MESON Chess Problem Database
Problem Display
PID: 67384 (6rB/8/3Pp1p1/nQPkN1N1/R7/1pp2nK1/8/b2bR3 w - - 0 1)
Chepizhni, Viktor Ivanovich
4th Prize, Hoffmann (Fritz)-70 JT, 2005
#2
9 + 10
| 23 | Die Schwalbe | 2006 |
| 6167 | Viktor Chepizhny | 2007 |
| 15174 | FIDE Album (2001-2003) | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Sg1
- 2.Rxd1#
- 1...Sh2
- 2.Rxd1#
- 1...Sh4
- 2.Rxd1#
- 1...Sxe5
- 2.Rxe5#
- 1...Sxg5
- 2.Rxd1#
- 1...Sc4
- 2.Qxc4#
- 1...Sc6
- 2.Qc4#
- 2.Qxc6#
- 1...Sb7
- 2.Qc4#
- 2.Qc6#
- 1...Sg1
- Tries
- 1.Sd3?
- threat
- 2.Sb4#
- 2.Sf4#
- 1...Rxh8
- 2.Sf4#
- 1...Rg7
- 2.Sf4#
- 1...Rf8
- 2.Sb4#
- 1...Se5
- 2.Sf4#
- 2.Rxe5#
- 1...Sc6
- 2.Sf4#
- 2.Qc4#
- 1...e5!
- threat
- 1.Sc4?
- threat
- 2.Se3#
- 2.Sb6#
- 2.c6#
- 1...Rxh8
- 2.Sb6#
- 1...Rg7
- 2.Sb6#
- 1...Se5
- 2.Se3#
- 2.Sb6#
- 1...e5
- 2.Se3#
- 2.Sb6#
- 1...Rb8
- 2.Se3#
- 1...Sd4
- 2.Se3#
- 2.Sb6#
- 2.Re5#
- 1...Sc6
- 2.Se3#
- 2.Sb6#
- 1...Sb7
- 2.Se3#
- 2.Sb6#
- 1...Sxc4!
- threat
- 1.Sg4?
- threat
- 2.Se3#
- 2.Sf6#
- 1...Rxh8
- 2.Sf6#
- 1...Sxe1
- 2.Se3#
- 2.Rd4#
- 1...Rg7
- 2.Sf6#
- 1...Rf8
- 2.Se3#
- 1...Be2
- 2.Se3#
- 1...c2
- 2.Se3#
- 1...Sc4!
- threat
- 1.Sc6?
- threat
- 2.Sb4#
- 2.Se7#
- 1...Rxh8
- 2.Se7#
- 1...Sxc6
- 2.Qc4#
- 1...Re8
- 2.Sb4#
- 1...Se5
- 2.Se7#
- 2.Rxe5#
- 2.Rd4#
- 1...e5
- 2.Se7#
- 1...Rg7!
- threat
- 1.Sxg6?
- threat
- 2.Sf4#
- 2.Se7#
- 1...Rg7
- 2.Sf4#
- 1...Re8
- 2.Sf4#
- 1...Rf8
- 2.Se7#
- 1...Sc6
- 2.Sf4#
- 2.Qc4#
- 1...e5
- 2.Se7#
- 1...Rxg6!
- threat
- 1.Se4?
- threat
- 2.Sf6#
- 2.c6#
- 1...Sxe1
- 2.c6#
- 1...Sc4
- 2.Qxc4#
- 1...Rb8
- 2.Sf6#
- 1...Rf8
- 2.c6#
- 1...Sd4
- 2.Sf6#
- 1...Sc6
- 2.Sf6#
- 2.Qc4#
- 2.Qxc6#
- 1...Sb7
- 2.Sf6#
- 2.Qc4#
- 2.Qc6#
- 2.Qxb7#
- 1...Be2!
- threat
- 1.Sxe6?
- threat
- 2.Sf4#
- 2.Sc7#
- 1...Sc4
- 2.Qxc4#
- 1...Rg7
- 2.Sf4#
- 1...Rc8
- 2.Sf4#
- 1...Rf8
- 2.Sc7#
- 1...g5
- 2.Sc7#
- 1...Kxe6!
- threat
- 1.Rxd1+?
- 1...Sd4
- 2.Rdxd4#
- 2.Raxd4#
- 1...Sd2!
- 1...Sd4
- 1.Qd3+?
- 1...Sd4
- 2.Qxd4#
- 1...Kxc5!
- 1...Sd4
- 1.Qb7+?
- 1...Kxc5
- 2.Se4#
- 1...Sc6
- 2.Qxc6#
- 1...Sxb7!
- 1...Kxc5
- 1.Sd3?
- Keys
- 1.Sd7!
- threat
- 2.Sb6#
- 2.Sf6#
- 1...Sxe1
- 2.Sb6#
- 2.Rd4#
- 1...Sc4
- 2.Qb7#
- 1...Rb8
- 2.Sf6#
- 1...Rf8
- 2.Sb6#
- 1...Be2
- 2.Sb6#
- 1...c2
- 2.Sb6#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- S(e);N_GUARD::R(A),XB(b)
- S(e);OGATE,XS(F)::R1(A),XS(e)
- S(e);N_GUARD,XS(G)::R(A),XB(b)
- S(f);N_GUARD::QAB1(D),XS(f)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- R(j);XB(I)::S(F)
- R(j);::S(F)
- Refutation
- P(h);
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- R(j);XB(I)::S(F)
- R(j);::S(F)
- Refutation
- S(f);XS(F)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- R(j);XB(I)::S(F)
- R(j);::S(F)
- B(b);::S(F)
- P(d);::S(F)
- Refutation
- S(f);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- R(j);XB(I)::S(F)
- S(f);N_GUARD,SBLOCK,XS(F)::QAB1(D)
- R(j);::S(F)
- P(h);::S(F)
- Refutation
- R(j);
- Try
- S(F);XP(i)
- Threat
- DUALS(2)
- Vars
- R(j);::S(F)
- P(h);::S(F)
- Refutation
- R(j);P_PINS(G),XS(F)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- S(e);XR(A)::QAR(D)+P(E)
- S(f);N_GUARD::QAB1(D),XS(f)
- R(j);::S(G)
- R(j);::QAR(D)+P(E)
- S(e);::S(G)
- Refutation
- B(b);
- Try
- S(G);XP(h)
- Threat
- DUALS(2)
- Vars
- S(f);N_GUARD::QAB1(D),XS(f)
- R(j);::S(G)
- P(i);::S(G)
- Refutation
- K(g);S_FLIGHT,XS(G)
- Try
- R(A);CHECK,XB(b)
- Refutation
- S(e);P_SPINS(e)
- Try
- Q(D);CHECK
- Vars
- S(e);N_GUARD,P_SPINS(e)::QAR1(D),XS(e)
- Refutation
- K(g);P-FLIGHT,XP(E)
- Try
- Q(D);CHECK
- Vars
- K(g);P-FLIGHT,XP(E)::S(G)
- S(f);N_GUARD,P_SPINS(f)::QAB1(D),XS(f)
- Refutation
- S(f);XQ(D)
- Try
- Actual
- S(F);
- Threat
- DUALS(2)
- Vars
- S(f);N_GUARD::QAB(D)
- R(j);::S(F)
- B(b);::S(F)
- P(d);::S(F)
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