MESON Chess Problem Database
Problem Display
PID: 42946 (8/3P1p2/2R1P3/Bp2Q3/R7/nB2pK2/1PpPNbN1/3k4 w - - 0 1)
Dyachuk, Vasyl Vasilovich
2nd Prize, Israel Ring Ty., 1996-1997
#2
12 + 7
| 56 | The Problemist | 2002 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Sxe3#
- 1...Sb1
- 2.Bxc2#
- 1...Sc4
- 2.Ra1#
- 1...Be1
- Tries
- 1.Rd4?
- threat
- 2.dxe3#
- 1...exd2
- 2.Rxd2#
- 1...Be1
- 2.Sxe3#
- 1...Sb1
- 2.Bxc2#
- 1...Sc4!
- threat
- 1.Rxc2?
- threat
- 2.Sc3#
- 2.Rc1#
- 1...Sxc2
- 2.Ra1#
- 1...Sb1
- 2.Rc1#
- 2.Rcc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 1...b4!
- threat
- 1.Rd6?
- threat
- 2.dxe3#
- 1...exd2
- 2.Rxd2#
- 1...Be1
- 2.Sxe3#
- 1...Sc4
- 2.Ra1#
- 1...Sb1!
- threat
- 1.Qd6?
- threat
- 2.dxe3#
- 1...exd2
- 2.Qxd2#
- 1...Be1
- 2.Sxe3#
- 1...Sb1
- 2.Bxc2#
- 1...Sc4
- 2.Ra1#
- 1...Bg3!
- threat
- 1.Qd5?
- threat
- 2.dxe3#
- 1...exd2
- 2.Qxd2#
- 1...Be1
- 2.Sxe3#
- 1...Sb1
- 2.Bxc2#
- 1...Sc4
- 2.Ra1#
- 1...fxe6!
- threat
- 1.dxe3?
- threat
- 2.Rd4#
- 2.Rd6#
- 2.Qd4#
- 2.Qd6#
- 2.Qd5#
- 2.d8Q#
- 2.d8R#
- 1...Bxe3
- 2.Sxe3#
- 1...bxa4
- 2.Rd6#
- 2.Qd4#
- 2.Qd6#
- 2.Qd5#
- 2.d8Q#
- 2.d8R#
- 1...fxe6
- 2.Rd4#
- 2.Rd6#
- 2.Qd4#
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...b4
- 2.Rd6#
- 2.Qd4#
- 2.Qd6#
- 2.Qd5#
- 2.d8Q#
- 2.d8R#
- 1...Bg1
- 2.Rd4#
- 2.Rd6#
- 2.Qd4#
- 2.Qd6#
- 2.Qd5#
- 2.d8Q#
- 2.d8R#
- 1...Bg3
- 2.Rd4#
- 2.Rd6#
- 2.Qd4#
- 2.Qd5#
- 2.d8Q#
- 2.d8R#
- 1...Bh4
- 2.Rd4#
- 2.Rd6#
- 2.Qd4#
- 2.Qd6#
- 2.Qd5#
- 1...Sb1
- 2.Bxc2#
- 1...Sc4
- 2.Ra1#
- 1...f5
- 2.Rd4#
- 2.Rd6#
- 2.Qd4#
- 2.Qd6#
- 2.Qd5#
- 2.d8Q#
- 2.d8R#
- 1...f6
- 2.Rd4#
- 2.Rd6#
- 2.Qd4#
- 2.Qd6#
- 2.Qd5#
- 2.d8Q#
- 2.d8R#
- 1...Be1!
- threat
- 1.d8Q?
- threat
- 2.dxe3#
- 1...exd2
- 2.Qxd2#
- 1...Be1
- 2.Sxe3#
- 1...Sb1
- 2.Bxc2#
- 1...Sc4
- 2.Ra1#
- 1...Bh4!
- threat
- 1.d8R?
- threat
- 2.dxe3#
- 1...exd2
- 2.Rxd2#
- 1...Be1
- 2.Sxe3#
- 1...Sb1
- 2.Bxc2#
- 1...Sc4
- 2.Ra1#
- 1...Bh4!
- threat
- 1.Rd4?
- Keys
- 1.Qd4!
- threat
- 2.dxe3#
- 1...exd2
- 2.Qxd2#
- 1...Be1
- 2.Sxe3#
- 1...Sb1
- 2.Bxc2#
- 1...Sc4
- 2.Ra1#
- threat
- 1.Qd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(c);N_GUARD,SBLOCK::S(D),XP(e)
- S(d);N_GUARD::B(E),XP(b)
- S(d);OGATE::R(G)
- Tries
- Try
- R(G);
- Threat
- R(G)+P(B),XP(e)
- Vars
- P(e);OGATE,XP(B)::R1(G),XP(e)
- B(c);N_GUARD,SBLOCK::S(D),XP(e)
- S(d);N_GUARD::B(E),XP(b)
- Refutation
- S(d);
- Try
- R(J);XP(b)
- Threat
- DUALS(2)
- Vars
- S(d);OGATE,P_SPINS(d),XR(J)::R(G)
- Refutation
- P(f);
- Try
- R(J);
- Threat
- R(J)+P(B),XP(e)
- Vars
- P(e);OGATE,XP(B)::R1(J),XP(e)
- B(c);N_GUARD,SBLOCK::S(D),XP(e)
- S(d);OGATE::R(G)
- Refutation
- S(d);
- Try
- Q(I);
- Threat
- QAR(I)+P(B),XP(e)
- Vars
- P(e);OGATE,XP(B)::QAR1(I),XP(e)
- B(c);N_GUARD,SBLOCK::S(D),XP(e)
- S(d);N_GUARD::B(E),XP(b)
- S(d);OGATE::R(G)
- Refutation
- B(c);
- Try
- Q(I);
- Threat
- QAR(I)+P(B),XP(e)
- Vars
- P(e);OGATE,XP(B)::QAR1(I),XP(e)
- B(c);N_GUARD,SBLOCK::S(D),XP(e)
- S(d);N_GUARD::B(E),XP(b)
- S(d);OGATE::R(G)
- Refutation
- P(g);XP(K)
- Try
- P(B);XP(e)
- Threat
- DUALS(7)
- Vars
- B(c);XP(B)::S(D),XB(c)
- S(d);N_GUARD::B(E),XP(b)
- S(d);OGATE::R(G)
- Refutation
- B(c);
- Try
- P(L);
- Threat
- QAR(L)+P(B),XP(e)
- Vars
- P(e);OGATE,XP(B)::QAR1(L),XP(e)
- B(c);N_GUARD,SBLOCK::S(D),XP(e)
- S(d);N_GUARD::B(E),XP(b)
- S(d);OGATE::R(G)
- Refutation
- B(c);
- Try
- P(L);
- Threat
- R(L)+P(B),XP(e)
- Vars
- P(e);OGATE,XP(B)::R1(L),XP(e)
- B(c);N_GUARD,SBLOCK::S(D),XP(e)
- S(d);N_GUARD::B(E),XP(b)
- S(d);OGATE::R(G)
- Refutation
- B(c);
- Try
- Actual
- Q(I);
- Threat
- QAR(I)+P(B),XP(e)
- Vars
- P(e);OGATE,XP(B)::QAR1(I),XP(e)
- B(c);N_GUARD,SBLOCK::S(D),XP(e)
- S(d);N_GUARD::B(E),XP(b)
- S(d);OGATE::R(G)
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