MESON Chess Problem Database
Problem Display
PID: 245401 (3Q4/2R3q1/2p1B1p1/2pb4/n1NkN3/b2PR3/2KB4/6n1 w - - 0 1)
Pankratiev, Aleksandr Nikolaevich
Sachsische Zeitung, 1986
#2
9 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qf6
- 2.Qxf6#
- 1...Qh6
- 2.Qf6#
- 1...Qh8
- 2.Qxh8#
- 1...Qd7
- 2.Qf6#
- 1...Qh7
- 2.Qf6#
- 1...Qg8
- 2.Qf6#
- 1...Sb2
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sb6
- 2.Bc3#
- 1...Qf6
- Tries
- 1.Sf2?
- threat
- 2.Re4#
- 1...Qd7
- 2.Qf6#
- 1...Sc3
- 2.Bxc3#
- 1...Qe5!
- threat
- 1.Sc3?
- threat
- 2.Re4#
- 1...Sxc3
- 2.Bxc3#
- 1...Qd7
- 2.Qf6#
- 1...Qe5!
- threat
- 1.Sg3?
- threat
- 2.Re4#
- 1...Qd7
- 2.Qf6#
- 1...Sc3
- 2.Bxc3#
- 1...Qe5!
- threat
- 1.Sg5?
- threat
- 2.Re4#
- 1...Qd7
- 2.Qf6#
- 1...Sc3
- 2.Bxc3#
- 1...Qe5!
- threat
- 1.Sf6?
- threat
- 2.Re4#
- 1...Sc3
- 2.Bxc3#
- 1...Qd7!
- threat
- 1.Re1?
- threat
- 2.Be3#
- 1...Qh6
- 2.Qf6#
- 1...Bc1!
- threat
- 1.Re2?
- threat
- 2.Be3#
- 1...Qh6
- 2.Qf6#
- 1...Bc1!
- threat
- 1.Rf3?
- threat
- 2.Be3#
- 1...Qh6
- 2.Qf6#
- 1...Bc1!
- threat
- 1.Rg3?
- threat
- 2.Be3#
- 1...Qh6
- 2.Qf6#
- 1...Bc1!
- threat
- 1.Rh3?
- threat
- 2.Be3#
- 1...Qh6
- 2.Qf6#
- 1...Bc1!
- threat
- 1.Rxc6?
- threat
- 2.Qxd5#
- 1...Qd7
- 2.Qf6#
- 1...Sc3
- 2.Bxc3#
- 1...Sb6
- 2.Bc3#
- 1...Qe5!
- threat
- 1.Sf2?
- Keys
- 1.Sxc5!
- threat
- 2.Sb3#
- 1...Kxc5
- 2.Qxd5#
- 1...Bxc5
- 2.Re4#
- 1...Sxc5
- 2.Bc3#
- threat
- 1.Sxc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- Q(i);N_GUARD::QAB(I),XQ(i)
- Q(i);N_GUARD::QAB(I)
- Q(i);OGATEB::QAB(I),XQ(i)
- Q(i);N_GUARD,N_SPINB(f)::QAB(I)
- S(c);N_GUARD::B(B)
- S(c);N_GUARD::B(B),XS(c)
- Tries
- Try
- S(F);
- Threat
- R1(D)
- Vars
- Q(i);N_GUARD,N_SPINB(f)::QAB(I)
- S(c);N_GUARD::B(B),XS(c)
- Refutation
- Q(i);
- Try
- S(F);
- Threat
- R1(D)
- Vars
- S(c);OGATE,XS(F)::B(B),XS(c)
- Q(i);N_GUARD,N_SPINB(f)::QAB(I)
- Refutation
- Q(i);
- Try
- S(F);
- Threat
- R1(D)
- Vars
- Q(i);N_GUARD,N_SPINB(f)::QAB(I)
- S(c);N_GUARD::B(B),XS(c)
- Refutation
- Q(i);
- Try
- S(F);
- Threat
- R1(D)
- Vars
- Q(i);N_GUARD,N_SPINB(f)::QAB(I)
- S(c);N_GUARD::B(B),XS(c)
- Refutation
- Q(i);
- Try
- S(F);
- Threat
- R1(D)
- Vars
- S(c);N_GUARD::B(B),XS(c)
- Refutation
- Q(i);N_SPINB(f)
- Try
- R(D);
- Threat
- B(B)
- Vars
- Q(i);N_GUARD::QAB(I)
- Refutation
- B(b);
- Try
- R(D);
- Threat
- B(B)
- Vars
- Q(i);N_GUARD::QAB(I)
- Refutation
- B(b);
- Try
- R(D);
- Threat
- B(B)
- Vars
- Q(i);N_GUARD::QAB(I)
- Refutation
- B(b);
- Try
- R(D);
- Threat
- B(B)
- Vars
- Q(i);N_GUARD::QAB(I)
- Refutation
- B(b);
- Try
- R(D);
- Threat
- B(B)
- Vars
- Q(i);N_GUARD::QAB(I)
- Refutation
- B(b);
- Try
- R(H);XP(g)
- Threat
- QAR1(I),XB(f)
- Vars
- Q(i);N_GUARD,N_SPINB(f)::QAB(I)
- S(c);N_GUARD::B(B),XS(c)
- S(c);N_GUARD::B(B)
- Refutation
- Q(i);
- Try
- Actual
- S(F);XP(e)
- Threat
- S(F)
- Vars
- K(d);N_SPINB(f),P_SPINP(g),S_FLIGHT,XS(F)::QAR1(I),XB(f)
- B(b);SBLOCK,XS(F)::R1(D)
- S(c);N_GUARD,SBLOCK,XS(F)::B(B)
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