MESON Chess Problem Database
Problem Display
PID: 7198 (n2R3K/1pN1p2b/2p5/B1k5/1RB5/P7/2p5/1rNnr3 w - - 0 1)
Petite, Efren
6th HM., StrateGems, 1998
#2
8 + 10
| 145 | StrateGems | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sb3#
- 1...Rb3
- 2.Sxb3#
- 1...Rf1
- 2.Se6#
- 1...Rg1
- 2.Se6#
- 1...Rh1
- 2.Se6#
- 1...Re4
- 2.Sd3#
- 1...Re6
- 2.Sxe6#
- 1...Bd3
- 2.Sxd3#
- 1...Be4
- 2.Se6#
- 1...Bg8
- 2.Sd3#
- 1...Sb2
- 2.Sb3#
- 1...Se3
- 2.Se6#
- 1...Sb6
- 2.Bxb6#
- 1...Sxc7
- 2.Bb6#
- 1...b5
- 2.Sa6#
- 1...b6
- 2.Sa6#
- 1...e5
- 2.Se6#
- 1...Ra1
- Tries
- 1.Sxa8?
- threat
- 2.Bb6#
- 1...b6
- 2.Bxb6#
- 1...Rxb4!
- threat
- 1.Bf1?
- threat
- 2.Rc4#
- 1...Rxb4
- 2.axb4#
- 1...Rxf1
- 2.Se6#
- 1...Sxc7
- 2.Bb6#
- 1...Re4
- 2.Sd3#
- 1...Bd3
- 2.Sxd3#
- 1...Bg8
- 2.Sd3#
- 1...Sb2
- 2.Sb3#
- 1...Se3
- 2.Se6#
- 1...Sb6
- 2.Bxb6#
- 1...b5
- 2.Sa6#
- 1...Re2!
- threat
- 1.Be2?
- threat
- 2.Se6#
- 2.Rc4#
- 1...Rxb4
- 2.Se6#
- 2.axb4#
- 1...Sxc7
- 2.Bb6#
- 1...Bd3
- 2.Sxd3#
- 2.Se6#
- 1...Bf5
- 2.Rc4#
- 1...Bg8
- 2.Sd3#
- 1...Sb2
- 2.Sb3#
- 2.Se6#
- 1...Se3
- 2.Se6#
- 1...Sb6
- 2.Se6#
- 2.Bxb6#
- 1...b5
- 2.Sa6#
- 2.Se6#
- 1...e6
- 2.Sxe6#
- 2.Rc4#
- 1...Rxe2!
- threat
- 1.Bb3?
- threat
- 2.Rc4#
- 1...Rxb3
- 2.Sxb3#
- 1...Sxc7
- 2.Bb6#
- 1...Re4
- 2.Sd3#
- 1...Bd3
- 2.Sxd3#
- 1...Bg8
- 2.Sd3#
- 1...Se3
- 2.Se6#
- 1...Sb6
- 2.Bxb6#
- 1...b5
- 2.Sa6#
- 1...Sb2!
- threat
- 1.Ba6?
- threat
- 2.Rc4#
- 1...Rxb4
- 2.axb4#
- 1...bxa6
- 2.Sxa6#
- 1...Re4
- 2.Sd3#
- 1...Bd3
- 2.Sxd3#
- 1...Bg8
- 2.Sd3#
- 1...Sb2
- 2.Sb3#
- 1...Se3
- 2.Se6#
- 1...Sb6
- 2.Bxb6#
- 1...b5!
- threat
- 1.Be6?
- threat
- 2.Rc4#
- 1...Rxb4
- 2.axb4#
- 1...Rxe6
- 2.Sxe6#
- 1...Sxc7
- 2.Bb6#
- 1...Re4
- 2.Sd3#
- 1...Bd3
- 2.Sxd3#
- 1...Sb2
- 2.Sb3#
- 1...Sb6
- 2.Bxb6#
- 1...b5
- 2.Sa6#
- 1...Se3!
- threat
- 1.Bf7?
- threat
- 2.Rc4#
- 1...Rxb4
- 2.axb4#
- 1...Sxc7
- 2.Bb6#
- 1...Re4
- 2.Sd3#
- 1...Re6
- 2.Sxe6#
- 1...Bd3
- 2.Sxd3#
- 1...Sb2
- 2.Sb3#
- 1...Se3
- 2.Se6#
- 1...Sb6
- 2.Bxb6#
- 1...b5
- 2.Sa6#
- 1...e6!
- threat
- 1.Bg8?
- threat
- 2.Rc4#
- 1...Rxb4
- 2.axb4#
- 1...Bxg8
- 2.Sd3#
- 1...Sxc7
- 2.Bb6#
- 1...Re4
- 2.Sd3#
- 1...Re6
- 2.Sxe6#
- 1...Bd3
- 2.Sxd3#
- 1...Sb2
- 2.Sb3#
- 1...Se3
- 2.Se6#
- 1...Sb6
- 2.Bxb6#
- 1...b5
- 2.Sa6#
- 1...e6!
- threat
- 1.Sxa8?
- Keys
- 1.Ba2!
