MESON Chess Problem Database
Problem Display
PID: 143116 (3n3q/R2pQ3/3n2R1/Pk2bN2/7p/B3N3/2B5/1K6 w - - 0 1)
Pachl, Franz
Zeller, Jean
Phenix, 1988
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Kc6
- 2.Ba4#
- 2.Qxd7#
- 1...Sc4
- 2.Qb4#
- 2.Qc5#
- 1...Se4
- 2.Rb6#
- 2.Qb4#
- 1...Sxf5
- 2.Rb6#
- 2.Qb4#
- 2.Qc5#
- 1...S6b7
- 2.Rb6#
- 2.Qb4#
- 1...S6f7
- 2.Rb6#
- 2.Qb4#
- 2.Qc5#
- 1...Sc8
- 2.Qb4#
- 2.Qc5#
- 1...Se8
- 2.Rb6#
- 2.Qb4#
- 2.Qc5#
- 1...Se6
- 2.Qxd7#
- 1...S8b7
- 2.Qxd7#
- 1...S8f7
- 2.Qxd7#
- 1...Kc6
- Tries
- 1.Sxd6+?
- 1...Kc6
- 2.Ba4#
- 2.Be4#
- 2.Qxd7#
- 1...Bxd6!
- 1...Kc6
- 1.Bd3+?
- 1...Kc6
- 2.Qxd7#
- 1...Sc4
- 2.Qb4#
- 1...Ka4!
- 1...Kc6
- 1.Qg5?
- threat
- 2.Sd4#
- 1...Kc6
- 2.Ba4#
- 1...Sxf5
- 2.Rb6#
- 1...Bd4
- 2.Sxd4#
- 1...Sc6
- 2.Sxd6#
- 1...Se6!
- threat
- 1.Qxd6?
- threat
- 2.Qb4#
- 2.Qc5#
- 2.Qd3#
- 2.Qd5#
- 2.Qa6#
- 2.Qb6#
- 1...Qf6
- 2.Qc5#
- 2.Qd5#
- 1...Qf8
- 2.Qd3#
- 2.Qa6#
- 2.Qb6#
- 1...Qg8
- 2.Qb4#
- 2.Qc5#
- 2.Qa6#
- 2.Qb6#
- 1...Bc3
- 2.Qc5#
- 2.Qd3#
- 2.Qd5#
- 2.Qa6#
- 2.Qb6#
- 1...Bd4
- 2.Qb4#
- 2.Qa6#
- 1...Bf6
- 2.Qc5#
- 2.Qd5#
- 2.Qa6#
- 2.Qb6#
- 1...Sc6
- 2.Qc5#
- 2.Qd3#
- 2.Qd5#
- 1...Se6
- 2.Qa6#
- 2.Qb6#
- 2.Qxd7#
- 1...Sb7
- 2.Qb4#
- 2.Qd3#
- 2.Qa6#
- 2.Qb6#
- 2.Qxd7#
- 1...Bxd6!
- threat
- 1.Qxd8?
- threat
- 2.Qb6#
- 2.Qxd7#
- 1...Kc6
- 2.Ba4#
- 2.Qb6#
- 2.Qxd7#
- 1...Qg7
- 2.Qb6#
- 1...Qh7
- 2.Qb6#
- 1...Qe8
- 2.Qb6#
- 1...Bd4
- 2.Qxd7#
- 1...Sc4
- 2.Qxd7#
- 1...Sc8
- 2.Qxd7#
- 1...Qxd8!
- threat
- 1.Qxe5+?
- 1...Kc6
- 2.Sd4#
- 2.Se7#
- 2.Ba4#
- 2.Be4#
- 2.Rxd6#
- 2.Qc5#
- 2.Qd5#
- 1...Qxe5!
- 1...Kc6
- 1.Sxd6+?
- Keys
- 1.Rg5!
- threat
- 2.Sd4#
- 1...Kc6
- 2.Qxd7#
- 1...Sxf5
- 2.Qc5#
- 1...Bd4
- 2.Sxd4#
- 1...Sc6
- 2.Sxd6#
- 1...Se6
- 2.Qxd7#
- threat
- 1.Rg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- S(f);N_GUARD::QAB(I),XP(e)
- Tries
- Try
- S(F);CHECK,XS(d)
- Refutation
- B(c);XS(F)
- Try
- B(B);CHECK
- Vars
- K(b);P_SPINS(d),S_FLIGHT::QAB1(I),XP(e)
- S(d);OGATE,P_SPINS(d)::QAR1(I)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(I);
- Threat
- S(F)
- Vars
- K(b);P_SPINS(d),S_FLIGHT::B(B)
- S(d);OGATE,XS(F)::R1(G)
- B(c);::QAR(I)+S(F),DCHECK,XB(c)
- S(f);SBLOCK::S(F),XS(d)
- Refutation
- S(f);
- Try
- Q(I);XS(d)
- Threat
- DUALS(6)
- Refutation
- B(c);XQ(I)
- Try
- Q(I);XS(f)
- Threat
- DUALS(2)
- Vars
- Q(g);::QAR1(I)
- B(c);::QAB(I),XP(e)
- S(d);::QAB(I),XP(e)
- Refutation
- Q(g);XQ(I)
- Try
- Q(I);CHECK,XB(c)
- Refutation
- Q(g);XQ(I)
- Try
- Actual
- R(G);
- Threat
- S(F)
- Vars
- K(b);S_FLIGHT::QAB1(I),XP(e)
- S(d);OGATE,XS(F)::QAR1(I)
- B(c);::R(G)+S(F),DCHECK,XB(c)
- S(f);SBLOCK::S(F),XS(d)
- S(f);N_GUARD::QAB(I),XP(e)
Developed and maintained by Brian Stephenson.
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