MESON Chess Problem Database
Problem Display
PID: 238073 (2B5/8/2p1qN2/5krP/r1n2Pn1/1pQ2P2/4N3/2B1K3 w - - 0 1)
Hermanson, Halvar
Skakbladet, 1949
#2
9 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qd7
- 2.Bxd7#
- 1...Qd7
- Tries
- 1.Se4?
- threat
- 2.S2g3#
- 2.Sd4#
- 2.S4g3#
- 1...Qxc8
- 2.Sd4#
- 1...Qd7
- 2.Sd4#
- 2.Bxd7#
- 1...Sb2
- 2.S2g3#
- 2.S4g3#
- 2.Sd6#
- 1...Sd2
- 2.S4g3#
- 2.Sd6#
- 1...Sa3
- 2.S2g3#
- 2.S4g3#
- 2.Sd6#
- 1...Sce3
- 2.S4g3#
- 2.Sd6#
- 1...Sa5
- 2.S2g3#
- 2.S4g3#
- 2.Sd6#
- 1...Sce5
- 2.S2g3#
- 1...Sb6
- 2.S2g3#
- 2.S4g3#
- 2.Sd6#
- 1...Sd6
- 2.S2g3#
- 2.S4g3#
- 2.Sxd6#
- 1...Sf2
- 2.Sd4#
- 2.Qf6#
- 1...Sh2
- 2.Sd4#
- 2.Qf6#
- 1...Sge3
- 2.Qf6#
- 1...Sge5
- 2.Sd4#
- 1...Sf6
- 2.Sd4#
- 2.Qxf6#
- 1...Sh6
- 2.Sd4#
- 2.Qf6#
- 1...c5
- 2.S2g3#
- 2.S4g3#
- 1...Rxh5!
- threat
- 1.Sxg4?
- threat
- 2.Sh6#
- 2.Qf6#
- 2.Qd3#
- 1...Qxc8
- 2.Sd4#
- 2.Qf6#
- 1...Rxh5
- 2.Qf6#
- 2.Qd3#
- 1...Qd7
- 2.Sd4#
- 2.Bxd7#
- 2.Qf6#
- 1...Rg6
- 2.Qd3#
- 1...Sb2
- 2.Se3#
- 2.Sh6#
- 2.Qe5#
- 2.Qf6#
- 2.Qc5#
- 1...Sd2
- 2.Se3#
- 2.Sh6#
- 2.Qe5#
- 2.Qf6#
- 2.Qc5#
- 1...Sa3
- 2.Se3#
- 2.Sh6#
- 2.Qe5#
- 2.Qf6#
- 2.Qc5#
- 1...Se3
- 2.Sxe3#
- 2.Sh6#
- 2.Qe5#
- 2.Qf6#
- 1...Sa5
- 2.Se3#
- 2.Sh6#
- 2.Qe5#
- 2.Qf6#
- 2.Qc5#
- 1...Se5
- 2.Sg3#
- 2.Qxe5#
- 1...Sb6
- 2.Se3#
- 2.Sh6#
- 2.Qe5#
- 2.Qf6#
- 1...Sd6
- 2.Se3#
- 2.Sh6#
- 2.Qe5#
- 2.Qf6#
- 2.Qc5#
- 1...Rxg4!
- threat
- 1.Sd5?
- threat
- 2.Se7#
- 2.Qd3#
- 1...Qxc8
- 2.Sd4#
- 1...Qd7
- 2.Sd4#
- 2.Bxd7#
- 1...Ra7
- 2.Qd3#
- 1...Rg7
- 2.Qd3#
- 1...Sb2
- 2.Se7#
- 1...Sd2
- 2.Se7#
- 1...Sa3
- 2.Se7#
- 1...Sce3
- 2.Sg3#
- 2.Se7#
- 1...Sa5
- 2.Se7#
- 1...Sce5
- 2.Sg3#
- 1...Sb6
- 2.Se7#
- 1...Sd6
- 2.Se7#
- 1...Sf2
- 2.Se7#
- 2.Qf6#
- 1...Sge5
- 2.Sd4#
- 1...Sf6
- 2.Se7#
- 2.Qxf6#
- 1...cxd5!
- threat
- 1.Sg8?
- threat
- 2.Se7#
- 2.Qd3#
- 1...Qxc8
- 2.Sd4#
- 1...Qd7
- 2.Sd4#
- 2.Bxd7#
- 1...Ra7
- 2.Qd3#
- 1...Rg7
- 2.Qd3#
- 1...Sb2
- 2.Se7#
- 1...Sd2
- 2.Se7#
- 1...Sa3
- 2.Se7#
- 1...Sce3
- 2.Se7#
- 1...Sa5
- 2.Se7#
- 1...Sce5
- 2.Sg3#
- 1...Sb6
- 2.Se7#
- 1...Sd6
- 2.Se7#
- 1...Sf2
- 2.Sh6#
- 2.Se7#
- 2.Qf6#
- 1...Sge5
- 2.Sd4#
- 1...Sf6
- 2.Sh6#
- 2.Se7#
- 2.Qxf6#
- 1...Rxg8!
- threat
- 1.Se4?
- Keys
- 1.Se8!
- threat
- 2.Qd3#
- 1...Qxc8
- 2.Sd4#
- 1...Qd7
- 2.Sd4#
- 2.Bxd7#
- 1...Sb2
- 2.Sd6#
- 1...Sd2
- 2.Sd6#
- 1...Sa3
- 2.Sd6#
- 1...Sce3
- 2.Sd6#
- 1...Sa5
- 2.Sd6#
- 1...Sce5
- 2.Sg3#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sf2
- 2.Qf6#
- 1...Sge5
- 2.Sd4#
- 1...Sf6
- 2.Qxf6#
- threat
- 1.Se8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 1
- Sets
- Q(h);N_PINS(C),OGATEB::B(I),XQ(h)
- Tries
- Try
- S(H);N_SPINS(C)
- Threat
- DUALS(3)
- Vars
- Q(h);N_SPINQ(h),XB(I)::S(C)
- S(c);::S(C)
- S(d);N_GUARD::QAR1(D)
- S(d);::S(C)
- Refutation
- R(f);XP(G)
- Try
- S(H);XS(d)
- Threat
- DUALS(3)
- Vars
- R(f);::QAB(D)
- Refutation
- R(f);XS(H)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- Q(h);N_PINS(C),N_SPINQ(h),XB(I)::S(C)
- R(b);::QAB(D)
- R(f);::QAB(D)
- S(c);::S(H)
- S(c);N_PINS(C)::S(C)
- S(d);N_PINS(C)::S(C)
- Refutation
- P(g);XS(H)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- Q(h);N_PINS(C),N_SPINQ(h),XB(I)::S(C)
- R(b);::QAB(D)
- R(f);::QAB(D)
- S(c);::S(H)
- S(c);N_PINS(C)::S(H)
- S(c);N_PINS(C)::S(C)
- S(d);N_PINS(C)::S(C)
- Refutation
- R(f);XS(H)
- Try
- Actual
- S(H);
- Threat
- QAB(D)
- Vars
- Q(h);N_PINS(C),N_SPINQ(h),XB(I)::S(C)
- S(c);N_GUARD::S(H)
- S(c);N_GUARD,N_PINS(C)::S(H)
- S(c);N_PINS(C)::S(C)
- S(c);N_GUARD::S(H),XS(c)
- S(d);N_GUARD::QAR1(D)
- S(d);N_PINS(C)::S(C)
- S(d);N_GUARD::QAR1(D),XS(d)
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