MESON Chess Problem Database
Problem Display
PID: 61607 (3r4/q4p2/1pNn2R1/pPnk3r/7p/3P4/b2RQN2/6BK w - - 0 1)
Grasemann, Herbert
Latzel, Gerhard Paul
Magasinet, 1950
#2
9 + 11
| 45 | Schach | 1951 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Qxe5#
- 1...Rh6
- 2.Qe5#
- 1...Rh7
- 2.Qe5#
- 1...Rhh8
- 2.Qe5#
- 1...Bc4
- 2.dxc4#
- 1...Sc4
- 2.dxc4#
- 1...Se4
- 2.dxe4#
- 1...Sf5
- 2.Qe5#
- 1...f5
- 2.Qe5#
- 1...Re5
- Tries
- 1.Sd1?
- threat
- 2.Sc3#
- 2.Se3#
- 1...Sxd3
- 2.Qxd3#
- 1...Sxb5
- 2.Se3#
- 1...fxg6
- 2.Sc3#
- 1...Qe7
- 2.Sc3#
- 2.Sxe7#
- 1...Re5
- 2.Sc3#
- 2.Qxe5#
- 1...Re8
- 2.Sc3#
- 1...Sb3
- 2.Sc3#
- 1...Sce4
- 2.dxe4#
- 1...Sa6
- 2.Sc3#
- 1...Se6
- 2.Sc3#
- 1...Scb7
- 2.Sc3#
- 2.Se7#
- 1...Sd7
- 2.Sc3#
- 2.Se7#
- 1...Sc4
- 2.Sc3#
- 2.dxc4#
- 1...Sde4
- 2.Se3#
- 2.dxe4#
- 1...Sf5
- 2.Sc3#
- 2.Qe5#
- 1...f6
- 2.Sc3#
- 1...Sa4!
- threat
- 1.Se4?
- threat
- 2.Sc3#
- 2.Sf6#
- 1...Sxd3
- 2.Qxd3#
- 1...Scxe4
- 2.dxe4#
- 1...Sdxe4
- 2.dxe4#
- 1...f6
- 2.Sc3#
- 2.Sxf6#
- 1...Qe7
- 2.Sc3#
- 1...Re5
- 2.Sc3#
- 1...Rf5
- 2.Sc3#
- 1...Sa4
- 2.Sf6#
- 1...Sd7
- 2.Sc3#
- 2.Rxd6#
- 1...Sc4
- 2.Sc3#
- 2.dxc4#
- 1...Sf5
- 2.Sc3#
- 1...Sdb7
- 2.Sc3#
- 1...Sc8
- 2.Sc3#
- 1...Se8
- 2.Sc3#
- 1...Sxb5!
- threat
- 1.Sb4+?
- 1...Kd4
- 2.Sd1#
- 1...axb4!
- 1...Kd4
- 1.Se7+?
- 1...Kd4
- 2.Sd1#
- 1...Qxe7!
- 1...Kd4
- 1.Rg5+?
- 1...Sf5
- 2.Qe5#
- 1...f5
- 2.Qe5#
- 1...Rxg5!
- 1...Sf5
- 1.Qxh5+?
- 1...Sf5
- 2.Qxf5#
- 1...f5!
- 1...Sf5
- 1.Sd1?
- Keys
- 1.Sg4!
- threat
- 2.Se3#
- 2.Sf6#
- 1...Sxd3
- 2.Qxd3#
- 1...Sxb5
- 2.Se3#
- 1...fxg6
- 2.Sf6#
- 1...Qe7
- 2.Sxe7#
- 1...Re5
- 2.Qxe5#
- 1...Rf5
- 2.Se3#
- 1...Re8
- 2.Sf6#
- 1...Sb3
- 2.Sf6#
- 1...Sa4
- 2.Sf6#
- 1...Sce4
- 2.dxe4#
- 1...Sa6
- 2.Sf6#
- 1...Se6
- 2.Sf6#
- 1...Scb7
- 2.Sf6#
- 2.Se7#
- 1...Sd7
- 2.Se7#
- 1...Sc4
- 2.dxc4#
- 1...Sde4
- 2.Se3#
- 2.dxe4#
- 1...Sf5
- 2.Qe5#
- 1...Sdb7
- 2.Se3#
- 2.Se7#
- 1...Sc8
- 2.Se3#
- 1...Se8
- 2.Se3#
- 1...f6
- 2.Sxf6#
- threat
- 1.Sg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 15
- REMOVED MATES = 6
- Sets
- R(f);N_GUARD::QAR1(D),XR(f)
- R(f);N_GUARD::QAR1(D)
- B(a);OGATE::R(C)+P(F)DCHECK,XB(a)
- S(h);OGATE::R(C)+P(F)DCHECK,XS(h)
- S(h);S_CUTR(f)::QAR1(D)
- P(j);S_CUTR(f)::QAR1(D)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(d);OGATE,P_SPINS(d),XP(F)::QAR2(D),XS(d)
- S(h);XP(G)::S(E)
- P(j);XR(I)::S(E)
- R(k);::S(E)
- S(d);::S(E)
- S(d);OGATE::R(C)+P(F)DCHECK,XS(d)
- P(j);::S(E)
- Refutation
- S(d);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(d);OGATE,P_SPINS(d),XP(F)::QAR2(D),XS(d)
- S(d);OGATE,XS(E)::R(C)+P(F)DCHECK,XS(d)
- S(h);OGATE,XS(E)::R(C)+P(F)DCHECK,XS(h)
- Q(i);::S(E)
- R(f);::S(E)
- S(d);::S(E)
- S(h);::S(E)
- Refutation
- S(h);XP(G)
- Try
- S(H);CHECK
- Vars
- K(e);P-FLIGHT::B(A)+S(E)
- Refutation
- P(c);XS(H)
- Try
- S(H);CHECK
- Vars
- K(e);P-FLIGHT::B(A)+S(E)
- Refutation
- Q(i);XS(H)
- Try
- R(I);CHECK
- Vars
- S(h);P_SPINS(h)::QAR1(D)
- P(j);P_SPINP(j)::QAR1(D)
- Refutation
- R(f);XR(I)
- Try
- Q(D);CHECK,XR(f)
- Vars
- S(h);N_GUARD,P_SPINS(h)::QAR2(D),XS(h)
- Refutation
- P(j);P_SPINP(j)
- Try
- Actual
- S(E);
- Threat
- DUALS(2)
- Vars
- S(d);OGATE,P_SPINS(d),XP(F)::QAR2(D),XS(d)
- S(h);XP(G)::S(E)
- P(j);XR(I)::S(E)
- Q(i);N_GUARD::S(H),XQ(i)
- R(f);N_GUARD::QAR1(D),XR(f)
- R(f);::S(E)
- R(k);::S(E)
- S(d);::S(E)
- S(d);OGATE::R(C)+P(F)DCHECK,XS(d)
- S(d);S_CUTQ(i)::S(H)
- S(h);OGATE::R(C)+P(F)DCHECK,XS(h)
- S(h);S_CUTR(f)::QAR1(D)
- S(h);::S(E)
- P(j);::S(E),XP(j)
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