MESON Chess Problem Database
Problem Display
PID: 141607 (4N3/KN6/pPk1P3/3r2q1/n1P5/p1pP2B1/rP6/1b5B w - - 0 1)
Popp, Willy
Die Schwalbe, 1969
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Bxd5#
- 1...Qd2
- 2.Bxd5#
- 1...Qe3
- 2.Bxd5#
- 1...Qf4
- 2.Bxd5#
- 1...Qh4
- 2.Bxd5#
- 1...Qf6
- 2.Bxd5#
- 1...Qh6
- 2.Bxd5#
- 1...Qe7
- 2.Bxd5#
- 1...Qxg3
- 2.Bxd5#
- 1...Qg4
- 2.Bxd5#
- 1...Qg6
- 2.Bxd5#
- 1...Qg7
- 2.Bxd5#
- 1...Qg8
- 2.Bxd5#
- 1...Sc5
- 2.Sa5#
- 1...Qc1
- Tries
- 1.Bf2?
- threat
- 2.Sa5#
- 1...Qe3
- 2.Bxd5#
- 1...Qe7
- 2.Bxd5#
- 1...Qg7
- 2.Bxd5#
- 1...a5
- 2.Sxa5#
- 1...Qg2!
- threat
- 1.b4?
- threat
- 2.Sa5#
- 1...Qe7
- 2.Bxd5#
- 1...Qg7
- 2.Bxd5#
- 1...a5
- 2.Sxa5#
- 2.b5#
- 1...Rg2!
- threat
- 1.d4?
- threat
- 2.Sa5#
- 1...Qe7
- 2.Bxd5#
- 1...Qg7
- 2.Bxd5#
- 1...a5
- 2.Sxa5#
- 1...Be4!
- threat
- 1.Bf2?
- Keys
- 1.Bd6!
- threat
- 2.Sa5#
- 1...Qe7
- 2.Bxd5#
- 1...Qg2
- 2.Sd8#
- 1...Qg7
- 2.Bxd5#
- 1...a5
- 2.Sxa5#
- threat
- 1.Bd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 12
- Sets
- Q(g);N_GUARD::B(A),XR(f)
- Q(g);N_GUARD,P_PINP(F)::B(A),XR(f)
- Q(g);N_GUARD,P_PINS(I)::B(A),XR(f)
- Q(g);N_GUARD,XB(D)::B(A),XR(f)
- S(e);SBLOCK::S(I)
- Tries
- Try
- B(D);
- Threat
- S(I)
- Vars
- Q(g);N_GUARD,P_PINP(F)::B(A),XR(f)
- Q(g);N_GUARD,P_PINS(I)::B(A),XR(f)
- P(h);::S(I),XP(h)
- Refutation
- Q(g);N_SPINR(f)
- Try
- P(B);
- Threat
- S(I)
- Vars
- Q(g);N_GUARD,P_PINS(I)::B(A),XR(f)
- Refutation
- R(b);N_SPINR(f)
- Try
- P(C);
- Threat
- S(I)
- Vars
- Q(g);N_GUARD,P_PINS(I)::B(A),XR(f)
- P(h);::S(I),XP(h)
- Refutation
- B(a);N_SPINR(f)
- Try
- Actual
- B(D);
- Threat
- S(I)
- Vars
- Q(g);N_GUARD,P_PINS(I)::B(A),XR(f)
- Q(g);N_GUARD,N_SPINR(f)::S(I)
- P(h);::S(I),XP(h)
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