MESON Chess Problem Database
Problem Display
PID: 214841 (N1R5/1p1n2r1/1p2R3/3k1B2/1p1b4/qp4p1/N2Q1nK1/8 w - - 0 1)
Neptaev, Nikolai I
Zadachi i Etyudi, 1998
#2
7 + 11
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Sxb4#
- 1...Qb2
- 2.Sxb4#
- 1...Qa6
- 2.Sxb4#
- 1...Qa7
- 2.Sxb4#
- 1...Qxa8
- 2.Sxb4#
- 1...Sc5
- 2.Sxb6#
- 1...Se5
- 2.Sxb6#
- 1...Sf6
- 2.Sxb6#
- 1...Sb8
- 2.Sxb6#
- 1...Sf8
- 2.Sxb6#
- 1...Qc1
- Tries
- 1.Rc1?
- threat
- 2.Sc7#
- 1...Qxa8
- 2.Sxb4#
- 1...Sc5
- 2.Sxb6#
- 1...Se5
- 2.Sxb6#
- 1...Sf6
- 2.Sxb6#
- 1...Sb8
- 2.Sxb6#
- 1...Sf8
- 2.Sxb6#
- 1...Qxc1!
- threat
- 1.Rc2?
- threat
- 2.Sc7#
- 1...Qxa8
- 2.Sxb4#
- 1...Sc5
- 2.Sxb6#
- 1...Se5
- 2.Sxb6#
- 1...Sf6
- 2.Sxb6#
- 1...Sb8
- 2.Sxb6#
- 1...Sf8
- 2.Sxb6#
- 1...bxc2!
- threat
- 1.Rc3?
- threat
- 2.Sc7#
- 1...Qxa8
- 2.Sxb4#
- 1...Sc5
- 2.Sxb6#
- 1...Se5
- 2.Sxb6#
- 1...Sf6
- 2.Sxb6#
- 1...Sb8
- 2.Sxb6#
- 1...Sf8
- 2.Sxb6#
- 1...bxc3!
- threat
- 1.Rcc6?
- threat
- 2.Sc7#
- 1...Qxa8
- 2.Sxb4#
- 1...Sc5
- 2.Sxb6#
- 1...Se5
- 2.Sxb6#
- 2.Red6#
- 1...Sf6
- 2.Sxb6#
- 1...Sb8
- 2.Sxb6#
- 1...Sf8
- 2.Sxb6#
- 1...bxc6!
- threat
- 1.Qf4?
- threat
- 2.Rd6#
- 2.Qd6#
- 1...Sc5
- 2.Sxb6#
- 1...Rg6
- 2.Qd6#
- 1...Bc5
- 2.Sc7#
- 1...Be5
- 2.Qc4#
- 1...Se4
- 2.Qxe4#
- 1...Se5!
- threat
- 1.Rc1?
- Keys
- 1.Qxb4!
- threat
- 2.Sc7#
- 2.Qc4#
- 1...Qxb4
- 2.Sxb4#
- 1...Qxa8
- 2.Qd6#
- 2.Qxb3#
- 2.Qc4#
- 1...Qc1
- 2.Qd6#
- 1...Qa4
- 2.Sc7#
- 2.Qd6#
- 1...Qa6
- 2.Sc7#
- 2.Qd6#
- 1...Bc5
- 2.Sc3#
- 2.Sc7#
- 1...Be5
- 2.Qc4#
- 1...Sc5
- 2.Sxb6#
- 1...Se5
- 2.Rd6#
- 1...Sf6
- 2.Qc4#
- 1...Sb8
- 2.Qc4#
- 1...Sf8
- 2.Qc4#
- 1...b5
- 2.Sc7#
- threat
- 1.Qxb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 5
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- Q(b);N_GUARD::S(A),XP(e)
- Q(b);N_GUARD,XS(F)::S(A),XP(e)
- S(j);N_GUARD::S(F),XP(h)
- Tries
- Try
- R(G);
- Threat
- S(F)
- Vars
- Q(b);N_GUARD,XS(F)::S(A),XP(e)
- S(j);N_GUARD::S(F),XP(h)
- Refutation
- Q(b);XR(G)
- Try
- R(G);
- Threat
- S(F)
- Vars
- Q(b);N_GUARD,XS(F)::S(A),XP(e)
- S(j);N_GUARD::S(F),XP(h)
- Refutation
- P(c);XR(G)
- Try
- R(G);
- Threat
- S(F)
- Vars
- Q(b);N_GUARD,XS(F)::S(A),XP(e)
- S(j);N_GUARD::S(F),XP(h)
- Refutation
- P(e);XR(G)
- Try
- R(G);
- Threat
- S(F)
- Vars
- Q(b);N_GUARD,XS(F)::S(A),XP(e)
- S(j);N_GUARD::S(F),XP(h)
- Refutation
- P(i);XR(G)
- Try
- Q(B);N_PINB(f)
- Threat
- DUALS(2)
- Vars
- S(j);N_GUARD,S_CUTB(f)::S(F),XP(h)
- R(k);::QAR1(B)
- B(f);SBLOCK::S(F)
- B(f);OGATE::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- Refutation
- S(j);
- Try
- Actual
- Q(B);N_PINB(f),XP(e)
- Threat
- DUALS(2)
- Vars
- Q(b);XQ(B)::S(A),XQ(b)
- Q(b);N_GUARD::QAR1(B)
- B(f);::QAB1(B)
- S(j);N_GUARD,S_CUTB(f)::S(F),XP(h)
- S(j);SBLOCK::R1(E)
- S(j);::QAB1(B)
- P(h);::S(F)
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