MESON Chess Problem Database
Problem Display
PID: 65084 (1q6/2B2B1p/2PR2p1/4RNP1/2P1Nk1P/7P/2PP2P1/Qb2Kn2 w - - 0 1)
Prins, Hendrik
The Problemist, 1987
#2
16 + 6
| 5159 | FIDE Album (1986-1988) (Annexe) | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Se3
- 2.dxe3#
- 1...Se3
- Tries
- 1.Seg3?
- threat
- 2.Se2#
- 2.Re4#
- 2.Rd4#
- 2.Qd4#
- 1...Qxc7
- 2.Se2#
- 2.Re4#
- 2.Qd4#
- 1...Bxc2
- 2.Se2#
- 1...Sxd2
- 2.Se2#
- 1...gxf5
- 2.Se2#
- 2.Sh5#
- 1...Qb2
- 2.Re4#
- 1...Qa7
- 2.Se2#
- 2.Re4#
- 1...Qb6
- 2.Se2#
- 2.Re4#
- 1...Qd8
- 2.Se2#
- 2.Re4#
- 2.Qd4#
- 1...Qe8
- 2.Se2#
- 2.Rd4#
- 2.Qd4#
- 1...Sxg3!
- threat
- 1.Sc5?
- threat
- 2.Sd3#
- 2.Se6#
- 2.Rd4#
- 2.Qd4#
- 1...Qxc7
- 2.Sd3#
- 2.Se6#
- 2.Qd4#
- 1...Bxc2
- 2.Se6#
- 1...Sxd2
- 2.Sd3#
- 2.Se6#
- 1...Qb2
- 2.Sd3#
- 1...Qb3
- 2.Se6#
- 2.Rd4#
- 2.Qd4#
- 1...Qc8
- 2.Sd3#
- 2.Rd4#
- 2.Qd4#
- 1...Qd8
- 2.Sd3#
- 2.Se6#
- 2.Qd4#
- 1...Qe8
- 2.Sd3#
- 2.Rd4#
- 2.Qd4#
- 1...Sg3
- 2.Sd3#
- 2.Se6#
- 1...gxf5!
- threat
- 1.Sf6?
- threat
- 2.Sd5#
- 2.Rd4#
- 2.Qd4#
- 1...Qxc7
- 2.Sd5#
- 2.Qd4#
- 1...Bxc2
- 2.Sd5#
- 1...Sxd2
- 2.Sd5#
- 1...gxf5
- 2.Sh5#
- 1...Qa7
- 2.Sd5#
- 1...Qb5
- 2.Rd4#
- 2.Qd4#
- 1...Qb6
- 2.Sd5#
- 1...Qd8
- 2.Sd5#
- 2.Qd4#
- 1...Se3
- 2.Rd4#
- 2.Qd4#
- 2.dxe3#
- 1...Sg3
- 2.Sd5#
- 1...Qb2!
- threat
- 1.Se3?
- threat
- 2.Sd5#
- 2.Rf6#
- 1...Sxd2
- 2.Sd5#
- 1...Qb2
- 2.Rf6#
- 1...Qb5
- 2.Rf6#
- 1...Qc8
- 2.Sd5#
- 1...Qd8
- 2.Sd5#
- 1...Qh8
- 2.Sd5#
- 1...Sg3
- 2.Sd5#
- 1...Sxe3!
- threat
- 1.Sd4?
- threat
- 2.Se2#
- 2.Se6#
- 2.Rf6#
- 1...Kxe5
- 2.Re6#
- 1...Qxc7
- 2.Se2#
- 2.Se6#
- 1...Qb2
- 2.Rf6#
- 1...Qc8
- 2.Se2#
- 1...Qd8
- 2.Se2#
- 2.Se6#
- 1...Qe8
- 2.Se2#
- 2.Rf6#
- 1...Qh8
- 2.Se2#
- 2.Se6#
- 1...Se3
- 2.Se2#
- 2.Se6#
- 1...Sg3
- 2.Se6#
- 1...Sxd2!
- threat
- 1.Se7?
- threat
- 2.Sd5#
- 2.Rf6#
- 1...Sxd2
- 2.Sd5#
- 1...Qb2
- 2.Rf6#
- 1...Qb5
- 2.Rf6#
- 1...Qc8
- 2.Sd5#
- 1...Qh8
- 2.Sd5#
- 1...Sg3
- 2.Sd5#
- 1...Se3!
