Qxb2
- 2.Bc5#
- 2.Qxd5#
- 2.Qxe3#
- 1...Bxe8
- 2.Sc2#
- 2.Sf3#
- 1...Sa5
- 2.Qxe3#
- 2.Qe5#
- 1...Qa4
- 2.Bc5#
- 2.Qxd5#
- 2.Qxe3#
- 1...Qc4
- 2.Qxe3#
- 1...Qb3
- 2.Bc5#
- 2.Qxe3#
- 1...Qb4
- 2.Qxd5#
- 2.Qxe3#
- 1...Qc5
- 2.Bxc5#
- 2.Qxe3#
- 1...Bd1
- 2.Qxe3#
- 1...Be7
- 2.Sc2#
- 1...Sb4
- 2.Qxe3#
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sa7
- 2.Qxe3#
- 2.Qe5#
- 1...Sb8
- 2.Qxe3#
- 2.Qe5#
- 1...e2
- 2.Sc2#
- 2.Qe3#
- 1...Se7!
- threat
- 1.Sf3+?
- Keys
- 1.Sd6!
- threat
- 2.Sc2#
- 2.Qxe3#
- 1...Qxd3
- 2.Bc5#
- 1...Qxb2
- 2.Bc5#
- 2.Qxe3#
- 1...Bxe8
- 2.Sc2#
- 2.Sf3#
- 1...Sa5
- 2.Qxe3#
- 2.Qe5#
- 1...Qa4
- 2.Bc5#
- 2.Qxe3#
- 1...Qc4
- 2.Qxe3#
- 1...Qb3
- 2.Bc5#
- 2.Qxe3#
- 1...Qb4
- 2.Qxe3#
- 1...Qc5
- 2.Bxc5#
- 2.Qxe3#
- 1...Bd1
- 2.Qxe3#
- 1...Be7
- 2.Sc2#
- 1...Sb4
- 2.Qxe3#
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sa7
- 2.Qxe3#
- 2.Qe5#
- 1...Se7
- 2.Qf6#
- 1...Sb8
- 2.Qxe3#
- 2.Qe5#
- 1...e2
- 2.Sc2#
- 2.Qe3#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 6
- Sets
- Q(c);N_GUARD,XP(E)::B(D)
- Q(c);N_GUARD::B(D)
- Q(c);N_GUARD,XP(C)::B(D)
- Q(c);N_GUARD::B(D),XQ(c)
- P(d);OGATE,XS(F)::QAR1(H),XP(d)
- Tries
- Try
- S(B);CHECK
- Vars
- K(b);P-FLIGHT,XP(E)::B(G)+S(F)
- Refutation
- B(f);XS(B)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(c);N_GUARD,XP(E)::QAR1(H),XP(d)
- S(h);P_PINQ(H)::S(B)
- Q(c);::QAB1(H),XP(a)
- B(f);::QAB1(H),XP(a)
- B(j);::S(B)
- Refutation
- S(h);P_PINQ(H)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(c);XP(C)::QAB1(H),XP(a)
- S(h);P_PINQ(H)::S(B)
- Q(c);::QAB1(H),XP(a)
- B(f);::QAB1(H),XP(a)
- B(j);::S(B)
- S(h);P_PINQ(H),S_CUTQ(c)::S(F)
- Refutation
- Q(c);XP(E)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(c);::QAB1(H),XP(a)
- B(f);::QAB1(H),XP(a)
- B(j);::S(B)
- S(h);N_GUARD::QAB1(H),XS(h)
- Refutation
- S(h);
- Try
- Actual
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(c);N_GUARD,XP(E)::B(D)
- Q(c);::QAB1(H),XP(a)
- B(f);::QAB1(H),XP(a)
- B(j);::S(B)
- S(h);N_GUARD::QAB1(H),XS(h)
- S(h);N_GUARD,S_CUTB(j)::QAB(H)
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