MESON Chess Problem Database
Problem Display
PID: 116236 (2K2Q2/5p2/5n2/4p1p1/3N1k2/2N2BnP/3P4/8 w - - 0 1)
Groeneveld, Cornelis
Canadian Chess Chat, 1982
#2
7 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sf1
- 2.Sce2#
- 1...Sh1
- 2.Sce2#
- 1...Se2
- 2.Scxe2#
- 1...Sge4
- 2.Sce2#
- 1...Sf5
- 2.Sce2#
- 1...Sgh5
- 2.Sce2#
- 1...Sfe4
- 2.Sd5#
- 1...Sg4
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sfh5
- 2.Sd5#
- 1...Sd7
- 2.Sd5#
- 1...Sh7
- 2.Sd5#
- 1...Se8
- 2.Sd5#
- 1...Sg8
- 2.Sd5#
- 1...e4
- 2.Qd6#
- 1...g4
- 2.Qh6#
- 1...Sf1
- Tries
- 1.Kb7?
- 1...Sf1
- 2.Sce2#
- 1...Sh1
- 2.Sce2#
- 1...Se2
- 2.Scxe2#
- 1...Sge4
- 2.Sce2#
- 1...Sf5
- 2.Sce2#
- 1...Sgh5
- 2.Sce2#
- 1...e4
- 2.Qd6#
- 2.Qb8#
- 1...g4
- 2.Qh6#
- 1...Sfe4
- 2.Sd5#
- 1...Sg4
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sfh5
- 2.Sd5#
- 1...Sd7
- 2.Sd5#
- 1...Sh7
- 2.Sd5#
- 1...Se8
- 2.Sd5#
- 1...Sg8
- 2.Sd5#
- 1...exd4!
- 1...Sf1
- 1.Kd8?
- 1...Sf1
- 2.Sce2#
- 1...Sh1
- 2.Sce2#
- 1...Se2
- 2.Scxe2#
- 1...Sge4
- 2.Sce2#
- 1...Sf5
- 2.Sce2#
- 1...Sgh5
- 2.Sce2#
- 1...e4
- 2.Qd6#
- 1...g4
- 2.Qh6#
- 1...Sfe4
- 2.Sd5#
- 1...Sg4
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sfh5
- 2.Sd5#
- 1...Sd7
- 2.Sd5#
- 1...Sh7
- 2.Sd5#
- 1...Se8
- 2.Sd5#
- 1...Sg8
- 2.Sd5#
- 1...exd4!
- 1...Sf1
- 1.Bg2?
- 1...Sf1
- 2.Sce2#
- 1...Sh1
- 2.Sce2#
- 1...Se2
- 2.Scxe2#
- 1...Sge4
- 2.Sce2#
- 1...Sf5
- 2.Sce2#
- 2.Sde2#
- 1...Sgh5
- 2.Sce2#
- 1...e4
- 2.Qd6#
- 1...g4
- 2.Qh6#
- 1...Sfe4
- 2.Sd5#
- 1...Sg4
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sfh5
- 2.Sd5#
- 1...Sd7
- 2.Sd5#
- 1...Sh7
- 2.Sd5#
- 1...Se8
- 2.Sd5#
- 1...Sg8
- 2.Sd5#
- 1...exd4!
- 1...Sf1
- 1.Bg4?
- 1...exd4
- 2.Qd6#
- 1...Sf1
- 2.Sde2#
- 1...Sh1
- 2.Sde2#
- 1...Se2
- 2.Sdxe2#
- 1...Sge4
- 2.Sce2#
- 2.Sde2#
- 1...Sf5
- 2.Sde2#
- 1...Sgh5
- 2.Sde2#
- 1...e4
- 2.Qd6#
- 1...Sfe4
- 2.Sd5#
- 2.Se6#
- 1...Sd5
- 2.Se6#
- 1...Sfh5
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...Sh7
- 2.Se6#
- 1...Se8
- 2.Se6#
- 1...Sg8
- 2.Se6#
- 1...Sxg4!
- 1...exd4
- 1.Qd6?
