MESON Chess Problem Database
Problem Display
PID: 102986 (1K6/8/8/1npn4/Qbk1B3/1pP5/2NP4/8 w - - 0 1)
Hermanson, Halvar
Szachy, 1956
#2
6 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sa3
- 2.Sxa3#
- 1...Sbxc3
- 2.d3#
- 1...Sd4
- 2.Sa3#
- 1...Sd6
- 2.Sa3#
- 1...Sa7
- 2.Sa3#
- 1...Sbc7
- 2.Sa3#
- 1...Sdxc3
- 2.d3#
- 1...Se3
- 2.Sxe3#
- 1...Sf4
- 2.Se3#
- 1...Sb6
- 2.Se3#
- 1...Sf6
- 2.Se3#
- 1...Sdc7
- 2.Se3#
- 1...Se7
- 2.Se3#
- 1...bxc2
- 2.Qa2#
- 1...b2
- 2.Qa2#
- 1...Sa3
- Tries
- 1.Kb7?
- 1...Sbxc3
- 2.d3#
- 1...Sdxc3
- 2.d3#
- 1...bxc2
- 2.Qa2#
- 1...Sa3
- 2.Sxa3#
- 1...Sd4
- 2.Sa3#
- 1...Sa7
- 2.Sa3#
- 1...Sbc7
- 2.Sa3#
- 1...Se3
- 2.Sxe3#
- 1...Sf4
- 2.Se3#
- 1...Sb6
- 2.Se3#
- 1...Sf6
- 2.Se3#
- 1...Sdc7
- 2.Se3#
- 1...Se7
- 2.Se3#
- 1...b2
- 2.Qa2#
- 1...Sd6+!
- 1...Sbxc3
- 1.Bf5?
- 1...Sbxc3
- 2.d3#
- 1...bxc2
- 2.Qa2#
- 1...Se3
- 2.Sxe3#
- 1...Sf4
- 2.Se3#
- 1...Sb6
- 2.Se3#
- 1...Sf6
- 2.Se3#
- 1...Sdc7
- 2.Se3#
- 1...Se7
- 2.Se3#
- 1...Sa3
- 2.Sxa3#
- 1...Sd4
- 2.Sa3#
- 1...Sd6
- 2.Sa3#
- 1...Sa7
- 2.Sa3#
- 1...Sbc7
- 2.Sa3#
- 1...b2
- 2.Qa2#
- 1...Sdxc3!
- 1...Sbxc3
- 1.Bg6?
- 1...Sbxc3
- 2.d3#
- 1...bxc2
- 2.Qa2#
- 1...Se3
- 2.Sxe3#
- 1...Sf4
- 2.Se3#
- 1...Sb6
- 2.Se3#
- 1...Sf6
- 2.Se3#
- 1...Sdc7
- 2.Se3#
- 1...Se7
- 2.Se3#
- 1...Sa3
- 2.Sxa3#
- 1...Sd4
- 2.Sa3#
- 1...Sd6
- 2.Sa3#
- 1...Sa7
- 2.Sa3#
- 1...Sbc7
- 2.Sa3#
- 1...b2
- 2.Qa2#
- 1...Sdxc3!
- 1...Sbxc3
- 1.Bh7?
- 1...Sbxc3
- 2.d3#
- 1...bxc2
- 2.Qa2#
- 1...Se3
- 2.Sxe3#
- 1...Sf4
- 2.Se3#
- 1...Sb6
- 2.Se3#
- 1...Sf6
- 2.Se3#
- 1...Sdc7
- 2.Se3#
- 1...Se7
- 2.Se3#
- 1...Sa3
- 2.Sxa3#
- 1...Sd4
- 2.Sa3#
- 1...Sd6
- 2.Sa3#
- 1...Sa7
- 2.Sa3#
- 1...Sbc7
- 2.Sa3#
- 1...b2
- 2.Qa2#
- 1...Sdxc3!
- 1...Sbxc3
- 1.Qxb4+?
- 1...Sxb4
- 2.Se3#
- 1...cxb4!
- 1...Sxb4
- 1.Kb7?
- Keys
- 1.Qa6!
- 1...Bxc3
- 2.d3#
- 1...Sxc3
- 2.d3#
- 1...bxc2
- 2.Qa2#
- 1...b2
- 2.Qa2#
- 1...Ba3
- 2.Sxa3#
- 1...Ba5
- 2.Sa3#
- 1...Se3
- 2.Sxe3#
- 1...Sf4
- 2.Se3#
- 1...Sb6
- 2.Se3#
- 1...Sf6
- 2.Se3#
- 1...Sc7
- 2.Se3#
- 1...Se7
- 2.Se3#
- 1...Bxc3
- 1.Qa6!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- S(d);N_GUARD::S(A),XS(d)
- S(d);SBLOCK,XP(C)::P(B)
- S(d);N_GUARD::S(A)
- S(f);SBLOCK,XP(C)::P(B)
- S(f);N_GUARD::S(A),XS(f)
- S(f);N_GUARD::S(A)
- P(a);OGATEB,XS(A)::QAB(D)
- P(a);OGATEB::QAB(D)
- Tries
- Try
- K(F);P-FLIGHT
- Vars
- S(d);SBLOCK,XP(C)::P(B)
- S(f);SBLOCK,XP(C)::P(B)
- P(a);OGATEB,XS(A)::QAB(D)
- S(d);N_GUARD::S(A),XS(d)
- S(d);N_GUARD::S(A)
- S(f);N_GUARD::S(A),XS(f)
- S(f);N_GUARD::S(A)
- P(a);OGATEB::QAB(D)
- Refutation
- S(d);CHECK
- Try
- B(E);
- Vars
- S(d);SBLOCK,XP(C)::P(B)
- P(a);OGATEB,XS(A)::QAB(D)
- S(f);N_GUARD::S(A),XS(f)
- S(f);N_GUARD::S(A)
- S(d);N_GUARD::S(A),XS(d)
- S(d);N_GUARD::S(A)
- P(a);OGATEB::QAB(D)
- Refutation
- S(f);XP(C)
- Try
- B(E);
- Vars
- S(d);SBLOCK,XP(C)::P(B)
- P(a);OGATEB,XS(A)::QAB(D)
- S(f);N_GUARD::S(A),XS(f)
- S(f);N_GUARD::S(A)
- S(d);N_GUARD::S(A),XS(d)
- S(d);N_GUARD::S(A)
- P(a);OGATEB::QAB(D)
- Refutation
- S(f);XP(C)
- Try
- B(E);
- Vars
- S(d);SBLOCK,XP(C)::P(B)
- P(a);OGATEB,XS(A)::QAB(D)
- S(f);N_GUARD::S(A),XS(f)
- S(f);N_GUARD::S(A)
- S(d);N_GUARD::S(A),XS(d)
- S(d);N_GUARD::S(A)
- P(a);OGATEB::QAB(D)
- Refutation
- S(f);XP(C)
- Try
- Q(D);CHECK,XB(b)
- Vars
- S(f);XQ(D)::S(A)
- Refutation
- P(e);XQ(D)
- Try
- Actual
- Q(D);N_PINB(b),P_PINS(d)
- Vars
- B(b);SBLOCK,XP(C)::P(B)
- S(f);SBLOCK,XP(C)::P(B)
- P(a);OGATEB,XS(A)::QAB(D)
- P(a);OGATEB::QAB(D)
- B(b);N_GUARD::S(A),XB(b)
- B(b);N_GUARD::S(A)
- S(f);N_GUARD::S(A),XS(f)
- S(f);N_GUARD::S(A)
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