MESON Chess Problem Database
Problem Display
PID: 174753 (N1Rnb3/3R4/B1p1N1rQ/1n4q1/KPk1P3/8/4P3/B5b1 w - - 0 1)
Zajic, Helmut
Het Belgisch Schaakbord (L'Echiquier Belge), 1982
#2
11 + 8
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Bxb5#
- 2.Qxc1#
- 1...Qd2
- 2.Bxb5#
- 1...Qe3
- 2.Bxb5#
- 1...Qf4
- 2.Bxb5#
- 1...Qh4
- 2.Bxb5#
- 2.Qc1#
- 1...Qf6
- 2.Bxb5#
- 1...Qxh6
- 2.Bxb5#
- 1...Qe7
- 2.Bxb5#
- 2.Qc1#
- 1...Qg2
- 2.Bxb5#
- 2.Qc1#
- 1...Qg3
- 2.Bxb5#
- 1...Qg4
- 2.Bxb5#
- 2.Qc1#
- 1...Qc5
- 2.Qc1#
- 1...Qd5
- 2.Qc1#
- 1...Qf5
- 2.Qc1#
- 1...Qh5
- 2.Qc1#
- 1...Bh2
- 2.Sb6#
- 2.Rd4#
- 1...Bd4
- 2.Rxd4#
- 1...Bb6
- 2.Sxb6#
- 1...c5
- 2.Sb6#
- 2.Bxb5#
- 1...Qc1
- Tries
- 1.Sc5?
- threat
- 2.Sb6#
- 1...Qxc5
- 2.Qc1#
- 1...Bxc5!
- threat
- 1.Bd4?
- threat
- 2.Sb6#
- 1...Qc5
- 2.Qc1#
- 1...Bxd4!
- threat
- 1.Rd2?
- threat
- 2.Rc2#
- 1...Qxd2
- 2.Bxb5#
- 1...Qe3
- 2.Bxb5#
- 1...Qf6
- 2.Bxb5#
- 1...Qg3
- 2.Bxb5#
- 1...Bd4
- 2.Rxd4#
- 1...Qe5!
- threat
- 1.Rd5?
- threat
- 2.Bxb5#
- 1...Qxd5
- 2.Qc1#
- 1...c5
- 2.Sb6#
- 1...Bc5!
- threat
- 1.Rxc6+?
- 1...Qc5
- 2.Sb6#
- 2.Bxb5#
- 2.Qc1#
- 1...Bc5
- 2.Sb6#
- 2.Bxb5#
- 2.Rd4#
- 1...Sxc6!
- 1...Qc5
- 1.Qxg5?
- threat
- 2.Bxb5#
- 2.Qc1#
- 2.Qxb5#
- 2.Qd5#
- 1...Bc5
- 2.Qc1#
- 2.Qxc5#
- 1...Be3
- 2.Bxb5#
- 2.Qxb5#
- 2.Qd5#
- 1...Bd4
- 2.Bxb5#
- 2.Rxd4#
- 2.Qxb5#
- 2.Qd5#
- 1...c5
- 2.Sb6#
- 2.Bxb5#
- 2.Qc1#
- 2.Qd5#
- 1...Rxg5!
- threat
- 1.Qh3?
- threat
- 2.Qb3#
- 2.Qc3#
- 2.Qd3#
- 1...Qc1
- 2.Bxb5#
- 2.Qb3#
- 2.Qd3#
- 1...Qd2
- 2.Bxb5#
- 2.Qb3#
- 1...Qe3
- 2.Bxb5#
- 1...Qf6
- 2.Bxb5#
- 2.Qb3#
- 2.Qd3#
- 1...Qg3
- 2.Bxb5#
- 1...Qd5
- 2.Qb3#
- 2.Qc3#
- 1...Qe5
- 2.Qb3#
- 2.Qd3#
- 1...Bd4
- 2.Rxd4#
- 2.Qb3#
- 2.Qd3#
- 1...Be3!
- threat
- 1.Sc5?
- Keys
- 1.Sd4!
- threat
- 2.Sb6#
- 1...Bxd4
- 2.Rxd4#
- 1...Qc5
- 2.Qc1#
- 1...c5
- 2.Bxb5#
- threat
- 1.Sd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- Q(d);N_GUARD::B(F),XS(c)
- Q(d);N_GUARD,XQ(H)::B(F),XS(c)
- Q(d);N_SPINP(e),OGATE::QAR(H)
- Q(d);OGATE::QAR(H)
- B(a);N_GUARD::R1(I),XB(a)
- B(a);N_GUARD::S(J),XB(a)
- Tries
- Try
- S(G);N_PINP(e)
- Threat
- S(J)
- Vars
- Q(d);OGATE,XS(G)::QAR(H)
- Refutation
- B(a);XS(G)
- Try
- B(A);
- Threat
- S(J)
- Vars
- Q(d);N_SPINP(e),OGATE::QAR(H)
- Refutation
- B(a);XB(A)
- Try
- R(I);
- Threat
- R(I)
- Vars
- Q(d);N_GUARD,XR(I)::B(F),XS(c)
- Q(d);N_GUARD::B(F),XS(c)
- B(a);N_GUARD::R1(I),XB(a)
- Refutation
- Q(d);
- Try
- R(I);
- Threat
- B(F),XS(c)
- Vars
- Q(d);OGATE,XR(I)::QAR(H)
- P(e);S_CUTB(a)::S(J)
- Refutation
- B(a);N_SPINP(e)
- Try
- R(K);CHECK,XP(e)
- Refutation
- S(g);XR(K)
- Try
- Q(H);XQ(d)
- Threat
- DUALS(4)
- Refutation
- R(f);XQ(H)
- Try
- Q(H);
- Threat
- DUALS(3)
- Vars
- Q(d);N_GUARD::B(F),XS(c)
- Refutation
- B(a);
- Try
- Actual
- S(G);
- Threat
- S(J)
- Vars
- B(a);OGATE,XS(G)::R1(I),XB(a)
- Q(d);N_SPINP(e),OGATE::QAR(H)
- P(e);S_CUTQ(d)::B(F),XS(c)
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