MESON Chess Problem Database
Problem Display
PID: 176303 (1bB1K3/2k1p3/1R1N4/P6p/1n2Q3/1r1P1b2/4q3/8 w - - 0 1)
Haring, Jacobus
2nd HM., Schach-Echo, 1969
#2
7 + 8
| 6490 | yacpdb | 2018 |
| 5454 | Near Snap | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Qxe7#
- 1...Qf1
- 2.Qxe7#
- 1...Qxd3
- 2.Qxe7#
- 1...Qa2
- 2.Qxe7#
- 1...Qb2
- 2.Qxe7#
- 1...Qc2
- 2.Qxe7#
- 1...Qd2
- 2.Qxe7#
- 1...Qf2
- 2.Qxe7#
- 1...Qg2
- 2.Qxe7#
- 1...Qh2
- 2.Qxe7#
- 1...Bg4
- 2.Qb7#
- 1...Sa2
- 2.Rc6#
- 1...Sc2
- 2.Rc6#
- 1...Sxd3
- 2.Rc6#
- 1...Sd5
- 2.Qc4#
- 1...Sa6
- 2.Rc6#
- 1...Sc6
- 2.Rxc6#
- 1...e5
- 2.Qh7#
- 1...e6
- 2.Qh7#
- 1...Qd1
- Tries
- 1.Bg4?
- threat
- 2.Sb5#
- 1...Qxd3
- 2.Qxe7#
- 1...Bxg4
- 2.Qb7#
- 1...Sxd3
- 2.Rc6#
- 1...exd6
- 2.Rb7#
- 1...Sc6
- 2.Rxc6#
- 1...Sa2
- 2.Rc6#
- 1...Sc2
- 2.Rc6#
- 1...Sd5
- 2.Qc4#
- 1...Sa6
- 2.Rc6#
- 1...e6
- 2.Qh7#
- 1...hxg4!
- threat
- 1.Bf5?
- threat
- 2.Sb5#
- 1...Qxd3
- 2.Qxe7#
- 1...Sxd3
- 2.Rc6#
- 1...exd6
- 2.Rb7#
- 1...Sc6
- 2.Rxc6#
- 1...Sa2
- 2.Rc6#
- 1...Sc2
- 2.Rc6#
- 1...Sd5
- 2.Qc4#
- 1...Sa6
- 2.Rc6#
- 1...e6!
- threat
- 1.Ba6?
- threat
- 2.Sb5#
- 1...Qxd3
- 2.Qxe7#
- 1...Sxd3
- 2.Rc6#
- 1...Sxa6
- 2.Rc6#
- 1...Sc6
- 2.Rxc6#
- 1...Sa2
- 2.Rc6#
- 1...Sc2
- 2.Rc6#
- 1...Sd5
- 2.Qc4#
- 1...exd6!
- threat
- 1.Be6?
- threat
- 2.Sb5#
- 1...Sxd3
- 2.Rc6#
- 1...exd6
- 2.Rb7#
- 2.Qh7#
- 1...Sc6
- 2.Rxc6#
- 1...Sa2
- 2.Rc6#
- 1...Sc2
- 2.Rc6#
- 1...Sd5
- 2.Qc4#
- 1...Sa6
- 2.Rc6#
- 1...Qxd3!
- threat
- 1.Bd7?
- threat
- 2.Sb5#
- 1...Sxd3
- 2.Rc6#
- 1...exd6
- 2.Rb7#
- 1...Sc6
- 2.Rxc6#
- 1...Sa2
- 2.Rc6#
- 1...Sc2
- 2.Rc6#
- 1...Sd5
- 2.Rc6#
- 2.Qc4#
- 1...Sa6
- 2.Rc6#
- 1...Qxd3!
- threat
- 1.Bg4?
- Keys
- 1.Bh3!