- 1...Sf1
- 2.Sce2#
- 1...Sh1
- 2.Sce2#
- 1...Se2
- 2.Scxe2#
- 1...Sge4
- 2.Sce2#
- 1...Sf5
- 2.Sce2#
- 1...Sgh5
- 2.Sce2#
- 1...Sg4
- 2.Sd5#
- 1...Sfe4
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sfh5
- 2.Sd5#
- 1...Sd7
- 2.Sd5#
- 1...Sh7
- 2.Sd5#
- 1...Se8
- 2.Sd5#
- 1...Sg8
- 2.Sd5#
- 1...g4!
- 1...Sf1
- 1.h4?
- 1...gxh4
- 2.Qh6#
- 1...Sf1
- 2.Sce2#
- 1...Sh1
- 2.Sce2#
- 1...Se2
- 2.Scxe2#
- 1...Sge4
- 2.Sce2#
- 1...Sf5
- 2.Sce2#
- 1...Sgh5
- 2.Sce2#
- 1...e4
- 2.Qd6#
- 1...Sg4
- 2.Sd5#
- 1...Sfe4
- 2.Sd5#
- 1...Sd5
- 2.Sxd5#
- 1...Sfh5
- 2.Sd5#
- 1...Sd7
- 2.Sd5#
- 1...Sh7
- 2.Sd5#
- 1...Se8
- 2.Sd5#
- 1...Sg8
- 2.Sd5#
- 1...g4
- 2.Qh6#
- 1...exd4!
- 1...gxh4
- 1.Kb7?
- Keys
- 1.Be4!
- 1...Sgxe4
- 2.Sce2#
- 1...Sfxe4
- 2.Sd5#
- 1...exd4
- 2.Qd6#
- 1...Sf1
- 2.Sde2#
- 1...Sh1
- 2.Sde2#
- 1...Se2
- 2.Sdxe2#
- 1...Sf5
- 2.Sde2#
- 1...Sgh5
- 2.Sde2#
- 1...g4
- 2.Qh6#
- 1...Sg4
- 2.Se6#
- 1...Sd5
- 2.Se6#
- 1...Sfh5
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...Sh7
- 2.Se6#
- 1...Se8
- 2.Se6#
- 1...Sg8
- 2.Se6#
- 1...Sgxe4
- 1.Be4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 12
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(e);N_GUARD,P_SPINP(f)::S(B)
- S(e);N_GUARD,P_SPINP(f)::S(B),XS(e)
- P(c);OGATEB::QAB(G)
- P(d);OGATEB::QAB(G)
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- P(d);OGATEB::QAB(G)
- S(e);N_GUARD,P_SPINP(f)::S(B)
- S(e);N_GUARD,P_SPINP(f)::S(B),XS(e)
- Refutation
- P(c);XS(E)
- Try
- K(F);P-FLIGHT
- Vars
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- P(c);OGATEB::QAB(G)
- P(d);OGATEB::QAB(G)
- S(e);N_GUARD,P_SPINP(f)::S(B)
- S(e);N_GUARD,P_SPINP(f)::S(B),XS(e)
- Refutation
- P(c);XS(E)
- Try
- B(C);
- Vars
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- P(c);OGATEB::QAB(G)
- P(d);OGATEB::QAB(G)
- S(e);N_GUARD,P_SPINP(f)::S(B)
- S(e);N_GUARD,P_SPINP(f)::S(B),XS(e)
- Refutation
- P(c);XS(E)
- Try
- B(C);
- Vars
- P(c);OGATEB,XS(E)::QAB(G)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- P(c);OGATEB::QAB(G)
- S(e);P_SPINP(f)::S(E)
- Refutation
- S(e);P_SPINP(f),XB(C)
- Try
- Q(G);P_PINP(c)
- Vars
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
- Refutation
- P(d);
- Try
- P(D);
- Vars
- P(d);OGATEB,XP(D)::QAB(G)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- P(c);OGATEB::QAB(G)
- S(e);N_GUARD,P_SPINP(f)::S(B)
- S(e);N_GUARD,P_SPINP(f)::S(B),XS(e)
- P(d);OGATEB::QAB(G)
- Refutation
- P(c);XS(E)
- Try
- Actual
- B(C);
- Vars
- S(a);N_GUARD,SBLOCK,XB(C)::S(B)
- S(e);N_GUARD,P_SPINP(f),SBLOCK,XB(C)::S(B)
- P(c);OGATEB,XS(E)::QAB(G)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- P(d);OGATEB::QAB(G)
- S(e);P_SPINP(f)::S(E)
Developed and maintained by Brian Stephenson.
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