MESON Chess Problem Database
Problem Display
PID: 163617 (8/1pq2p2/1Q1ppN2/4k1K1/3N4/3nnBp1/4r1r1/8 w - - 0 1)
Valters, N
Sachmatija, 2005
#2
5 + 11
SOLUTION
- SOUND
- Sets
- 1...Qb8
- 2.Sd7#
- 1...Qc1
- 2.Sd7#
- 1...Qc2
- 2.Sd7#
- 1...Qc3
- 2.Sd7#
- 1...Qc4
- 2.Sd7#
- 1...Qd7
- 2.Sxd7#
- 1...Sd1
- 2.Sg4#
- 1...Sf1
- 2.Sg4#
- 1...Sc2
- 2.Sg4#
- 1...Sc4
- 2.Sg4#
- 1...Sg4
- 2.Sxg4#
- 1...Sd5
- 2.Sg4#
- 1...Sf5
- 2.Sg4#
- 1...Qb8
- Tries
- 1.Sxe2?
- threat
- 2.Qxe3#
- 2.Qd4#
- 1...Qxb6
- 2.Sd7#
- 1...Qc1
- 2.Sd7#
- 2.Qd4#
- 1...Qc3
- 2.Sd7#
- 2.Qxe3#
- 1...Qc4
- 2.Sd7#
- 1...Qc5
- 2.Sd7#
- 1...Qc6
- 2.Qd4#
- 1...Sf2
- 2.Qd4#
- 1...Sc5
- 2.Qb2#
- 1...Sd1
- 2.Sg4#
- 2.Qd4#
- 1...Sf1
- 2.Sg4#
- 2.Qd4#
- 1...Sc2
- 2.Sg4#
- 1...Sc4
- 2.Sg4#
- 2.Qd4#
- 1...Sg4
- 2.Sxg4#
- 2.Qd4#
- 1...Sd5
- 2.Sg4#
- 2.Qd4#
- 1...Sf5
- 2.Sg4#
- 1...d5
- 2.Qxc7#
- 1...Rxe2!
- threat
- 1.Sb3?
- threat
- 2.Qd4#
- 1...Qxb6
- 2.Sd7#
- 1...Qc3
- 2.Sd7#
- 1...Qc4
- 2.Sd7#
- 1...Qc5
- 2.Sd7#
- 1...Sc2
- 2.Sg4#
- 1...Sf5
- 2.Sg4#
- 1...d5
- 2.Qxc7#
- 1...Sc5!
- threat
- 1.Sb5?
- threat
- 2.Qd4#
- 1...Qxb6
- 2.Sd7#
- 1...Qc3
- 2.Sd7#
- 2.Qxd6#
- 1...Qc4
- 2.Sd7#
- 2.Qxd6#
- 1...Qc5
- 2.Sd7#
- 1...Sc2
- 2.Sg4#
- 1...Sf5
- 2.Sg4#
- 1...Sc5!
- threat
- 1.Sxe2?
- Keys
- 1.Sc2!
- threat
- 2.Qd4#
- 1...Qxb6
- 2.Sd7#
- 1...Qxc2
- 2.Sd7#
- 1...Rxc2
- 2.Qxe3#
- 1...Sxc2
- 2.Sg4#
- 1...Qc3
- 2.Sd7#
- 1...Qc4
- 2.Sd7#
- 1...Qc5
- 2.Sd7#
- 1...Sc5
- 2.Qb2#
- 1...Sf5
- 2.Sg4#
- 1...d5
- 2.Qxc7#
- threat
- 1.Sc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 8
- Sets
- Q(j);N_GUARD::S(E)
- Q(j);N_GUARD::S(E),XQ(j)
- S(d);N_GUARD::S(E)
- S(d);N_GUARD::S(E),XS(d)
- Tries
- Try
- S(B);XR(a)
- Threat
- DUALS(2)
- Vars
- Q(j);N_GUARD,XQ(D)::S(E)
- Q(j);N_GUARD::S(E)
- Q(j);::QAB1(D)
- S(c);::QAB1(D)
- S(c);N_GUARD,S_CUTQ(j)::QAB(D)
- S(d);N_GUARD::S(E)
- P(g);OGATEB::QAB(D),XQ(j)
- Refutation
- R(b);XS(B)
- Try
- S(B);
- Threat
- QAB1(D)
- Vars
- Q(j);N_GUARD,XQ(D)::S(E)
- Q(j);N_GUARD::S(E)
- S(d);N_GUARD::S(E)
- P(g);OGATEB::QAB(D),XQ(j)
- Refutation
- S(c);
- Try
- S(B);
- Threat
- QAB1(D)
- Vars
- Q(j);N_GUARD,XQ(D)::S(E)
- Q(j);N_GUARD::S(E)
- S(d);N_GUARD::S(E)
- Refutation
- S(c);
- Try
- Actual
- S(B);
- Threat
- QAB1(D)
- Vars
- Q(j);N_GUARD,XQ(D)::S(E)
- Q(j);N_GUARD,XS(B)::S(E)
- R(a);N_GUARD,XS(B)::QAR2(D),XS(d)
- S(d);N_GUARD,XS(B)::S(E)
- Q(j);N_GUARD::S(E)
- S(c);N_GUARD,S_CUTQ(j)::QAB(D)
- S(d);N_GUARD::S(E)
- P(g);OGATEB::QAB(D),XQ(j)
Developed and maintained by Brian Stephenson.
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