MESON Chess Problem Database
Problem Display
PID: 81874 (4B3/1p6/bb2p3/2k1N3/1RN5/Kp1R4/1B2p1rn/7Q w - - 0 1)
Chepizhni, Viktor Ivanovich
5th Prize, Uralski Problemist, 2006
#2
8 + 9
| 56 | The Problemist | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Sd7#
- 2.Bd4#
- 2.Qxg1#
- 1...Rf2
- 2.Sd7#
- 2.Bd4#
- 1...Rg3
- 2.Sd7#
- 2.Bd4#
- 1...Rg4
- 2.Sd7#
- 1...Rg5
- 2.Sd7#
- 2.Bd4#
- 1...Rg6
- 2.Sd7#
- 2.Bd4#
- 1...Rg7
- 2.Bd4#
- 1...Rg8
- 2.Sd7#
- 2.Bd4#
- 1...Bxc4
- 2.Rxc4#
- 1...Bb5
- 2.Rxb5#
- 1...Rg1
- Tries
- 1.Sd2?
- threat
- 2.Sxb3#
- 2.Se4#
- 1...e1Q
- 2.Sxb3#
- 1...e1R
- 2.Sxb3#
- 1...Rg4
- 2.Sxb3#
- 2.Sd7#
- 1...Bc4
- 2.Se4#
- 2.Rxc4#
- 1...Bxd3!
- threat
- 1.Sxb6?
- threat
- 2.Sa4#
- 2.Sbd7#
- 1...Bb5
- 2.Rxb5#
- 1...Rg7
- 2.Sa4#
- 1...Bxd3!
- threat
- 1.Bb5?
- threat
- 2.Sd7#
- 1...Rg7
- 2.Bd4#
- 1...Bxb5!
- threat
- 1.Bc6?
- threat
- 2.Bd4#
- 1...Bxc4
- 2.Rxc4#
- 1...bxc6
- 2.Sd7#
- 1...Rg4
- 2.Sd7#
- 1...Sf3!
- threat
- 1.Rd4?
- threat
- 2.Sd3#
- 1...Bxc4
- 2.Rbxc4#
- 1...Rg3
- 2.Sd7#
- 1...e1S!
- threat
- 1.Rd5+?
- 1...exd5
- 2.Sd3#
- 1...Kxd5!
- 1...exd5
- 1.Rd6?
- threat
- 2.Sd3#
- 2.Sd7#
- 2.Bd4#
- 1...e1S
- 2.Sd7#
- 2.Bd4#
- 1...Rg3
- 2.Sd7#
- 2.Bd4#
- 1...Rg4
- 2.Sd3#
- 2.Sd7#
- 1...Rg7
- 2.Sd3#
- 2.Bd4#
- 1...Bb5
- 2.Sd3#
- 2.Bd4#
- 2.Rxb5#
- 1...Sf3
- 2.Sd3#
- 2.Sd7#
- 1...Bxc4!
- threat
- 1.Rd7?
- threat
- 2.Bd4#
- 1...Rg4
- 2.Sd3#
- 1...Sf3!
- threat
- 1.Rd8?
- threat
- 2.Sd3#
- 2.Bd4#
- 1...Bxc4
- 2.Bd4#
- 2.Rxc4#
- 1...e1S
- 2.Bd4#
- 1...Rg3
- 2.Sd7#
- 2.Bd4#
- 1...Rg4
- 2.Sd3#
- 2.Sd7#
- 1...Sf3
- 2.Sd3#
- 1...Bxd8!
- threat
- 1.Qxg2?
- threat
- 2.Sd7#
- 2.Bd4#
- 2.Qg1#
- 2.Qf2#
- 1...Bxc4
- 2.Sd7#
- 2.Rxc4#
- 2.Qg1#
- 2.Qf2#
- 1...e1Q
- 2.Sd7#
- 2.Bd4#
- 1...e1B
- 2.Sd7#
- 2.Bd4#
- 1...e1R
- 2.Sd7#
- 2.Bd4#
- 1...Bb5
- 2.Bd4#
- 2.Rxb5#
- 2.Qg1#
- 2.Qf2#
- 1...Sf1
- 2.Sd7#
- 2.Bd4#
- 1...Sg4
- 2.Sd7#
- 2.Bd4#
- 1...Sf3!
- threat
- 1.Qg1+?
- 1...Rf2
- 2.Qxf2#
- 1...Rxg1!
- 1...Rf2
- 1.Sd2?
- Keys
- 1.Ba4!
- threat
- 2.Sd7#
- 1...Rg7
- 2.Bd4#
- 1...Bb5
- 2.Rxb5#
- threat
- 1.Ba4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- R(b);::S(G)
- R(b);::B(B)
- B(f);OGATE,XS(F)::R1(E),XB(f)
- B(f);N_GUARD::R1(E),XB(f)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- P(a);::S(F),XP(d)
- Refutation
- B(f);XR(D)
- Try
- S(F);XB(g)
- Threat
- DUALS(2)
- Vars
- B(f);N_GUARD::R1(E),XB(f)
- R(b);::S(F)
- Refutation
- B(f);XR(D)
- Try
- B(H);
- Threat
- S(G)
- Vars
- R(b);::B(B)
- Refutation
- B(f);XB(H)
- Try
- B(H);
- Threat
- B(B)
- Vars
- B(f);OGATE,XS(F)::R1(E),XB(f)
- P(i);SBLOCK,XB(H)::S(G)
- R(b);::S(G)
- Refutation
- S(c);
- Try
- R(D);
- Threat
- S(G)
- Vars
- B(f);OGATE,XS(F)::R1(E),XB(f)
- R(b);::S(G)
- Refutation
- P(a);
- Try
- R(D);CHECK
- Vars
- P(h);SBLOCK,XR(D)::S(G)
- Refutation
- K(e);P-FLIGHT,P_SPINR(b),XR(D)
- Try
- R(D);
- Threat
- DUALS(3)
- Refutation
- B(f);XS(F)
- Try
- R(D);
- Threat
- B(B)
- Vars
- R(b);::S(G)
- Refutation
- S(c);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- P(a);::B(B)
- S(c);::S(G)
- Refutation
- B(g);XR(D)
- Try
- Q(A);XR(b)
- Threat
- DUALS(4)
- Refutation
- S(c);
- Try
- Q(A);CHECK
- Vars
- R(b);N_GUARD,P_SPINR(b)::QAB(A),XR(b)
- Refutation
- R(b);XQ(A)
- Try
- Actual
- B(H);
- Threat
- S(G)
- Vars
- R(b);::B(B)
- B(f);N_GUARD::R1(E),XB(f)
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