MESON Chess Problem Database
Problem Display
PID: 37179 (3b4/1BP4K/2R1p3/p1Bk3p/2npR3/2p1P3/1q4Q1/3r4 w - - 0 1)
Epifanov, Anatoly G
1st Prize, Shakhmatny Vestnik, 1993
#2
8 + 10
| 3705 | Album Russia (1992-1994) | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Rexe6#
- 1...Qc1
- 2.Rexe6#
- 1...Qa3
- 2.Rexe6#
- 1...Qb3
- 2.Rexe6#
- 1...Qb4
- 2.Rexe6#
- 1...Qb5
- 2.Rexe6#
- 1...Qb6
- 2.Rexe6#
- 1...Qxb7
- 2.Rexe6#
- 1...Se5
- 2.Rxd4#
- 1...c2
- 2.Rexe6#
- 1...e5
- 2.Rxd4#
- 1...Qa1
- Tries
- 1.Bb4?
- threat
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rcxe6#
- 1...Qxb4
- 2.Rexe6#
- 1...Sxe3
- 2.Rxc3#
- 2.cxd8Q#
- 2.cxd8R#
- 1...Sd2
- 2.Rxc3#
- 2.cxd8Q#
- 2.cxd8R#
- 1...Sa3
- 2.Rxc3#
- 2.cxd8Q#
- 2.cxd8R#
- 1...Se5
- 2.Rxd4#
- 1...Sb6
- 2.Rxc3#
- 1...Sd6
- 2.Rc5#
- 1...e5
- 2.Rxd4#
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 1...axb4!
- threat
- 1.Bxd4?
- threat
- 2.Re5#
- 2.Rb6#
- 1...Qxg2
- 2.Ra6#
- 2.Rb6#
- 2.Rcxe6#
- 1...Qxb7
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 2.Re5#
- 2.Rexe6#
- 1...Sxe3
- 2.cxd8Q#
- 2.cxd8R#
- 1...Qb1
- 2.Rb6#
- 1...Qc2
- 2.Ra6#
- 2.Rb6#
- 2.Rxe6#
- 1...Qb5
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 2.Re5#
- 2.Rexe6#
- 1...Qb6
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 2.Re5#
- 2.Rexe6#
- 2.Rxb6#
- 1...Sd2
- 2.Re5#
- 2.cxd8Q#
- 2.cxd8R#
- 1...Sa3
- 2.Re5#
- 2.cxd8Q#
- 2.cxd8R#
- 1...Se5
- 2.Rxe5#
- 1...Sb6
- 2.Re5#
- 1...Sd6
- 2.Re5#
- 2.Rc5#
- 1...e5
- 2.Rxe5#
- 2.Rb6#
- 1...Rxd4!
- threat
- 1.Bb6?
- threat
- 2.Rcxe6#
- 1...Qxb6
- 2.Rexe6#
- 1...Sxe3
- 2.cxd8Q#
- 2.cxd8R#
- 1...Qb5
- 2.Rexe6#
- 1...Sd2
- 2.cxd8Q#
- 2.cxd8R#
- 1...Sa3
- 2.cxd8Q#
- 2.cxd8R#
- 1...Se5
- 2.Rxd4#
- 1...Sd6
- 2.Rc5#
- 1...e5
- 2.Rxd4#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 1...Sxb6!
- threat
- 1.Bd6?
- threat
- 2.Rxd4#
- 2.Re5#
- 2.Rb6#
- 1...Qxg2
- 2.Ra6#
- 2.Rb6#
- 1...Qxb7
- 2.Rxd4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 2.Re5#
- 1...Sxe3
- 2.Re5#
- 1...dxe3
- 2.Rb6#
- 1...e5
- 2.Rxe5#
- 1...Qb1
- 2.Rb6#
- 1...Qc2
- 2.Ra6#
- 2.Rb6#
- 1...Qb5
- 2.Rxd4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 2.Re5#
- 1...Qb6
- 2.Rxd4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 2.Re5#
- 2.Rxb6#
- 1...Sd2
- 2.Rxd4#
- 2.Re5#
- 1...Sa3
- 2.Rxd4#
- 2.Re5#
- 1...Se5
- 2.Rxd4#
- 2.Rxe5#
- 1...Sb6
- 2.Rxd4#
- 2.Re5#
- 1...d3
- 2.Rd4#
- 2.Re5#
- 2.Rb6#
- 1...Sxd6!
- threat
- 1.Rf4+?
- 1...Ke5
- 2.Qe4#
- 1...Qxg2!
- 1...Ke5
- 1.Rcxe6+?
- 1...Qxb7
- 2.R4e5#
- 1...Kxc5!
- 1...Qxb7
- 1.c8Q?
- threat
- 2.Rb6#
- 2.Rd6#
- 2.Qxe6#
- 1...Sxe3
- 2.Qxe6#
- 1...Sd2
- 2.Qxe6#
- 1...Sa3
- 2.Qxe6#
- 1...Se5
- 2.Rxd4#
- 2.Qxe6#
- 1...Sb6
- 2.Qxe6#
- 1...Sd6
- 2.Qxe6#
- 1...Qb5
- 2.Rexe6#
- 2.Rd6#
- 2.Qxe6#
- 1...Qb6
- 2.Rexe6#
- 2.Rxb6#
- 2.Rd6#
- 2.Qxe6#
- 1...Bb6
- 2.Rxb6#
- 2.Rd6#
- 2.Rcxe6#
- 2.Rc7#
- 2.Qxe6#
- 1...Bc7
- 2.Qxe6#
- 1...e5
- 2.Rxd4#
- 2.Rb6#
- 2.Rd6#
- 2.Qe6#
- 1...Qxb7+!