- threat
- 2.Sb5#
- 1...Qxd3
- 2.Qxe7#
- 1...Sxd3
- 2.Rc6#
- 1...exd6
- 2.Rb7#
- 1...Sc6
- 2.Rxc6#
- 1...Bg4
- 2.Qb7#
- 1...Sa2
- 2.Rc6#
- 1...Sc2
- 2.Rc6#
- 1...Sd5
- 2.Qc4#
- 1...Sa6
- 2.Rc6#
- 1...e6
- 2.Qh7#
- threat
- 1.Bh3!
This anticipates 141089(1976)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- Q(a);N_GUARD::QAR2(B),XP(g)
- Q(a);N_GUARD,XP(A)::QAR2(B),XP(g)
- B(c);N_GUARD::QAR1(B)
- S(d);N_GUARD::R1(D)
- S(d);N_GUARD,XP(A)::R1(D)
- S(d);N_GUARD,S_CUTB(c)::QAR(B)
- S(d);N_GUARD::R1(D),XS(d)
- P(g);OGATEB::QAR(B)
- Tries
- Try
- B(F);
- Threat
- S(E)
- Vars
- Q(a);N_GUARD,XP(A)::QAR2(B),XP(g)
- B(c);N_GUARD,XB(F)::QAR1(B)
- S(d);N_GUARD,XP(A)::R1(D)
- P(g);P_PINQ(B),SBLOCK,XS(E)::R1(D)
- S(d);N_GUARD::R1(D),XS(d)
- S(d);N_GUARD::R1(D)
- S(d);N_GUARD,S_CUTB(c)::QAR(B)
- P(g);OGATEB::QAR(B)
- Refutation
- P(e);XB(F)
- Try
- B(F);
- Threat
- S(E)
- Vars
- Q(a);N_GUARD,XP(A)::QAR2(B),XP(g)
- S(d);N_GUARD,XP(A)::R1(D)
- P(g);P_PINQ(B),SBLOCK,XS(E)::R1(D)
- S(d);N_GUARD::R1(D),XS(d)
- S(d);N_GUARD::R1(D)
- S(d);N_GUARD,S_CUTB(c)::QAR(B)
- Refutation
- P(g);
- Try
- B(F);
- Threat
- S(E)
- Vars
- Q(a);N_GUARD,XP(A)::QAR2(B),XP(g)
- S(d);N_GUARD,XP(A)::R1(D)
- S(d);N_GUARD,XB(F)::R1(D)
- S(d);N_GUARD::R1(D),XS(d)
- S(d);N_GUARD::R1(D)
- S(d);N_GUARD,S_CUTB(c)::QAR(B)
- Refutation
- P(g);P_PINQ(B),XS(E)
- Try
- B(F);
- Threat
- S(E)
- Vars
- S(d);N_GUARD,XP(A)::R1(D)
- S(d);N_GUARD::R1(D),XS(d)
- S(d);N_GUARD::R1(D)
- S(d);N_GUARD,S_CUTB(c)::QAR(B)
- Refutation
- Q(a);XP(A)
- Try
- B(F);
- Threat
- S(E)
- Vars
- S(d);N_GUARD,XP(A)::R1(D)
- P(g);P_PINQ(B),SBLOCK,XS(E)::R1(D)
- S(d);N_GUARD::R1(D),XS(d)
- S(d);N_GUARD::R1(D)
- Refutation
- Q(a);XP(A)
- Try
- Actual
- B(F);
- Threat
- S(E)
- Vars
- Q(a);N_GUARD,XP(A)::QAR2(B),XP(g)
- S(d);N_GUARD,XP(A)::R1(D)
- P(g);P_PINQ(B),SBLOCK,XS(E)::R1(D)
- S(d);N_GUARD::R1(D),XS(d)
- B(c);N_GUARD::QAR1(B)
- S(d);N_GUARD::R1(D)
- S(d);N_GUARD,S_CUTB(c)::QAR(B)
- P(g);OGATEB::QAR(B)
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