MESON Chess Problem Database
Problem Display
PID: 245434 (b3R3/B2r1r2/7n/1p6/1p1pp1pq/b2NkpQp/4N3/n2R1K2 w - - 0 1)
Pankratiev, Aleksandr Nikolaevich
Die Schwalbe, 1992
#2
7 + 15
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qg5
- 2.Qf2#
- 1...Qf6
- 2.Qf2#
- 1...Qe7
- 2.Qf2#
- 1...Qd8
- 2.Qf2#
- 1...Qh5
- 2.Qf2#
- 1...Rb7
- 2.Bxd4#
- 1...Rc7
- 2.Bxd4#
- 1...Rde7
- 2.Bxd4#
- 1...Rf4
- 2.Qxf4#
- 1...Rfe7
- 2.Qf4#
- 1...Rg7
- 2.Qf4#
- 1...Rh7
- 2.Qf4#
- 1...Bd5
- 2.Bxd4#
- 1...Sf5
- 2.Qf4#
- 1...Qg5
- Tries
- 1.Sdc1?
- threat
- 2.Rd3#
- 1...Qe7
- 2.Qf2#
- 1...Rde7
- 2.Bxd4#
- 1...Rfe7
- 2.Qf4#
- 1...Bxc1!
- threat
- 1.Sb2?
- threat
- 2.Rd3#
- 1...Qe7
- 2.Qf2#
- 1...Rde7
- 2.Bxd4#
- 1...Rfe7
- 2.Qf4#
- 1...Bxb2!
- threat
- 1.Sf2?
- threat
- 2.Rd3#
- 1...Rde7
- 2.Bxd4#
- 1...Rfe7
- 2.Qf4#
- 1...Qe7!
- threat
- 1.Sxb4?
- threat
- 2.Rd3#
- 1...Qe7
- 2.Qf2#
- 1...Rde7
- 2.Bxd4#
- 1...Rfe7
- 2.Qf4#
- 1...Bxb4!
- threat
- 1.Sdf4?
- threat
- 2.Rd3#
- 1...Rxf4
- 2.Qxf4#
- 1...Qe7
- 2.Qf2#
- 1...Rde7
- 2.Bxd4#
- 1...Rfe7!
- threat
- 1.Sc5?
- threat
- 2.Rd3#
- 1...Qe7
- 2.Qf2#
- 1...Rfe7
- 2.Qf4#
- 1...d3
- 2.Sxd7#
- 1...Rde7!
- threat
- 1.Rxe4+?
- 1...Kxe4
- 2.Qe5#
- 1...Bxe4!
- 1...Kxe4
- 1.Qg1+?
- 1...Qf2+
- 2.Qxf2#
- 1...f2!
- 1...Qf2+
- 1.Sdc1?
- Keys
- 1.Se1!
- threat
- 2.Rd3#
- 1...Qe7
- 2.Qf2#
- 1...Rde7
- 2.Bxd4#
- 1...Rfe7
- 2.Qf4#
- threat
- 1.Se1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 11
- Sets
- Q(j);N_GUARD::QAB1(E)
- R(m);N_GUARD::B(F),XP(g)
- R(n);N_GUARD::QAB1(E),XR(n)
- R(n);N_GUARD::QAB1(E)
- B(o);S_CUTR(m)::B(F),XP(g)
- S(l);S_CUTR(n)::QAB1(E)
- Tries
- Try
- S(D);
- Threat
- R1(A)
- Vars
- Q(j);N_GUARD::QAB1(E)
- R(m);N_GUARD::B(F),XP(g)
- R(n);N_GUARD::QAB1(E)
- Refutation
- B(b);XS(D)
- Try
- S(D);
- Threat
- R1(A)
- Vars
- Q(j);N_GUARD::QAB1(E)
- R(m);N_GUARD::B(F),XP(g)
- R(n);N_GUARD::QAB1(E)
- Refutation
- B(b);XS(D)
- Try
- S(D);
- Threat
- R1(A)
- Vars
- R(m);N_GUARD::B(F),XP(g)
- R(n);N_GUARD::QAB1(E)
- Refutation
- Q(j);
- Try
- S(D);XP(f)
- Threat
- R1(A)
- Vars
- Q(j);N_GUARD::QAB1(E)
- R(m);N_GUARD::B(F),XP(g)
- R(n);N_GUARD::QAB1(E)
- Refutation
- B(b);XS(D)
- Try
- S(D);
- Threat
- R1(A)
- Vars
- R(n);OGATE,XS(D)::QAB1(E),XR(n)
- Q(j);N_GUARD::QAB1(E)
- R(m);N_GUARD::B(F),XP(g)
- Refutation
- R(n);
- Try
- S(D);
- Threat
- R1(A)
- Vars
- Q(j);N_GUARD::QAB1(E)
- R(n);N_GUARD::QAB1(E)
- P(g);::B(F)+S(D),XR(m)
- Refutation
- R(m);
- Try
- R(G);CHECK,XP(h)
- Vars
- K(c);N_SPINP(d),P-FLIGHT,XR(G)::QAR1(E)
- Refutation
- B(o);XR(G)
- Try
- Q(E);CHECK,N_PINP(d),P_PINP(g)
- Vars
- Q(j);CHECK,N_GUARD,P_SPINQ(j)::QAB1(E),XQ(j)
- Refutation
- P(d);N_SPINP(g),P_SPINP(d)
- Try
- Actual
- S(D);
- Threat
- R1(A)
- Vars
- Q(j);N_GUARD::QAB1(E)
- R(m);N_GUARD::B(F),XP(g)
- R(n);N_GUARD::QAB1(E)
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