- threat
- 1.c8B?
- threat
- 2.Bxe6#
- 1...Qxg2
- 2.Rc7#
- 1...e5
- 2.Be6#
- 2.Rxd4#
- 1...Qxb7+!
- threat
- 1.Bb4?
- Keys
- 1.Ba3!
- threat
- 2.Rb6#
- 2.Rd6#
- 1...Qxa3
- 2.Rexe6#
- 1...Qxb7
- 2.Rexe6#
- 1...Sxa3
- 2.cxd8Q#
- 2.cxd8R#
- 1...Sxe3
- 2.cxd8Q#
- 2.cxd8R#
- 1...Qb4
- 2.Rexe6#
- 1...Qb5
- 2.Rexe6#
- 2.Rd6#
- 1...Qb6
- 2.Rexe6#
- 2.Rxb6#
- 2.Rd6#
- 1...Sd2
- 2.cxd8Q#
- 2.cxd8R#
- 1...Se5
- 2.Rxd4#
- 1...Sb6
- 2.Rxc3#
- 1...Sd6
- 2.Rc5#
- threat
- 1.Ba3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- Q(b);N_GUARD::QAB(A)+R(C),XP(i)
- Q(b);N_GUARD,P_PINP(G),XB(F)::QAB(A)+R(C),XP(i)
- S(d);SBLOCK::QAB(A)+R(C),DCHECK,XP(e)
- P(c);S_CUTQ(b)::QAB(A)+R(C),XP(i)
- P(i);SBLOCK::QAB(A)+R(C),DCHECK,XP(e)
- Tries
- Try
- B(D);
- Threat
- DUALS(4)
- Vars
- Q(b);N_GUARD,XB(D)::QAB(A)+R(C),XP(i)
- S(d);SBLOCK::QAB(A)+R(C),DCHECK,XP(e)
- S(d);OGATE::B(F)+R(E),XP(c)
- S(d);SBLOCK::B(F)+R(E),DCHECK
- Refutation
- P(f);XB(D)
- Try
- B(D);XP(e)
- Threat
- DUALS(2)
- Vars
- S(d);N_GUARD,XP(B)::PXB(j)=Q
- Q(b);P_PINR(C)::B(F)+R(E)
- S(d);::QAB(A)+R(C),DCHECK,XS(d)
- S(d);::QAB(A)+R(C),DCHECK
- Refutation
- R(a);XB(D)
- Try
- B(D);
- Threat
- B(F)+R(E),XP(i)
- Vars
- Q(b);N_GUARD,XB(D)::QAB(A)+R(C),XP(i)
- S(d);N_GUARD,XP(B)::PXB(j)=Q
- Q(b);N_GUARD::QAB(A)+R(C),XP(i)
- S(d);N_GUARD::PXB(j)=Q
- S(d);SBLOCK::QAB(A)+R(C),DCHECK,XP(e)
- S(d);SBLOCK::B(F)+R(E),DCHECK
- Refutation
- S(d);XB(D)
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- S(d);XP(B)::QAB(A)+R(C),DCHECK
- P(e);XP(B)::B(F)+R(E)
- P(i);::QAB(A)+R(C),DCHECK,XP(i)
- Q(b);P_PINR(C)::B(F)+R(E)
- Refutation
- S(d);XB(D)
- Try
- R(C);CHECK
- Vars
- K(g);P-FLIGHT::QAR1(A)
- Refutation
- Q(b);XQ(A)
- Try
- R(E);CHECK,XP(i)
- Vars
- Q(b);P_PINP(G),XB(F)::QAB(A)+R(C),DCHECK
- Refutation
- K(g);P-FLIGHT,XB(D)
- Try
- P(G);
- Threat
- DUALS(3)
- Vars
- S(d);XP(B)::QAB1(G),XP(i)
- S(d);::QAB1(G),XP(i)
- B(j);::QAB1(G),XP(i)
- Refutation
- Q(b);CHECK,XB(F)
- Try
- P(G);
- Threat
- B(G),XP(i)
- Vars
- Q(b);N_GUARD,XQ(A)::B(F)+R(E)
- Refutation
- Q(b);CHECK,XB(F)
- Try
- Actual
- B(D);
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD,XB(D)::QAB(A)+R(C),XP(i)
- Q(b);N_GUARD,P_PINP(G),XB(F)::QAB(A)+R(C),XP(i)
- S(d);N_GUARD,XB(D)::PXB(j)=Q
- S(d);N_GUARD,XP(B)::PXB(j)=Q
- Q(b);N_GUARD::QAB(A)+R(C),XP(i)
- S(d);N_GUARD::PXB(j)=Q
- S(d);SBLOCK::QAB(A)+R(C),DCHECK,XP(e)
- S(d);OGATE::B(F)+R(E),XP(c)
- S(d);SBLOCK::B(F)+R(E),DCHECK
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