MESON Chess Problem Database
Problem Display
PID: 135052 (1nB5/r7/1RN1Pp2/1n1k1p1b/1Bp1RK2/p2rpN2/6Q1/8 w - - 0 1)
Dyachuk, Vasyl Vasilovich
2nd Comm., Probleemblad, 2009
#2
9 + 11
| 102 | Probleemblad | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Ra4
- 2.Se7#
- 1...Ra5
- 2.Se7#
- 1...Ra6
- 2.Se7#
- 1...Re7
- 2.Sxe7#
- 1...Ra8
- 2.Se7#
- 1...Sc7
- 2.Se7#
- 1...Sxc6
- 2.Rxb5#
- 1...Sd7
- 2.Se7#
- 1...c3
- 2.Qa2#
- 1...Ra4
- Tries
- 1.Se1?
- threat
- 2.Rd4#
- 2.Re5#
- 1...Sxc6
- 2.Rxb5#
- 1...fxe4
- 2.Qxe4#
- 1...Rd4
- 2.Rxd4#
- 1...Rd7
- 2.Re5#
- 1...Sd4
- 2.Rxd4#
- 2.Re5#
- 1...Sd7
- 2.Se7#
- 2.Re5#
- 1...c3
- 2.Rd4#
- 2.Qa2#
- 1...Bf3!
- threat
- 1.Sg1?
- threat
- 2.Rd4#
- 2.Re5#
- 1...Sxc6
- 2.Rxb5#
- 1...fxe4
- 2.Qxe4#
- 1...Rd4
- 2.Rxd4#
- 1...Rd7
- 2.Re5#
- 1...Sd4
- 2.Rxd4#
- 2.Re5#
- 1...Sd7
- 2.Se7#
- 2.Re5#
- 1...c3
- 2.Rd4#
- 2.Qa2#
- 1...Bf3!
- threat
- 1.Sd2?
- threat
- 2.Rd4#
- 2.Re5#
- 1...Sxc6
- 2.Rxb5#
- 1...fxe4
- 2.Qxe4#
- 1...Rd4
- 2.Rxd4#
- 1...Rd7
- 2.Re5#
- 1...Sd4
- 2.Rxd4#
- 2.Re5#
- 1...Sd7
- 2.Se7#
- 2.Re5#
- 1...Bf3!
- threat
- 1.Sh2?
- threat
- 2.Rd4#
- 2.Re5#
- 1...Sxc6
- 2.Rxb5#
- 1...fxe4
- 2.Qxe4#
- 1...Rd4
- 2.Rxd4#
- 1...Rd7
- 2.Re5#
- 1...Sd4
- 2.Rxd4#
- 2.Re5#
- 1...Sd7
- 2.Se7#
- 2.Re5#
- 1...c3
- 2.Rd4#
- 2.Qa2#
- 1...Bf3!
- threat
- 1.Sh4?
- threat
- 2.Rd4#
- 2.Re5#
- 1...Sxc6
- 2.Rxb5#
- 1...fxe4
- 2.Qxe4#
- 1...Rd4
- 2.Rxd4#
- 1...Rd7
- 2.Re5#
- 1...Sd4
- 2.Rxd4#
- 2.Re5#
- 1...Sd7
- 2.Se7#
- 2.Re5#
- 1...c3
- 2.Rd4#
- 2.Qa2#
- 1...Bf3!
- threat
- 1.Sfe5?
- threat
- 2.Rd4#
- 2.Rxb5#
- 1...fxe5+
- 2.Rxe5#
- 1...Sxc6
- 2.Rxb5#
- 1...fxe4
- 2.Rxb5#
- 2.Qxe4#
- 1...Sd7
- 2.Se7#
- 1...Bf3
- 2.Rxb5#
- 1...Rd4
- 2.Rxd4#
- 2.Rxb5#
- 1...Ra5
- 2.Se7#
- 2.Rd4#
- 1...Rb7
- 2.Rd4#
- 1...Sc3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sd6
- 2.Rd4#
- 1...Sc7
- 2.Se7#
- 2.Rd4#
- 1...Sa6
- 2.Rd4#
- 1...Rd7!
- threat
- 1.Sxa7?
- threat
- 2.Rxb5#
- 1...Sxa7
- 2.Rd6#
- 1...Sc3
- 2.Rd6#
- 1...Sd4
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sc7
- 2.Rd6#
- 1...Sa6
- 2.Bb7#
- 1...Sd7
- 2.Bb7#
- 1...Be8!
- threat
- 1.Bb7?
- threat
- 2.Se7#
- 2.Rxb5#
- 1...Sxc6
- 2.Bxc6#
- 2.Rxb5#
- 1...fxe4
- 2.Se7#
- 1...Ra5
- 2.Se7#
- 2.Sxb8#
- 1...Sc3
- 2.Se7#
- 1...Sd4
- 2.Se7#
- 1...Sd6
- 2.Se7#
- 1...Sc7
- 2.Se7#
- 1...Sa6
- 2.Sxa7#
- 2.Se7#
- 1...Sd7
- 2.Sxa7#
- 2.Se7#
- 1...Rxb7!
- threat
- 1.Bd7?
