MESON Chess Problem Database
Problem Display
PID: 96645 (5K2/1p6/R1p4n/1P6/p1Nk2nB/2RN4/r1PP2B1/8 w - - 0 1)
Pustilnikov, Mikhail Borisovich
US Problem Bulletin, 1992
#2
10 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sf2
- 2.Bxf2#
- 2.Bf6#
- 1...Sh2
- 2.Bf2#
- 2.Bf6#
- 1...Se3
- 2.Bf6#
- 1...Se5
- 2.Bf2#
- 1...Sf6
- 2.Bf2#
- 2.Bxf6#
- 1...cxb5
- 2.Rd6#
- 1...c5
- 2.Rd6#
- 1...Sf2
- Tries
- 1.Scb2?
- threat
- 2.Rc4#
- 1...cxb5
- 2.Rd6#
- 1...Se3
- 2.Bf6#
- 1...Se5
- 2.Bf2#
- 1...Rxb2!
- threat
- 1.Sa3?
- threat
- 2.Rc4#
- 2.Rxa4#
- 1...Rxc2
- 2.Sxc2#
- 2.Rxa4#
- 1...cxb5
- 2.Sxb5#
- 2.Rd6#
- 1...bxa6
- 2.Rc4#
- 1...Rb2
- 2.Rc4#
- 1...Se3
- 2.Bf6#
- 1...Se5
- 2.Bf2#
- 1...c5
- 2.Rc4#
- 2.Rd6#
- 1...Rxa3!
- threat
- 1.Se3?
- threat
- 2.Rc4#
- 1...Rxc2
- 2.Sxc2#
- 2.Rxa4#
- 1...Sxe3
- 2.Bf6#
- 1...cxb5
- 2.Rd6#
- 1...Se5!
- threat
- 1.Sa5?
- threat
- 2.Rc4#
- 1...cxb5
- 2.Rd6#
- 1...Se3
- 2.Bf6#
- 1...Se5
- 2.Bf2#
- 1...Rxc2!
- threat
- 1.Sce5?
- threat
- 2.Rc4#
- 1...Rxc2
- 2.Rxa4#
- 1...Sxe5
- 2.Bf2#
- 1...cxb5
- 2.Rd6#
- 1...Se3!
- threat
- 1.Sb6?
- threat
- 2.Rc4#
- 1...Rxc2
- 2.Rxa4#
- 1...Se3
- 2.Bf6#
- 1...Se5
- 2.Bf2#
- 1...cxb5!
- threat
- 1.Bf2+?
- 1...Se3
- 2.Bxe3#
- 1...Sxf2!
- 1...Se3
- 1.Bf6+?
- 1...Se5
- 2.Bxe5#
- 1...Sxf6!
- 1...Se5
- 1.Be7?
- threat
- 2.Bc5#
- 1...c5
- 2.Bxc5#
- 2.Rd6#
- 1...b6!
- threat
- 1.Scb2?
- Keys
- 1.Sd6!
- threat
- 2.Rc4#
- 1...Rxc2
- 2.Rxa4#
- 1...cxb5
- 2.Sxb5#
- 1...Se3
- 2.Bf6#
- 1...Se5
- 2.Bf2#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- S(d);N_GUARD::B(G)
- P(e);OGATE,XP(H)::R(I)
- P(e);OGATE::R(I)
- Tries
- Try
- S(F);
- Threat
- R1(D)
- Vars
- P(e);OGATE,XP(H)::R(I)
- S(d);N_GUARD::B(G)
- Refutation
- R(a);XS(F)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- P(g);XR(I)::R1(D)
- R(a);::R1(D)
- S(d);N_GUARD::B(G)
- Refutation
- R(a);XS(F)
- Try
- S(F);
- Threat
- R1(D)
- Vars
- S(d);N_GUARD,XS(F)::B(G)
- P(e);OGATE,XP(H)::R(I)
- Refutation
- S(d);
- Try
- S(F);
- Threat
- R1(D)
- Vars
- P(e);OGATE,XP(H)::R(I)
- S(d);N_GUARD::B(G)
- Refutation
- R(a);XP(A)
- Try
- S(F);
- Threat
- R1(D)
- Vars
- R(a);N_GUARD,XP(A)::R(I),XP(b)
- S(d);N_GUARD,XS(F)::B(G)
- P(e);OGATE,XP(H)::R(I)
- Refutation
- S(d);
- Try
- S(F);
- Threat
- R1(D)
- Vars
- R(a);N_GUARD,XP(A)::R(I),XP(b)
- S(d);N_GUARD::B(G)
- Refutation
- P(e);XP(H)
- Try
- B(G);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::B(G),XS(d)
- Refutation
- S(d);XB(G)
- Try
- B(G);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::B(G),XS(d)
- Refutation
- S(d);XB(G)
- Try
- B(G);
- Threat
- B(G)
- Refutation
- P(g);
- Try
- Actual
- S(F);
- Threat
- R1(D)
- Vars
- R(a);N_GUARD,XP(A)::R(I),XP(b)
- P(e);XP(H)::S(F),XP(e)
- S(d);N_GUARD::B(G)
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