MESON Chess Problem Database
Problem Display
PID: 261385 (3bNRB1/5b2/3p3n/3n1k1P/RBQ3p1/1K3N2/4P3/8 w - - 0 1)
Machler, Emil
Neue Zurcher Zeitung, 1995
#2
10 + 7
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Sc3
- 2.Bh7#
- 1...Se3
- 2.Bh7#
- 1...Sxb4
- 2.Bh7#
- 1...Sf4
- 2.e4#
- 1...Sb6
- 2.Bh7#
- 1...Sf6
- 2.Sxd6#
- 2.Sg7#
- 1...Sc7
- 2.Bh7#
- 1...Sc3
- Tries
- 1.Bd2?
- threat
- 2.Qxd5#
- 2.Qe4#
- 2.Qc8#
- 1...gxf3
- 2.Qxd5#
- 2.Qe4#
- 1...Bf6
- 2.Qe4#
- 1...Bc7
- 2.Qxd5#
- 2.Qe4#
- 1...Sc3
- 2.Bh7#
- 1...Se3
- 2.Bh7#
- 1...Sb4
- 2.Bh7#
- 2.e4#
- 1...Sf4
- 2.e4#
- 1...Sb6
- 2.Bh7#
- 2.e4#
- 1...Sf6
- 2.Sxd6#
- 2.Sg7#
- 1...Sc7
- 2.Bh7#
- 2.e4#
- 1...Se7
- 2.e4#
- 1...Ke6!
- threat
- 1.Bc3?
- threat
- 2.Sg7#
- 2.Qxd5#
- 2.Qe4#
- 2.Qc8#
- 1...Sxc3
- 2.Bh7#
- 1...gxf3
- 2.Qxd5#
- 1...Se7
- 2.Sxd6#
- 2.Sg7#
- 1...Bf6
- 2.Qe4#
- 1...Bc7
- 2.Sg7#
- 2.Qxd5#
- 2.Qe4#
- 1...Se3
- 2.Sxd6#
- 2.Sg7#
- 2.Bh7#
- 1...Sb4
- 2.Sxd6#
- 2.Sg7#
- 2.Bh7#
- 1...Sf4
- 2.Sxd6#
- 2.Sg7#
- 2.e4#
- 1...Sb6
- 2.Sxd6#
- 2.Sg7#
- 2.Bh7#
- 1...Sf6
- 2.Sxd6#
- 2.Sg7#
- 1...Sc7
- 2.Sxd6#
- 2.Sg7#
- 2.Bh7#
- 1...Ke6!
- threat
- 1.Rxf7+?
- 1...Ke6
- 2.Sg7#
- 2.Qe4#
- 2.Qc8#
- 1...Bf6
- 2.Sg7#
- 1...Sf6
- 2.Sxd6#
- 2.Sg7#
- 2.Bh7#
- 1...Sxf7!
- 1...Ke6
- 1.Qd3+?
- 1...Kf4
- 2.Bxd6#
- 1...Ke6!
- 1...Kf4
- 1.Bd2?
- Keys
- 1.Bxd6!
- threat
- 2.Qxd5#
- 2.Qe4#
- 2.Qc8#
- 1...Ke6
- 2.Qc8#
- 1...gxf3
- 2.Qxd5#
- 1...Se7
- 2.e4#
- 1...Bf6
- 2.Qe4#
- 1...Bc7
- 2.Qxd5#
- 2.Qe4#
- 1...Sc3
- 2.Bh7#
- 1...Se3
- 2.Bh7#
- 1...Sb4
- 2.Bh7#
- 2.e4#
- 1...Sf4
- 2.e4#
- 1...Sb6
- 2.Bh7#
- 2.e4#
- 1...Sf6
- 2.Sg7#
- 1...Sc7
- 2.Bh7#
- 2.e4#
- threat
- 1.Bxd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- S(b);P_PINQ(F)::B(J)
- S(b);P_PINQ(F),XB(E)::B(J)
- S(b);P_PINQ(F),SBLOCK::P(A)
- Tries
- Try
- B(E);
- Threat
- DUALS(3)
- Vars
- B(g);N_SPINB(f)::QAB1(F)
- S(b);P_PINQ(F)::B(J)
- S(b);P_PINQ(F)::P(A)
- Refutation
- K(c);P_SPINS(b),S_FLIGHT
- Try
- B(E);
- Threat
- DUALS(4)
- Vars
- S(b);P_PINQ(F),XB(E)::B(J)
- P(a);XS(C)::QAR2(F),XS(b)
- B(g);N_SPINB(f)::QAB1(F)
- Refutation
- K(c);P_SPINS(b),S_FLIGHT
- Try
- R(I);CHECK,XB(f)
- Vars
- B(g);P_SPINB(g)::S(H)
- Refutation
- S(e);XR(I)
- Try
- Q(F);CHECK
- Vars
- K(c);N_GUARD,P-FLIGHT::R(D)+B(E),DCHECK,XP(d)
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- B(E);XP(d)
- Threat
- DUALS(3)
- Vars
- K(c);P_SPINS(b),S_FLIGHT::QAB(F)
- P(a);XS(C)::QAR2(F),XS(b)
- S(b);P_PINQ(F)::P(A)
- B(g);N_SPINB(f)::QAB1(F)
- S(b);P_PINQ(F)::B(J)
- S(b);N_SPINB(f),P_PINQ(F),SBLOCK::S(H)
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