- threat
- 2.Se7#
- 2.Rxb5#
- 1...Sxc6
- 2.Bxc6#
- 2.Rxb5#
- 1...Sxd7
- 2.Se7#
- 1...Ra5
- 2.Se7#
- 1...Rb7
- 2.Se7#
- 1...Sc3
- 2.Se7#
- 1...Sd4
- 2.Se7#
- 1...Sd6
- 2.Se7#
- 1...Sc7
- 2.Se7#
- 1...Sa6
- 2.Se7#
- 1...Rxd7!
- threat
- 1.Se1?
- Keys
- 1.Sfd4!
- threat
- 2.Re5#
- 2.Rxb5#
- 1...Rxd4
- 2.Rxd4#
- 1...Sxd4
- 2.Rxd4#
- 2.Re5#
- 1...Sxc6
- 2.Rxb5#
- 1...fxe4
- 2.Rxb5#
- 2.Qxe4#
- 1...c3
- 2.Qa2#
- 1...Bf3
- 2.Rxb5#
- 1...Ra5
- 2.Se7#
- 2.Re5#
- 1...Rb7
- 2.Re5#
- 1...Sc3
- 2.Re5#
- 1...Sd6
- 2.Re5#
- 1...Sc7
- 2.Se7#
- 2.Re5#
- 1...Sa6
- 2.Re5#
- 1...Sd7
- 2.Se7#
- 2.Re5#
- threat
- 1.Sfd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 7
- Sets
- R(j);N_GUARD::S(G)
- R(j);N_GUARD::S(G),XR(j)
- S(e);S_CUTR(j)::S(G)
- S(k);SBLOCK,XS(G)::R(F),XS(e)
- S(k);S_CUTR(j)::S(G)
- P(d);OGATEB::QAB(A)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- S(k);SBLOCK,XS(G)::R(F),XS(e)
- P(g);OGATE,P_SPINP(g),XR(D)::QAB1(A),XP(g)
- R(b);P_PINR(D)::QAB(A)+R(D),DCHECK,XR(b)
- R(j);::QAB(A)+R(D),DCHECK
- Refutation
- B(h);
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- S(k);SBLOCK,XS(G)::R(F),XS(e)
- P(g);OGATE,P_SPINP(g),XR(D)::QAB1(A),XP(g)
- R(b);P_PINR(D)::QAB(A)+R(D),DCHECK,XR(b)
- R(j);::QAB(A)+R(D),DCHECK
- Refutation
- B(h);
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- S(k);SBLOCK,XS(G)::R(F),XS(e)
- P(g);OGATE,P_SPINP(g),XR(D)::QAB1(A),XP(g)
- R(b);P_PINR(D)::QAB(A)+R(D),DCHECK,XR(b)
- R(j);::QAB(A)+R(D),DCHECK
- Refutation
- B(h);
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- S(k);SBLOCK,XS(G)::R(F),XS(e)
- P(g);OGATE,P_SPINP(g),XR(D)::QAB1(A),XP(g)
- R(b);P_PINR(D)::QAB(A)+R(D),DCHECK,XR(b)
- R(j);::QAB(A)+R(D),DCHECK
- Refutation
- B(h);
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- S(k);SBLOCK,XS(G)::R(F),XS(e)
- P(g);OGATE,P_SPINP(g),XR(D)::QAB1(A),XP(g)
- R(b);P_PINR(D)::QAB(A)+R(D),DCHECK,XR(b)
- R(j);::QAB(A)+R(D),DCHECK
- Refutation
- B(h);
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- P(i);CHECK,OGATE,XS(B)::QAB(A)+R(D),DCHECK,XP(i)
- S(k);XS(G)::R(F),XS(e)
- S(k);S_CUTR(j)::S(G)
- B(h);::R(F),XS(e)
- R(j);::QAB(A)+R(D),DCHECK
- S(e);::QAB(A)+R(D),DCHECK
- S(e);::QAB(A)+R(D),DCHECK,XS(e)
- S(k);::QAB(A)+R(D),DCHECK
- Refutation
- R(j);
- Try
- S(G);XR(j)
- Threat
- R(F),XS(e)
- Vars
- S(e);N_GUARD,XS(G)::R1(F)
- S(e);N_GUARD::R1(F)
- S(e);N_GUARD::R1(F),XS(e)
- S(k);N_GUARD::B(I)
- Refutation
- B(h);
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- P(g);XR(D)::B(I)+S(G),DCHECK
- S(e);::B(I)+S(G),DCHECK
- Refutation
- R(j);XB(I)
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- S(k);XB(I)::S(G)
- R(j);::S(G)
- S(e);::S(G)
- S(k);::S(G)
- Refutation
- R(j);XB(I)
- Try
- Actual
- S(B);
- Threat
- DUALS(2)
- Vars
- R(b);OGATE,P_PINR(D),XS(B)::QAB(A)+R(D),DCHECK,XR(b)
- S(k);XS(G)::R(F),XS(e)
- P(d);OGATEB::QAB(A)
- B(h);::R(F),XS(e)
- R(j);::QAB(A)+R(D),DCHECK
- S(e);::QAB(A)+R(D),DCHECK
- S(k);::QAB(A)+R(D),DCHECK
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