- threat
- 1.Rc5?
- threat
- 2.Qe5#
- 1...Kxe4
- 2.Rd4#
- 2.Re6#
- 2.Qd4#
- 2.Qe5#
- 1...Qb2
- 2.Rd4#
- 1...Qe8
- 2.Re6#
- 1...Qh8!
- threat
- 1.Re7?
- threat
- 2.Qe5#
- 1...Kxf5
- 2.Rd5#
- 2.Rf6#
- 2.Qe5#
- 2.Qf6#
- 1...Qh8
- 2.Rf6#
- 1...Qb5
- 2.Rd5#
- 1...Qb2!
- threat
- 1.Rd3?
- threat
- 2.Rf3#
- 1...Sxd2
- 2.g3#
- 1...Sh2
- 2.g3#
- 1...Se3
- 2.dxe3#
- 1...Qb3!
- threat
- 1.Seg3?
- Keys
- 1.Sc3!
- threat
- 2.Se2#
- 2.Sd5#
- 2.Rd4#
- 1...Kxe5
- 2.Rd5#
- 1...Qxc7
- 2.Se2#
- 2.Sd5#
- 1...Bxc2
- 2.Se2#
- 2.Sd5#
- 1...Sxd2
- 2.Se2#
- 2.Sd5#
- 1...gxf5
- 2.Se2#
- 1...Qa7
- 2.Se2#
- 2.Sd5#
- 1...Qb2
- 2.Rd4#
- 1...Qb5
- 2.Se2#
- 2.Rd4#
- 1...Qb6
- 2.Se2#
- 2.Sd5#
- 1...Qd8
- 2.Se2#
- 2.Sd5#
- 1...Se3
- 2.Se2#
- 2.Rd4#
- 1...Sg3
- 2.Sd5#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- S(b);OGATE::P(D),XS(b)
- Tries
- Try
- S(H);
- Threat
- DUALS(4)
- Vars
- B(a);XP(C)::S(H)
- S(b);XP(D)::S(H)
- Q(f);::R1(J)
- Refutation
- S(b);XS(H)
- Try
- S(H);
- Threat
- DUALS(4)
- Vars
- B(a);XP(C)::S(H)
- Q(f);::S(H)
- Refutation
- P(d);XS(K)
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- B(a);XP(C)::S(H)
- S(b);XP(D)::S(H)
- P(d);N_GUARD,XS(K)::S(H)
- Q(f);::S(H)
- S(b);::S(H)
- Refutation
- Q(f);
- Try
- S(K);
- Threat
- DUALS(2)
- Vars
- S(b);XP(D)::S(K)
- Q(f);::R(N)
- Q(f);::S(K)
- S(b);::S(K)
- Refutation
- S(b);XS(K)
- Try
- S(K);
- Threat
- DUALS(3)
- Vars
- K(c);OGATEB,S_FLIGHT,XR(J)::B(O)+R(N),DCHECK
- Q(f);::R(N)
- Q(f);::S(K)
- S(b);::S(K)
- Refutation
- S(b);XP(D)
- Try
- S(K);
- Threat
- DUALS(2)
- Vars
- S(b);XP(D)::S(K)
- Q(f);::R(N)
- Q(f);::S(K)
- S(b);::S(K)
- Refutation
- S(b);
- Try
- R(J);
- Threat
- QAB1(A)
- Vars
- Q(f);N_GUARD::B(O)+R(N)
- Q(f);N_GUARD,P_PINS(H)::B(O)+R(N)
- Refutation
- Q(f);
- Try
- R(J);
- Threat
- QAB1(A)
- Vars
- Q(f);N_GUARD::B(O)+R(N)
- Refutation
- Q(f);
- Try
- R(N);
- Threat
- R1(N)
- Vars
- S(b);N_GUARD,XP(D)::P(E)
- S(b);N_GUARD::P(E)
- S(b);OGATE::P(D),XS(b)
- Refutation
- Q(f);
- Try
- Actual
- S(H);
- Threat
- DUALS(3)
- Vars
- K(c);OGATEB,S_FLIGHT,XR(J)::B(O)+R(N),DCHECK
- P(d);XS(K)::S(H)
- Q(f);::R(N)
- S(b);::S(H)
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