MESON Chess Problem Database
Problem Display
PID: 61841 (8/3prp1B/5P2/3npR1b/2P1kBP1/QN2bp2/1n1R1rP1/K3N3 w - - 0 1)
Dyachuk, Vasyl Vasilovich
1st HM., Eretria 5 Days Ty., 2005
#2
12 + 11
| 5673 | Eretria Bulletin | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Rxd2
- 2.gxf3#
- 1...Re2
- 2.gxf3#
- 1...Bxf4
- 2.Sc5#
- 1...Bc5
- 2.Sxc5#
- 1...exf4
- 2.Rxh5#
- 1...Rxd2
- Tries
- 1.Bh2?
- threat
- 2.Rf4#
- 2.Rxe5#
- 2.Rxh5#
- 1...Bxd2
- 2.Rxe5#
- 1...Bxg4
- 2.Rf4#
- 2.Rxe5#
- 1...Sxf6
- 2.Rf4#
- 2.Rxe5#
- 1...fxg2
- 2.Rf4#
- 2.Rxe5#
- 1...Bd4
- 2.Rxe5#
- 1...Bf4
- 2.Sc5#
- 1...Bc5
- 2.Sxc5#
- 2.Rxe5#
- 1...Bg5
- 2.Sc5#
- 2.Rxe5#
- 1...Bb6
- 2.Rxe5#
- 1...Bh6
- 2.Sc5#
- 2.Rxe5#
- 1...Ba7
- 2.Rxe5#
- 1...Sf4
- 2.Rxf4#
- 1...Bg6!
- threat
- 1.Bg3?
- threat
- 2.Rf4#
- 2.Rxe5#
- 2.Rxh5#
- 1...Bxd2
- 2.Rxe5#
- 1...Bxg4
- 2.Rf4#
- 2.Rxe5#
- 1...Sxf6
- 2.Rf4#
- 2.Rxe5#
- 1...fxg2
- 2.Rf4#
- 2.Rxe5#
- 1...Bd4
- 2.Rxe5#
- 1...Bf4
- 2.Sc5#
- 1...Bc5
- 2.Sxc5#
- 2.Rxe5#
- 1...Bg5
- 2.Sc5#
- 2.Rxe5#
- 1...Bb6
- 2.Rxe5#
- 1...Bh6
- 2.Sc5#
- 2.Rxe5#
- 1...Ba7
- 2.Rxe5#
- 1...Sf4
- 2.Rxf4#
- 1...Bg6!
- threat
- 1.Bh6?
- threat
- 2.Rf4#
- 2.Rxh5#
- 1...Bxd2
- 2.Rxh5#
- 1...Bxh6
- 2.Sc5#
- 1...Bxg4
- 2.Rf4#
- 1...Sxf6
- 2.Rf4#
- 1...fxg2
- 2.Rf4#
- 1...Bf4
- 2.Sc5#
- 1...Bg5
- 2.Sc5#
- 1...Bd4
- 2.Rxh5#
- 1...Bc5
- 2.Sxc5#
- 2.Rxh5#
- 1...Bb6
- 2.Rxh5#
- 1...Ba7
- 2.Rxh5#
- 1...Sf4
- 2.Rxf4#
- 1...Bg6!
- threat
- 1.Rd4+?
- 1...exd4
- 2.Sc5#
- 1...Bxd4!
- 1...exd4
- 1.Qa8?
- threat
- 2.Qxd5#
- 1...Rxd2
- 2.gxf3#
- 1...Bxf4!
- threat
- 1.g3?
- threat
- 2.Rxe5#
- 2.Rxh5#
- 1...Bxf4
- 2.Sc5#
- 1...Bxg4
- 2.Rxe5#
- 1...Sxf4
- 2.Rxf4#
- 1...Sxf6
- 2.Rxe5#
- 1...exf4
- 2.Rxh5#
- 1...Bg6!
- threat
- 1.Bh2?
- Keys
- 1.Qc5!
- threat
- 2.Qxd5#
- 1...Rxd2
- 2.gxf3#
- 1...Bxf4
- 2.Rxh5#
- 1...Bxc5
- 2.Sxc5#
- 1...Sxf4
- 2.Rxe5#
- 1...Sxf6
- 2.Qxe3#
- 1...Sc3
- 2.Qxe3#
- 1...Sb4
- 2.Qxe3#
- 1...Sb6
- 2.Qxe3#
- 1...Sc7
- 2.Qxe3#
- threat
- 1.Qc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 6
- REMOVED MATES = 2
- Sets
- R(b);N_GUARD,XR(C)::P(D),XP(d)
- R(b);N_GUARD::P(D),XP(d)
- B(c);N_GUARD,XB(H)::S(F)
- B(c);N_GUARD::S(F),XB(c)
- P(g);SBLOCK,XB(H)::B(L)+R(J),XB(h)
- Tries
- Try
- B(H);
- Threat
- DUALS(3)
- Vars
- B(c);XR(C)::B(L)+R(J),DCHECK,XP(g)
- B(c);::B(L)+R(J),DCHECK,XP(g)
- B(c);N_GUARD::S(F)
- S(f);::B(L)+R(J),DCHECK,XS(f)
- Refutation
- B(h);
- Try
- B(H);
- Threat
- DUALS(3)
- Vars
- B(c);XR(C)::B(L)+R(J),DCHECK,XP(g)
- B(c);::B(L)+R(J),DCHECK,XP(g)
- B(c);N_GUARD::S(F)
- S(f);::B(L)+R(J),DCHECK,XS(f)
- Refutation
- B(h);
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- B(c);XR(C)::B(L)+R(J),XB(h)
- B(c);N_GUARD,XB(H)::S(F)
- B(h);XP(I)::B(L)+R(J),DCHECK
- S(f);XP(K)::B(L)+R(J),DCHECK
- P(d);XP(D)::B(L)+R(J),DCHECK
- B(c);N_GUARD::S(F)
- B(c);::B(L)+R(J),XB(h)
- S(f);::B(L)+R(J),DCHECK,XS(f)
- Refutation
- B(h);
- Try
- R(C);CHECK
- Vars
- P(g);SBLOCK,XR(C)::S(F)
- Refutation
- B(c);XR(C)
- Try
- Q(E);P_PINS(f)
- Threat
- QAB1(E),XS(f)
- Vars
- R(b);N_GUARD,XR(C)::P(D),XP(d)
- Refutation
- B(c);XB(H)
- Try
- P(D);
- Threat
- DUALS(2)
- Vars
- B(c);N_GUARD,XB(H)::S(F)
- B(h);XP(I)::B(L)+R(J),DCHECK,XP(g)
- S(f);OGATE,XB(H)::B(L)+R(J),DCHECK,XS(f)
- S(f);XP(K)::B(L)+R(J),DCHECK,XP(g)
- P(g);XB(H)::B(L)+R(J),XB(h)
- Refutation
- B(h);
- Try
- Actual
- Q(E);
- Threat
- QAB1(E),XS(f)
- Vars
- R(b);N_GUARD,XR(C)::P(D),XP(d)
- B(c);SBLOCK,XB(H)::B(L)+R(J),XB(h)
- B(c);XQ(E)::S(F),XB(c)
- S(f);SBLOCK,XB(H)::B(L)+R(J),DCHECK,XP(g)
- S(f);N_GUARD,XP(K)::QAR1(E),XB(c)
- S(f);N_GUARD::QAR1(E),XB(c)
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