MESON Chess Problem Database
Problem Display
PID: 163558 (KbBn4/2pp4/2k4r/Bp5p/pP2PQ2/r1q2N1b/8/3R4 w - - 0 1)
Shire, David J
Phenix, 1991
#2
8 + 12
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Sd4#
- 2.Se5#
- 1...Qd4
- 2.Sxd4#
- 1...Qe5
- 2.Sxe5#
- 1...Qc1
- 2.Sd4#
- 2.Se5#
- 1...Qc2
- 2.Sd4#
- 2.Se5#
- 1...Qb3
- 2.Sd4#
- 2.Se5#
- 1...Qe3
- 2.Se5#
- 1...Qc4
- 2.Se5#
- 1...Re6
- 2.Bxd7#
- 1...Bf1
- 2.Bxd7#
- 1...Bg2
- 2.Bxd7#
- 1...Ba7
- 2.Qxc7#
- 1...Se6
- 2.Bb7#
- 2.Bxd7#
- 1...Sb7
- 2.Bxb7#
- 1...Sf7
- 2.Bb7#
- 1...d5
- 2.exd5#
- 1...Qe1
- Tries
- 1.Qc1?
- threat
- 2.Se5#
- 1...Re6
- 2.Bxd7#
- 1...Sf7
- 2.Bb7#
- 1...d6
- 2.Sd4#
- 1...d5!
- threat
- 1.Qxh6+?
- 1...Qf6
- 2.Se5#
- 1...Be6
- 2.Bxd7#
- 1...Se6
- 2.Bb7#
- 2.Bxd7#
- 1...d6!
- 1...Qf6
- 1.Qc1?
- Keys
- 1.Rc1!
- threat
- 2.Sd4#
- 1...Rd6
- 2.Se5#
- 1...Ba7
- 2.Qxc7#
- 1...Se6
- 2.Bb7#
- threat
- 1.Rc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 10
- Sets
- Q(b);N_GUARD::S(B),XQ(b)
- Q(b);N_GUARD::S(B)
- R(h);S_CUTB(c)::B(H),XP(j)
- B(c);N_GUARD::B(H),XP(j)
- B(k);N_GUARD::QAR1(E),XP(i)
- S(l);N_GUARD::B(H),XS(l)
- S(l);N_GUARD::B(H)
- P(j);OGATE::P(D),XP(j)
- Tries
- Try
- Q(E);P_PINQ(b)
- Threat
- S(B)
- Vars
- R(h);S_CUTB(c)::B(H),XP(j)
- S(l);N_GUARD::B(H)
- P(j);SBLOCK::S(B)
- Refutation
- P(j);
- Try
- Q(E);CHECK,XR(h)
- Vars
- Q(b);P_SPINQ(b)::S(B)
- B(c);P_SPINB(c)::B(H),XP(j)
- Refutation
- P(j);P_SPINP(j)
- Try
- Actual
- R(A);P_PINQ(b)
- Threat
- S(B)
- Vars
- R(h);SBLOCK::S(B)
- B(k);N_GUARD::QAR1(E),XP(i)
- S(l);N_GUARD::B(H)
Developed and maintained by Brian Stephenson.
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