- threat
- 2.Rc4#
- 1...Rxb4
- 2.axb4#
- 1...Sxc7
- 2.Bb6#
- 1...Rb3
- 2.Sxb3#
- 1...Re4
- 2.Sd3#
- 1...Bd3
- 2.Sxd3#
- 1...Bg8
- 2.Sd3#
- 1...Sb2
- 2.Sb3#
- 1...Se3
- 2.Se6#
- 1...Sb6
- 2.Bxb6#
- 1...b5
- 2.Sa6#
- threat
- 1.Ba2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::S(A),XR(a)
- R(c);N_GUARD::S(F)
- R(c);S_CUTB(i)::S(A)
- R(c);N_GUARD::S(F),XR(c)
- B(i);N_GUARD::S(A),XB(i)
- B(i);S_CUTR(c)::S(F)
- B(i);N_GUARD::S(A)
- S(b);S_CUTR(a)::S(A)
- S(b);S_CUTR(c)::S(F)
- S(j);N_GUARD::B(E),XS(j)
- S(j);N_GUARD,XS(F)::B(E)
- P(g);N_GUARD::S(F)
- P(h);S_CUTR(c)::S(F)
- Tries
- Try
- S(F);XS(j)
- Threat
- B(E)
- Vars
- P(g);::B(E),XP(g)
- Refutation
- R(a);XR(C)
- Try
- B(D);
- Threat
- R1(C)
- Vars
- R(a);OGATE,XR(C)::P(B),XR(a)
- R(c);N_GUARD,XB(D)::S(F)
- S(j);N_GUARD,XS(F)::B(E)
- R(c);S_CUTB(i)::S(A)
- B(i);N_GUARD::S(A),XB(i)
- B(i);N_GUARD::S(A)
- S(b);S_CUTR(a)::S(A)
- S(b);S_CUTR(c)::S(F)
- S(j);N_GUARD::B(E),XS(j)
- P(g);N_GUARD::S(F)
- Refutation
- R(c);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- S(j);N_GUARD,XS(F)::B(E)
- B(i);::R1(C)
- B(i);N_GUARD::S(A)
- S(b);::S(F)
- Refutation
- R(c);XB(D)
- Try
- B(D);
- Threat
- R1(C)
- Vars
- R(a);XB(D)::S(A),XR(a)
- S(j);N_GUARD,XS(F)::B(E)
- R(c);S_CUTB(i)::S(A)
- B(i);N_GUARD::S(A),XB(i)
- B(i);N_GUARD::S(A)
- S(b);S_CUTR(c)::S(F)
- S(j);N_GUARD::B(E),XS(j)
- P(g);N_GUARD::S(F)
- Refutation
- S(b);
- Try
- B(D);
- Threat
- R1(C)
- Vars
- R(a);OGATE,XR(C)::P(B),XR(a)
- P(g);XB(D)::S(F),XP(g)
- R(c);S_CUTB(i)::S(A)
- B(i);N_GUARD::S(A),XB(i)
- B(i);N_GUARD::S(A)
- S(b);S_CUTR(a)::S(A)
- S(b);S_CUTR(c)::S(F)
- S(j);N_GUARD::B(E),XS(j)
- Refutation
- P(g);
- Try
- B(D);
- Threat
- R1(C)
- Vars
- R(a);OGATE,XR(C)::P(B),XR(a)
- R(c);XB(D)::S(F),XR(c)
- S(j);N_GUARD,XS(F)::B(E)
- R(c);S_CUTB(i)::S(A)
- B(i);N_GUARD::S(A),XB(i)
- S(b);S_CUTR(a)::S(A)
- S(j);N_GUARD::B(E),XS(j)
- P(g);N_GUARD::S(F)
- Refutation
- S(b);
- Try
- B(D);
- Threat
- R1(C)
- Vars
- R(a);OGATE,XR(C)::P(B),XR(a)
- S(j);N_GUARD,XS(F)::B(E)
- R(c);S_CUTB(i)::S(A)
- R(c);N_GUARD::S(F),XR(c)
- B(i);N_GUARD::S(A),XB(i)
- S(b);S_CUTR(a)::S(A)
- S(b);S_CUTR(c)::S(F)
- S(j);N_GUARD::B(E),XS(j)
- P(g);N_GUARD::S(F)
- Refutation
- P(h);
- Try
- B(D);
- Threat
- R1(C)
- Vars
- R(a);OGATE,XR(C)::P(B),XR(a)
- B(i);N_GUARD,XB(D)::S(A)
- S(j);N_GUARD,XS(F)::B(E)
- R(c);S_CUTB(i)::S(A)
- R(c);N_GUARD::S(F),XR(c)
- B(i);N_GUARD::S(A),XB(i)
- S(b);S_CUTR(a)::S(A)
- S(b);S_CUTR(c)::S(F)
- S(j);N_GUARD::B(E),XS(j)
- P(g);N_GUARD::S(F)
- Refutation
- P(h);
- Try
- Actual
- B(D);
- Threat
- R1(C)
- Vars
- R(a);OGATE,XR(C)::P(B),XR(a)
- S(j);N_GUARD,XS(F)::B(E)
- R(a);N_GUARD::S(A),XR(a)
- R(c);S_CUTB(i)::S(A)
- B(i);N_GUARD::S(A),XB(i)
- B(i);N_GUARD::S(A)
- S(b);S_CUTR(a)::S(A)
- S(b);S_CUTR(c)::S(F)
- S(j);N_GUARD::B(E),XS(j)
- P(g);N_GUARD::S(F)
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