MESON Chess Problem Database
Problem Display
PID: 255051 (1K3N2/pn1p1Q2/RpkB2N1/1p1R4/1Pn3rb/6p1/8/8 w - - 0 1)
Pankratiev, Aleksandr Nikolaevich
Probleemblad, 1984
#2
8 + 10
SOLUTION
- SOUND
- Sets
- 1...Rg5
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Sb2
- 2.Se5#
- 1...Sd2
- 2.Se5#
- 1...Sa3
- 2.Se5#
- 1...Se3
- 2.Se5#
- 1...Sca5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Scxd6
- 2.Se5#
- 1...Sbxd6
- 2.Rc5#
- 1...Rg5
- Tries
- 1.Bxg3?
- threat
- 2.Qxd7#
- 1...Be7
- 2.Sxe7#
- 1...Se5
- 2.Sxe5#
- 1...Scd6
- 2.Se5#
- 1...Sc5
- 2.Rxc5#
- 1...Sbd6
- 2.Rc5#
- 1...d6
- 2.Qxb7#
- 1...Bxg3+!
- threat
- 1.Be5?
- threat
- 2.Qxd7#
- 1...Sxe5
- 2.Sxe5#
- 1...Be7
- 2.Sxe7#
- 1...Sc5
- 2.Rxc5#
- 1...Sbd6
- 2.Rc5#
- 1...d6
- 2.Qxb7#
- 1...Scd6!
- threat
- 1.Bc7?
- threat
- 2.Qxd7#
- 1...Be7
- 2.Sxe7#
- 1...Se5
- 2.Sxe5#
- 1...Scd6
- 2.Se5#
- 1...Sc5
- 2.Rxc5#
- 1...Sbd6
- 2.Rc5#
- 1...d6!
- threat
- 1.Rd3?
- threat
- 2.Qd5#
- 2.Qxd7#
- 1...Rg5
- 2.Se7#
- 2.Qxd7#
- 1...Be7
- 2.Sxe7#
- 2.Qd5#
- 1...Se3
- 2.Se5#
- 2.Qxd7#
- 1...Se5
- 2.Sxe5#
- 2.Qd5#
- 1...Sc5
- 2.Qd5#
- 1...Rd4!
- threat
- 1.Rd4?
- threat
- 2.Qd5#
- 2.Qxd7#
- 1...Rg5
- 2.Se7#
- 2.Qxd7#
- 1...Be7
- 2.Sxe7#
- 2.Qd5#
- 1...Se3
- 2.Se5#
- 2.Qxd7#
- 1...Se5
- 2.Sxe5#
- 2.Qd5#
- 1...Sc5
- 2.Qd5#
- 1...Rxd4!
- threat
- 1.Rc5+?
- 1...Kxd6
- 2.Qd5#
- 2.Qxd7#
- 1...Sxc5!
- 1...Kxd6
- 1.Re5?
- threat
- 2.Qd5#
- 2.Qxd7#
- 1...Kxd6
- 2.Qd5#
- 2.Qxd7#
- 1...Rd4
- 2.Qxd7#
- 1...Be7
- 2.Qd5#
- 1...Se3
- 2.Qxd7#
- 1...Sc5
- 2.Qd5#
- 1...Sxe5!
- threat
- 1.Rf5?
- threat
- 2.Qd5#
- 2.Qxd7#
- 1...Kxd6
- 2.Qd5#
- 2.Qxd7#
- 1...Rd4
- 2.Qxd7#
- 1...Be7
- 2.Qd5#
- 1...Se3
- 2.Qxd7#
- 1...Sc5
- 2.Qd5#
- 1...Se5!
- threat
- 1.Bxg3?
- Keys
- 1.Bf4!
- threat
- 2.Qxd7#
- 1...Be7
- 2.Sxe7#
- 1...Se5
- 2.Sxe5#
- 1...Scd6
- 2.Se5#
- 1...Sc5
- 2.Rxc5#
- 1...Sbd6
- 2.Rc5#
- 1...d6
- 2.Qxb7#
- threat
- 1.Bf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(c);S_CUTB(d)::S(E)
- B(d);N_GUARD::S(E),XB(d)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- S(b);N_GUARD,XB(D)::S(E)
- S(i);N_GUARD,SBLOCK,XB(D)::R1(B)
- Tries
- Try
- B(D);XP(a)
- Threat
- QAB1(F),XP(j)
- Vars
- B(d);N_GUARD::S(E),XB(d)
- S(b);N_GUARD::S(E),XS(b)
- S(b);N_GUARD::S(E)
- S(i);N_GUARD::R1(B),XS(i)
- S(i);N_GUARD::R1(B)
- P(j);OGATE::QAB1(F),XS(i)
- Refutation
- B(d);CHECK,XB(D)
- Try
- B(D);
- Threat
- QAB1(F),XP(j)
- Vars
- S(b);XB(D)::S(E),XS(b)
- B(d);N_GUARD::S(E),XB(d)
- S(i);N_GUARD::R1(B),XS(i)
- S(i);N_GUARD::R1(B)
- P(j);OGATE::QAB1(F),XS(i)
- Refutation
- S(b);
- Try
- B(D);
- Threat
- QAB1(F),XP(j)
- Vars
- B(d);N_GUARD::S(E),XB(d)
- S(b);N_GUARD::S(E),XS(b)
- S(b);N_GUARD::S(E)
- S(i);N_GUARD::R1(B),XS(i)
- S(i);N_GUARD::R1(B)
- Refutation
- P(j);
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- S(i);::QAB1(F)
- Refutation
- R(c);
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- S(i);::QAB1(F)
- Refutation
- R(c);XR(B)
- Try
- R(B);CHECK
- Refutation
- S(i);XR(B)
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- R(c);::QAB1(F),XP(j)
- B(d);::QAB1(F)
- S(b);::QAB1(F),XP(j)
- S(i);::QAB1(F)
- Refutation
- S(b);XR(B)
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- R(c);::QAB1(F),XP(j)
- B(d);::QAB1(F)
- S(b);::QAB1(F),XP(j)
- S(i);::QAB1(F)
- Refutation
- S(b);
- Try
- Actual
- B(D);
- Threat
- QAB1(F),XP(j)
- Vars
- B(d);N_GUARD::S(E),XB(d)
- S(b);N_GUARD::S(E),XS(b)
- S(b);N_GUARD::S(E)
- S(i);N_GUARD::R1(B),XS(i)
- S(i);N_GUARD::R1(B)
- P(j);OGATE::QAB1(F),XS(i)
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