MESON Chess Problem Database
Problem Display
PID: 168440 (1RNN4/8/p6r/k3p3/2B5/KP2B3/n3r2q/2R2Q1b w - - 0 1)
Pankratiev, Aleksandr Nikolaevich
Petite, Efren
Problemas, 1990
#2
9 + 8
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rg2
- 2.Sb7#
- 1...Rh3
- 2.Bb6#
- 1...Rh4
- 2.Bb6#
- 1...Rh5
- 2.Bb6#
- 1...Rb6
- 2.Bxb6#
- 1...Rc6
- 2.Sb7#
- 1...Rh7
- 2.Bb6#
- 1...Rh8
- 2.Bb6#
- 1...Bc6
- 2.Bb6#
- 1...Bb7
- 2.Sxb7#
- 1...Sxc1
- 2.b4#
- 1...Sc3
- 2.b4#
- 1...e4
- 2.Sb7#
- 1...Rg2
- Tries
- 1.Sc6+?
- 1...Bxc6
- 2.Bb6#
- 1...Rxc6!
- 1...Bxc6
- 1.Bd2+?
- 1...Sc3
- 2.Bxc3#
- 2.b4#
- 1...Sb4
- 2.Bxb4#
- 1...Rxd2!
- 1...Sc3
- 1.Bxe2?
- threat
- 2.Rc5#
- 1...Sxc1
- 2.Bd2#
- 2.Qe1#
- 2.b4#
- 1...Rb6
- 2.Bxb6#
- 1...Rc6
- 2.Sb7#
- 1...Bc6
- 2.Bb6#
- 1...Sc3
- 2.b4#
- 1...Qxe2!
- threat
- 1.Bd3?
- threat
- 2.Rc5#
- 1...Sxc1
- 2.b4#
- 1...Rb6
- 2.Bxb6#
- 1...Rc6
- 2.Sb7#
- 1...Bc6
- 2.Bb6#
- 1...Sc3
- 2.b4#
- 1...Rc2!
- threat
- 1.Bd5?
- threat
- 2.Rc5#
- 1...Sxc1
- 2.b4#
- 1...Rc2
- 2.Sb7#
- 1...Rc6
- 2.Sxc6#
- 1...Sc3
- 2.b4#
- 1...Rb6!
- threat
- 1.Qf3?
- threat
- 2.Sb7#
- 1...Rb6
- 2.Bxb6#
- 1...Rh7
- 2.Sc6#
- 2.Bb6#
- 1...Bxf3!
- threat
- 1.Qf8?
- threat
- 2.Qc5#
- 1...Rb6
- 2.Bxb6#
- 1...Rc6
- 2.Sb7#
- 1...Bc6
- 2.Bb6#
- 1...Sc3
- 2.Qb4#
- 2.b4#
- 1...Rd6!
- threat
- 1.Sc6+?
- Keys
- 1.Be6!
- threat
- 2.Rc5#
- 1...Sxc1
- 2.b4#
- 1...Rc2
- 2.Bb6#
- 1...Bc6
- 2.Sxc6#
- 1...Sc3
- 2.b4#
- threat
- 1.Be6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- R(c);S_CUTB(a)::S(I)
- R(h);N_GUARD::B(E)
- R(h);N_GUARD,SBLOCK::B(E)
- R(h);N_GUARD::B(E),XR(h)
- R(h);S_CUTB(a)::S(I)
- B(a);S_CUTR(h)::B(E)
- B(a);N_GUARD::S(I),XB(a)
- S(b);N_GUARD,XR(A)::P(D)
- S(b);N_GUARD::P(D)
- P(f);S_CUTB(a)::S(I)
- Tries
- Try
- S(I);CHECK
- Vars
- B(a);XS(I)::B(E)
- Refutation
- R(h);XS(I)
- Try
- B(E);CHECK
- Vars
- S(b);N_GUARD,P_SPINS(b)::B(E),XS(b)
- Refutation
- R(c);XB(E)
- Try
- B(F);XR(c)
- Threat
- R(A)
- Vars
- R(h);N_GUARD::B(E),XR(h)
- R(h);S_CUTB(a)::S(I)
- B(a);S_CUTR(h)::B(E)
- S(b);N_GUARD::P(D)
- Refutation
- Q(d);XB(F)
- Try
- B(F);
- Threat
- R(A)
- Vars
- S(b);N_GUARD,XR(A)::P(D)
- R(h);N_GUARD::B(E),XR(h)
- R(h);S_CUTB(a)::S(I)
- B(a);S_CUTR(h)::B(E)
- S(b);N_GUARD::P(D)
- Refutation
- R(c);
- Try
- B(F);
- Threat
- R(A)
- Vars
- S(b);N_GUARD,XR(A)::P(D)
- R(c);::S(I)
- R(h);N_GUARD::S(I),XR(h)
- S(b);N_GUARD::P(D)
- Refutation
- R(h);
- Try
- Q(B);
- Threat
- S(I)
- Vars
- R(h);N_GUARD::B(E),XR(h)
- Refutation
- B(a);XQ(B)
- Try
- Q(B);
- Threat
- QAR2(B)
- Vars
- R(h);N_GUARD::B(E),XR(h)
- R(h);S_CUTB(a)::S(I)
- B(a);S_CUTR(h)::B(E)
- Refutation
- R(h);
- Try
- Actual
- B(F);
- Threat
- R(A)
- Vars
- S(b);N_GUARD,XR(A)::P(D)
- R(c);::B(E)
- B(a);N_GUARD::S(I),XB(a)
- S(b);N_GUARD::P(D)
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