MESON Chess Problem Database
Problem Display
PID: 85384 (nRN1B3/K2p3q/2k1P1p1/BpN3br/3P4/4p3/Qn6/1r6 w - - 0 1)
Koehler, Uwe
Muller, Dieter
Mat 05. TT, 1977
#2
9 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qg8
- 2.Bxd7#
- 1...Qh6
- 2.Bxd7#
- 1...Qh8
- 2.Bxd7#
- 1...Be7
- 2.Bxd7#
- 1...Sd1
- 2.Qg2#
- 1...Sd3
- 2.Qg2#
- 1...Sa4
- 2.Qg2#
- 1...Sc4
- 2.Qg2#
- 1...Sc7
- 2.Rb6#
- 1...Qg8
- Tries
- 1.Sd3?
- threat
- 2.Sb4#
- 2.Se5#
- 2.d5#
- 1...Sxd3
- 2.Qg2#
- 1...Sc4
- 2.Qg2#
- 1...Qe7
- 2.Se5#
- 2.d5#
- 1...Qg7
- 2.Sb4#
- 2.d5#
- 1...Qh8
- 2.Sb4#
- 2.Bxd7#
- 2.d5#
- 1...Bf4
- 2.Sb4#
- 1...Bh4
- 2.Sb4#
- 1...Bf6
- 2.Sb4#
- 1...Bh6
- 2.Sb4#
- 1...Be7
- 2.Bxd7#
- 1...Bd8
- 2.Sb4#
- 1...Sd1
- 2.Se5#
- 2.Qg2#
- 2.d5#
- 1...Sa4
- 2.Se5#
- 2.Qg2#
- 2.d5#
- 1...Sc7
- 2.Sb4#
- 2.Se5#
- 2.Rb6#
- 1...b4
- 2.Sxb4#
- 2.Se5#
- 2.d5#
- 1...Sb6!
- threat
- 1.Sd3?
- Keys
- 1.Sa6!
- threat
- 2.Sb4#
- 2.d5#
- 1...Sc4
- 2.Qg2#
- 1...Qe7
- 2.d5#
- 1...Rd1
- 2.Sb4#
- 1...Bf4
- 2.Sb4#
- 1...Bh4
- 2.Sb4#
- 1...Bf6
- 2.Sb4#
- 1...Bh6
- 2.Sb4#
- 1...Be7
- 2.Bxd7#
- 1...Bd8
- 2.Sb4#
- 1...Sd1
- 2.Qg2#
- 2.d5#
- 1...Sd3
- 2.Qg2#
- 2.d5#
- 1...Sa4
- 2.Qg2#
- 2.d5#
- 1...Sb6
- 2.Rxb6#
- 1...Sc7
- 2.Sb4#
- 2.Rb6#
- 1...b4
- 2.Sxb4#
- 2.d5#
- threat
- 1.Sa6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 7
- Sets
- Q(j);N_GUARD::B(I),XP(i)
- B(e);S_CUTQ(j)::B(I),XP(i)
- S(b);OGATE::QAB(A)
- S(k);N_GUARD,SBLOCK::R1(G)
- Tries
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- S(b);OGATE,XS(D)::QAB(A)
- S(b);OGATE::QAB(A)
- B(e);::S(D)
- B(e);S_CUTQ(j)::B(I),XP(i)
- Refutation
- S(k);
- Try
- Actual
- S(D);
- Threat
- DUALS(2)
- Vars
- S(b);OGATE::QAB(A)
- Q(j);::P(B)
- R(a);::S(D)
- B(e);::S(D)
- B(e);S_CUTQ(j)::B(I),XP(i)
- S(k);N_GUARD::R1(G),XS(k)
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