MESON Chess Problem Database
Problem Display
PID: 196455 (1N1K2n1/6r1/3p4/2kB4/2PR4/8/1Q5B/r7 w - - 0 1)
Lobusov, Andrey Jakovlevic
5th HM., Suomen Shakki, 1984
#2
7 + 5
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Sa6#
- 1...Rc1
- 2.Sa6#
- 1...Rd1
- 2.Sa6#
- 1...Re1
- 2.Sa6#
- 1...Rf1
- 2.Sa6#
- 1...Rag1
- 2.Sa6#
- 1...Rh1
- 2.Sa6#
- 1...Ra6
- 2.Sxa6#
- 1...Rgg1
- 2.Sd7#
- 1...Rg2
- 2.Sd7#
- 1...Rg3
- 2.Sd7#
- 1...Rg4
- 2.Sd7#
- 1...Rg5
- 2.Sd7#
- 1...Rg6
- 2.Sd7#
- 1...Rd7+
- 2.Sxd7#
- 1...Se7
- 2.Sd7#
- 1...Rb1
- Tries
- 1.Bh1?
- threat
- 2.Bxd6#
- 1...Rd7+
- 2.Sxd7#
- 1...Ra6
- 2.Sxa6#
- 1...Rg3
- 2.Sd7#
- 1...Rg6
- 2.Sd7#
- 1...d5!
- threat
- 1.Bg2?
- threat
- 2.Bxd6#
- 1...Rd7+
- 2.Sxd7#
- 1...Ra6
- 2.Sxa6#
- 1...Rg3
- 2.Sd7#
- 1...Rg6
- 2.Sd7#
- 1...d5!
- threat
- 1.Bf3?
- threat
- 2.Bxd6#
- 1...Rd7+
- 2.Sxd7#
- 1...Ra6
- 2.Sxa6#
- 1...Rg3
- 2.Sd7#
- 1...Rg6
- 2.Sd7#
- 1...d5!
- threat
- 1.Be4?
- threat
- 2.Bxd6#
- 1...Rd7+
- 2.Sxd7#
- 1...Ra6
- 2.Sxa6#
- 1...Rg3
- 2.Sd7#
- 1...Rg6
- 2.Sd7#
- 1...d5!
- threat
- 1.Bb7?
- threat
- 2.Bxd6#
- 1...Rd7+
- 2.Sxd7#
- 1...Ra6
- 2.Sxa6#
- 1...Rg3
- 2.Sd7#
- 1...Rg6
- 2.Sd7#
- 1...d5!
- threat
- 1.Ba8?
- threat
- 2.Bxd6#
- 1...Rd7+
- 2.Sxd7#
- 1...Ra6
- 2.Sxa6#
- 1...Rg3
- 2.Sd7#
- 1...Rg6
- 2.Sd7#
- 1...d5!
- threat
- 1.Rd1?
- threat
- 2.Qb5#
- 1...Rd7+
- 2.Sxd7#
- 1...Rxd1
- 2.Sa6#
- 1...Rb1
- 2.Sa6#
- 1...Rb7
- 2.Bg1#
- 1...Ra5!
- threat
- 1.Rg4?
- threat
- 2.Qb5#
- 1...Rd7+
- 2.Sxd7#
- 1...Rxg4
- 2.Sd7#
- 1...Rb1
- 2.Sa6#
- 1...Ra5
- 2.Bg1#
- 1...Rb7!
- threat
- 1.Bh1?
- Keys
- 1.Bg1!
- threat
- 2.Qb5#
- 1...Rd7+
- 2.Sxd7#
- 1...Raxg1
- 2.Sa6#
- 1...Rgxg1
- 2.Sd7#
- 1...Rb1
- 2.Sa6#
- 1...Ra5
- 2.Rg4#
- 1...Rb7
- 2.Rd1#
- threat
- 1.Bg1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 12
- Sets
- R(a);N_GUARD::S(F)
- R(a);N_GUARD::S(F),XR(a)
- R(d);N_GUARD::S(F)
- R(d);CHECK,N_GUARD::S(F),XR(d)
- S(e);S_CUTR(d)::S(F)
- Tries
- Try
- B(E);
- Threat
- B(B),XP(c)
- Vars
- R(d);CHECK,N_GUARD::S(F),XR(d)
- R(a);N_GUARD::S(F),XR(a)
- R(d);N_GUARD::S(F)
- Refutation
- P(c);
- Try
- B(E);
- Threat
- B(B),XP(c)
- Vars
- R(d);CHECK,N_GUARD::S(F),XR(d)
- R(a);N_GUARD::S(F),XR(a)
- R(d);N_GUARD::S(F)
- Refutation
- P(c);
- Try
- B(E);
- Threat
- B(B),XP(c)
- Vars
- R(d);CHECK,N_GUARD::S(F),XR(d)
- R(a);N_GUARD::S(F),XR(a)
- R(d);N_GUARD::S(F)
- Refutation
- P(c);
- Try
- B(E);
- Threat
- B(B),XP(c)
- Vars
- R(d);CHECK,N_GUARD::S(F),XR(d)
- R(a);N_GUARD::S(F),XR(a)
- R(d);N_GUARD::S(F)
- Refutation
- P(c);
- Try
- B(E);
- Threat
- B(B),XP(c)
- Vars
- R(d);CHECK,N_GUARD::S(F),XR(d)
- R(a);N_GUARD::S(F),XR(a)
- R(d);N_GUARD::S(F)
- Refutation
- P(c);
- Try
- B(E);
- Threat
- B(B),XP(c)
- Vars
- R(d);CHECK,N_GUARD::S(F),XR(d)
- R(a);N_GUARD::S(F),XR(a)
- R(d);N_GUARD::S(F)
- Refutation
- P(c);
- Try
- R(D);
- Threat
- QAR1(A)
- Vars
- R(d);CHECK,N_GUARD::S(F),XR(d)
- R(a);N_GUARD,XR(D)::S(F)
- R(a);N_GUARD::S(F)
- R(d);N_GUARD::B(B)
- Refutation
- R(a);
- Try
- R(D);
- Threat
- QAR1(A)
- Vars
- R(d);CHECK,N_GUARD::S(F),XR(d)
- R(d);N_GUARD,XR(D)::S(F)
- R(a);N_GUARD::S(F)
- R(a);N_GUARD::B(B)
- Refutation
- R(d);
- Try
- Actual
- B(B);
- Threat
- QAR1(A)
- Vars
- R(d);CHECK,N_GUARD::S(F),XR(d)
- R(a);N_GUARD,XB(B)::S(F)
- R(d);N_GUARD,XB(B)::S(F)
- R(a);N_GUARD::S(F)
- R(a);N_GUARD::B(B)+R(D)
- R(d);N_GUARD::B(B)+R(D)
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