MESON Chess Problem Database
Problem Display
PID: 7498 (2B4K/6p1/3p4/1R1p1NQ1/p2BkN1p/8/1p2Pbn1/q2n1R2 w - - 0 1)
Shanshin, Valery Yurevich
Slesarenko, Anatoly Vasilevich
Shakhmaty, 1990
#2
9 + 11
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Qe7#
- 2.Qxg2#
- 1...Bg1
- 2.Qe7#
- 2.Qxg2#
- 1...Be3
- 2.Qe7#
- 2.Qxg2#
- 1...Bg3
- 2.Qe7#
- 1...Be1
- Tries
- 1.Sxg2?
- threat
- 2.Qf4#
- 2.Qe7#
- 2.Qg4#
- 1...Bxd4
- 2.Sxd6#
- 2.Qf4#
- 1...Qc1
- 2.Qe7#
- 1...Be3
- 2.Qe7#
- 1...Se3
- 2.Qf4#
- 2.Qe7#
- 1...Bg3!
- threat
- 1.Sd3?
- threat
- 2.Qe7#
- 2.Qxg2#
- 1...Bxd4
- 2.Sxd6#
- 2.Qxg2#
- 1...Sde3
- 2.Sxf2#
- 2.Qe7#
- 1...Se1
- 2.Qf4#
- 2.Qe7#
- 2.Qg4#
- 1...Sge3
- 2.Qf4#
- 2.Qe7#
- 1...Sf4
- 2.Qxf4#
- 1...h3
- 2.Qe7#
- 1...Bg3!
- threat
- 1.Sh3?
- threat
- 2.Qe7#
- 2.Qxg2#
- 1...Bxd4
- 2.Sxd6#
- 1...Qa3
- 2.Qe7#
- 1...Sde3
- 2.Sxf2#
- 2.Qe7#
- 1...Se1
- 2.Qf4#
- 2.Qe7#
- 2.Qg4#
- 1...Sge3
- 2.Qf4#
- 2.Qe7#
- 1...Sf4
- 2.Qxf4#
- 1...Bg3!
- threat
- 1.Sxd5?
- threat
- 2.Qe7#
- 2.Qxg2#
- 1...Bxd4
- 2.Sxd6#
- 1...Qa3
- 2.Qe7#
- 1...Sde3
- 2.Sc3#
- 2.Qe7#
- 1...Se1
- 2.Qf4#
- 2.Qe7#
- 2.Qg4#
- 1...Sge3
- 2.Qf4#
- 2.Qe7#
- 1...Sf4
- 2.Qxf4#
- 1...h3
- 2.Qe7#
- 1...Bg3!
- threat
- 1.Sh5?
- threat
- 2.Qe7#
- 2.Qxg2#
- 1...Bxd4
- 2.Sxd6#
- 1...Qa3
- 2.Qe7#
- 1...Sde3
- 2.Qe7#
- 1...Se1
- 2.Qf4#
- 2.Qe7#
- 2.Qg4#
- 1...Sge3
- 2.Qf4#
- 2.Qe7#
- 1...Sf4
- 2.Qxf4#
- 1...h3
- 2.Qe7#
- 1...Bg3!
- threat
- 1.Sg6?
- threat
- 2.Qe7#
- 2.Qxg2#
- 1...Bxd4
- 2.Sxd6#
- 2.Qxg2#
- 1...Qa3
- 2.Qe7#
- 1...Sde3
- 2.Qe7#
- 1...Se1
- 2.Qf4#
- 2.Qe7#
- 2.Qg4#
- 1...Sge3
- 2.Qf4#
- 2.Qe7#
- 1...Sf4
- 2.Qxf4#
- 1...h3
- 2.Qe7#
- 1...Bg3!
- threat
- 1.Rxf2?
- threat
- 2.Qe7#
- 2.Qxg2#
- 1...Sxf4
- 2.Rxf4#
- 2.Qxf4#
- 1...Qa3
- 2.Qe7#
- 1...Sde3
- 2.Qe7#
- 1...Se1
- 2.Qe7#
- 1...Sge3
- 2.Qe7#
- 1...h3
- 2.Qe7#
- 1...Sxf2!
- threat
- 1.Rxd5?
- threat
- 2.Sxd6#
- 1...Bxd4
- 2.Qxg2#
- 1...Qa3!
- threat
- 1.Qg4?
- threat
- 2.Sxg2#
- 2.Qf3#
- 1...Sxf4
- 2.Qf3#
- 1...Bg3
- 2.Qf3#
- 1...Qc1
- 2.Qf3#
- 1...Qa3
- 2.Sxg2#
- 1...Be3
- 2.Qf3#
- 2.Qxg2#
- 1...Sde3
- 2.Qf3#
- 1...Se1
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sxd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 1...Sge3
- 2.Qf3#
- 1...Bxd4!
- threat
- 1.Sxg2?
- Keys
- 1.Rb4!
- threat
- 2.Sxd6#
- 1...Bxd4
- 2.Qe7#
- threat
- 1.Rb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(d);::QAR(G)
- Tries
- Try
- S(D);XS(e)
- Threat
- DUALS(3)
- Vars
- Q(a);::QAR(G)
- B(d);::QAR(G)
- Refutation
- B(d);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(e);N_GUARD::QAR1(G),XS(e)
- P(h);::QAR(G)
- Refutation
- B(d);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(d);SBLOCK,XB(C)::S(F),XP(j)
- Q(a);::QAR(G)
- S(e);N_GUARD::QAR1(G),XS(e)
- Refutation
- B(d);
- Try
- S(D);XP(i)
- Threat
- DUALS(2)
- Vars
- B(d);SBLOCK,XB(C)::S(F),XP(j)
- Q(a);::QAR(G)
- S(e);N_GUARD::QAR1(G),XS(e)
- P(h);::QAR(G)
- Refutation
- B(d);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(d);SBLOCK,XB(C)::S(F),XP(j)
- Q(a);::QAR(G)
- S(b);::QAR(G)
- S(e);N_GUARD::QAR1(G),XS(e)
- P(h);::QAR(G)
- Refutation
- B(d);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(a);::QAR(G)
- S(b);::QAR(G)
- S(e);N_GUARD::QAR1(G),XS(e)
- P(h);::QAR(G)
- Refutation
- B(d);
- Try
- R(A);XB(d)
- Threat
- DUALS(2)
- Vars
- Q(a);::QAR(G)
- S(b);::QAR(G)
- S(e);::QAR(G)
- P(h);::QAR(G)
- Refutation
- S(b);XR(A)
- Try
- R(E);XP(i)
- Threat
- S(F),XP(j)
- Vars
- B(d);XB(C)::QAB(G),XS(e)
- Refutation
- Q(a);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(e);P_SPINS(e),XS(D)::QAB1(G)
- B(d);::QAB1(G)
- Q(a);::QAB1(G)
- Q(a);::QAR(G)+S(D),XS(e)
- S(b);::QAB1(G)
- S(e);::QAB1(G)
- Refutation
- B(d);XB(C)
- Try
- Actual
- R(E);
- Threat
- S(F),XP(j)
- Vars
- B(d);P_SPINB(d),XB(C)::QAR(G)
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