MESON Chess Problem Database
Problem Display
PID: 147103 (2N2Br1/2pN4/1b2p3/1P1k1p1R/1R2n3/K4n2/2PP4/3Q3B w - - 0 1)
Willmott, Arthur
Comm., Australian Chess Problem Magazine TT, 1996
#2
11 + 8
| 5454 | Near Snap | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Bd4
- 2.c4#
- 1...Se1
- 2.Bxe4#
- 1...Sg1
- 2.Bxe4#
- 1...Sfxd2
- 2.Bxe4#
- 1...Sh2
- 2.Bxe4#
- 1...Sd4
- 2.c4#
- 1...Sh4
- 2.Bxe4#
- 1...Se5
- 2.Sf6#
- 1...Sexd2
- 2.Bxf3#
- 1...Sd6
- 2.Se7#
- 1...c5
- 2.Scxb6#
- 1...c6
- 2.Scxb6#
- 1...Bd4
- Tries
- 1.Qe2?
- threat
- 2.Qc4#
- 2.Qxe4#
- 1...Sexd2
- 2.Sf6#
- 2.Qe5#
- 1...e5
- 2.Qc4#
- 1...Rg4
- 2.Qc4#
- 1...Rg5
- 2.Qc4#
- 1...Be3
- 2.Qc4#
- 1...Bd4
- 2.Qc4#
- 2.c4#
- 1...Se5
- 2.Sf6#
- 1...Sfg5
- 2.Qc4#
- 1...Sf2
- 2.Sf6#
- 2.Qc4#
- 2.Qe5#
- 1...Sc3
- 2.Sf6#
- 2.Qc4#
- 2.Qe5#
- 1...Sg3
- 2.Sf6#
- 2.Qc4#
- 2.Qe5#
- 1...Sc5
- 2.Sf6#
- 2.Qc4#
- 2.Qe5#
- 1...Seg5
- 2.Sf6#
- 2.Qc4#
- 2.Qe5#
- 1...Sd6
- 2.Se7#
- 2.Qe5#
- 1...Sf6
- 2.Sxf6#
- 2.Qc4#
- 2.Qe5#
- 1...Sfxd2!
- threat
- 1.Qxf3?
- threat
- 2.Qxe4#
- 2.Qb3#
- 1...e5
- 2.Qb3#
- 1...Rg4
- 2.Qb3#
- 1...Rg5
- 2.Qb3#
- 1...Be3
- 2.Qxe4#
- 1...c5
- 2.Scxb6#
- 2.Qxe4#
- 2.Qd3#
- 1...Rg3!
- threat
- 1.Qa1?
- threat
- 2.Qa2#
- 2.c4#
- 1...Sfxd2
- 2.Sf6#
- 2.Qe5#
- 1...Sexd2
- 2.Sf6#
- 2.Qe5#
- 1...e5
- 2.Qa2#
- 1...Sd4
- 2.c4#
- 1...Se5
- 2.Sf6#
- 2.Qxe5#
- 1...Sf2
- 2.Sf6#
- 2.Qe5#
- 2.Qa2#
- 1...Sg3
- 2.Sf6#
- 2.Qe5#
- 2.Qa2#
- 1...Sc5
- 2.Sf6#
- 2.Rd4#
- 2.Qd4#
- 2.Qe5#
- 1...Seg5
- 2.Sf6#
- 2.Qe5#
- 2.Qa2#
- 1...Sd6
- 2.Se7#
- 2.Qe5#
- 1...Sf6
- 2.Sxf6#
- 2.Qe5#
- 2.Qa2#
- 1...c5
- 2.Sdxb6#
- 2.Scxb6#
- 2.c4#
- 1...Sc3!
- threat
- 1.d4?
- threat
- 2.c4#
- 1...Sed2
- 2.Sf6#
- 1...Sf2
- 2.Sf6#
- 1...Sc3
- 2.Sf6#
- 1...Sg3
- 2.Sf6#
- 1...Sc5
- 2.Sf6#
- 2.dxc5#
- 1...Seg5
- 2.Sf6#
- 1...Sd6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sfd2
- 2.Sf6#
- 1...Se5
- 2.Sf6#
- 1...e5!
- threat
- 1.Qe2?
- Keys
- 1.c3!
- threat
- 2.Qb3#
- 1...Sfxd2
- 2.Bxe4#
- 1...Sexd2
- 2.Bxf3#
- 1...Sd4
- 2.c4#
- 1...Se5
- 2.Sf6#
- 1...Sc5
- 2.Rd4#
- 1...Sd6
- 2.Se7#
- 1...c5
- 2.Scxb6#
- threat
- 1.c3!
Anticipated by 36261(1946)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- B(e);SBLOCK::P(C)
- S(a);OGATE,P_SPINS(b)::B(B),XS(b)
- S(a);OGATE,P_SPINS(a),XP(D)::B(B),XS(b)
- S(a);P_SPINS(b),SBLOCK::P(C)
- S(a);N_SPINP(d),P_SPINS(b),SBLOCK::S(I)
- S(b);OGATEB,P_SPINS(b),XP(D)::B(B),XS(a)
- S(b);P_SPINS(a),SBLOCK::S(J)
- P(g);N_GUARD::S(J),XB(e)
- Tries
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(f);N_SPINP(d)::QAB1(A)
- R(h);::QAB1(A)
- R(h);N_SPINP(d)::QAB1(A)
- B(e);::QAB1(A)
- S(a);N_SPINP(d),P_SPINS(b),SBLOCK::S(I)
- S(a);N_SPINP(d),P_SPINS(b)::QAB1(A)
- Refutation
- S(a);P_SPINS(b),XP(D)
- Try
- Q(A);P_PINS(b),XS(a)
- Threat
- DUALS(2)
- Vars
- P(f);N_SPINP(d)::QAB(A)
- R(h);::QAB(A)
- R(h);N_SPINP(d)::QAB(A)
- B(e);::QAB1(A),XS(b)
- Refutation
- R(h);P_PINQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(f);N_SPINP(d)::QAB(A)
- S(a);P_SPINS(b)::P(C)
- Refutation
- S(b);P_SPINS(a)
- Try
- P(D);
- Threat
- P(C)
- Vars
- S(b);N_GUARD,P_SPINS(a)::S(I)
- S(b);N_GUARD,N_SPINP(d),P_SPINS(a)::S(I)
- S(b);N_GUARD,P_SPINS(a)::S(I),XS(b)
- S(a);P_SPINS(b)::S(I)
- S(a);N_SPINP(d),P_SPINS(b)::S(I)
- Refutation
- P(f);N_SPINP(d)
- Try
- Actual
- P(C);
- Threat
- QAB(A)
- Vars
- S(a);OGATE,P_SPINS(a),XP(D)::B(B),XS(b)
- S(b);OGATEB,P_SPINS(b),XP(D)::B(B),XS(a)
- S(a);P_SPINS(b),SBLOCK::P(C)
- S(a);N_SPINP(d),P_SPINS(b),SBLOCK::S(I)
- S(b);P_SPINS(a),S_CUTB(e)::R1(F)
- S(b);P_SPINS(a),SBLOCK::S(J)
- P(g);N_GUARD::S(J),XB(e)
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