MESON Chess Problem Database
Problem Display
PID: 139099 (K1R5/p1B2n2/4Rp2/1Nnk1P2/2pP3q/r6r/4Q1N1/1b6 w - - 0 1)
Schonholzer, Andreas
1st Prize, Schweizerische Arbeiter Schachzeitung, 1972
#2
9 + 10
| 102 | Probleemblad | 1974 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Sf4#
- 1...Qf4
- 2.Sxf4#
- 1...Qh5
- 2.Sf4#
- 1...Qh7
- 2.Sf4#
- 1...Qh8
- 2.Sf4#
- 1...Sxe6
- 2.Qxe6#
- 1...Se5
- 2.Rd6#
- 1...Sg5
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sh6
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...Sh8
- 2.Rd6#
- 1...Qe1
- Tries
- 1.Bh2?
- threat
- 2.Rxc5#
- 1...Qxd4
- 2.Sc7#
- 1...Sxe6
- 2.Qxe6#
- 1...Qh8
- 2.Sf4#
- 1...Sb3
- 2.Qxc4#
- 1...Sa4
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sa6
- 2.Qxc4#
- 1...Sb7
- 2.Qxc4#
- 1...Sd7
- 2.Qxc4#
- 1...Sd3!
- threat
- 1.Bf4?
- threat
- 2.Rxc5#
- 1...Sxe6
- 2.Qxe6#
- 1...Sb3
- 2.Qxc4#
- 1...Sd3
- 2.Qe4#
- 1...Sa4
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sa6
- 2.Qxc4#
- 1...Sb7
- 2.Qxc4#
- 1...Sd7
- 2.Qxc4#
- 1...Qh8!
- threat
- 1.Ba5?
- threat
- 2.Rxc5#
- 1...Qxd4
- 2.Sc7#
- 1...Sxe6
- 2.Qxe6#
- 1...Qh8
- 2.Sf4#
- 1...Sb3
- 2.Qxc4#
- 1...Sa4
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sa6
- 2.Qxc4#
- 1...Sb7
- 2.Qxc4#
- 1...Sd7
- 2.Qxc4#
- 1...Sd3!
- threat
- 1.Bb6?
- threat
- 2.Rxc5#
- 1...Qxd4
- 2.Sc7#
- 1...Sxe6
- 2.Qxe6#
- 1...Sd3
- 2.Sc7#
- 1...Qh8
- 2.Sf4#
- 1...Sb3
- 2.Sc7#
- 2.Qxc4#
- 1...Sa4
- 2.Sc7#
- 2.Qxc4#
- 1...Se4
- 2.Sc7#
- 2.Qxc4#
- 1...Sa6
- 2.Qxc4#
- 1...Sb7
- 2.Sc7#
- 2.Qxc4#
- 1...Sd7
- 2.Sc7#
- 2.Qxc4#
- 1...axb6+!
- threat
- 1.Bb8?
- threat
- 2.Rxc5#
- 1...Qxd4
- 2.Sc7#
- 1...Sxe6
- 2.Qxe6#
- 1...Sb3
- 2.Qxc4#
- 1...Sa4
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sa6
- 2.Qxc4#
- 1...Sb7
- 2.Qxc4#
- 1...Sd7
- 2.Qxc4#
- 1...Sd3!
- threat
- 1.Bd8?
- threat
- 2.Rxc5#
- 1...Qxd4
- 2.Sc7#
- 1...Sxe6
- 2.Qxe6#
- 1...Sb3
- 2.Qxc4#
- 1...Sa4
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sa6
- 2.Qxc4#
- 1...Sb7
- 2.Qxc4#
- 1...Sd7
- 2.Qxc4#
- 1...Sd3!
- threat
- 1.Rd8+?
- 1...Sd6
- 2.Rexd6#
- 2.Rdxd6#
- 1...Sxd8
- 2.Rd6#
- 1...Sd7!
- 1...Sd6
- 1.Bh2?
- Keys
- 1.Bg3!
- threat
- 2.Rxc5#
- 1...Qxd4
- 2.Sc7#
- 1...Sxe6
- 2.Qxe6#
- 1...Qh8
- 2.Sf4#
- 1...Sb3
- 2.Se3#
- 2.Qxc4#
- 1...Sd3
- 2.Se3#
- 1...Sa4
- 2.Qxc4#
- 1...Se4
- 2.Qxc4#
- 1...Sa6
- 2.Qxc4#
- 1...Sb7
- 2.Qxc4#
- 1...Sd7
- 2.Qxc4#
- threat
- 1.Bg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 10
- Sets
- Q(e);N_GUARD::S(B)
- Q(e);N_GUARD::S(B),XQ(e)
- Q(e);N_GUARD,P_PINR(I)::S(B)
- S(f);OGATE,XR(F)::QAB1(A),XS(f)
- S(j);N_GUARD::R1(F)
- S(j);N_GUARD::R1(F),XS(j)
- Tries
- Try
- B(G);
- Threat
- R1(I),XS(f)
- Vars
- Q(e);SBLOCK,XP(C)::S(D)
- S(f);OGATE,XR(F)::QAB1(A),XS(f)
- Q(e);N_GUARD,P_PINR(I)::S(B)
- S(f);::QAB1(A),XP(d)
- Refutation
- S(f);
- Try
- B(G);
- Threat
- R1(I),XS(f)
- Vars
- S(f);OGATE,XR(F)::QAB1(A),XS(f)
- S(f);::QAB1(A),XP(d)
- S(f);N_GUARD,S_CUTB(a)::QAB1(A)
- Refutation
- Q(e);P_PINR(I)
- Try
- B(G);
- Threat
- R1(I),XS(f)
- Vars
- Q(e);SBLOCK,XP(C)::S(D)
- S(f);OGATE,XR(F)::QAB1(A),XS(f)
- Q(e);N_GUARD,P_PINR(I)::S(B)
- S(f);::QAB1(A),XP(d)
- Refutation
- S(f);
- Try
- B(G);
- Threat
- R1(I),XS(f)
- Vars
- Q(e);SBLOCK,XP(C)::S(D)
- S(f);OGATE,XR(F)::QAB1(A),XS(f)
- S(f);::S(D)
- Q(e);N_GUARD,P_PINR(I)::S(B)
- S(f);::QAB1(A),XP(d)
- Refutation
- P(i);CHECK,XB(G)
- Try
- B(G);
- Threat
- R1(I),XS(f)
- Vars
- Q(e);SBLOCK,XP(C)::S(D)
- S(f);OGATE,XR(F)::QAB1(A),XS(f)
- S(f);::QAB1(A),XP(d)
- Refutation
- S(f);
- Try
- B(G);
- Threat
- R1(I),XS(f)
- Vars
- Q(e);SBLOCK,XP(C)::S(D)
- S(f);OGATE,XR(F)::QAB1(A),XS(f)
- S(f);::QAB1(A),XP(d)
- Refutation
- S(f);
- Try
- R(I);CHECK
- Vars
- S(j);N_GUARD,XR(I)::R1(F)
- Refutation
- S(f);P_SPINS(f)
- Try
- Actual
- B(G);
- Threat
- R1(I),XS(f)
- Vars
- Q(e);SBLOCK,XP(C)::S(D)
- S(f);OGATE,XR(F)::QAB1(A),XS(f)
- Q(e);N_GUARD,P_PINR(I)::S(B)
- S(f);S_CUTR(b)::S(B)
- S(f);::QAB1(A),XP(d)
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