MESON Chess Problem Database
Problem Display
PID: 48007 (5b2/3p2p1/1pN1P3/p5R1/P1kP1Qp1/2p4q/P1N1P1PP/1K6 w - - 0 1)
Chepizhni, Viktor Ivanovich
HM., Neue Zurcher Zeitung, 1986
#2
12 + 9
| 3297 | FIDE Album (1986-1988) | 1995 |
| 6167 | Viktor Chepizhny | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Qxg2
- 2.Se3#
- 1...Qxh2
- 2.Se3#
- 1...Qe3
- 2.Sxe3#
- 1...Qh4
- 2.Se3#
- 1...Qh5
- 2.Se3#
- 1...Qh6
- 2.Se3#
- 1...Qh8
- 2.Se3#
- 1...Ba3
- 2.Sxa3#
- 1...Bc5
- 2.dxc5#
- 1...g3
- 2.Se3#
- 1...b5
- 2.Sxa5#
- 1...d5
- 2.Se5#
- 1...d6
- 2.Sa3#
- 1...Qxg2
- Tries
- 1.Qe5?
- threat
- 2.Qb5#
- 2.Qd5#
- 1...Qxg2
- 2.Se3#
- 2.Qb5#
- 1...dxe6
- 2.Qb5#
- 2.Qxe6#
- 1...Qf3
- 2.Qb5#
- 1...Bc5
- 2.Qd5#
- 1...b5
- 2.Sxa5#
- 2.Qxb5#
- 2.Qd5#
- 1...d5
- 2.Qxd5#
- 1...dxc6!
- threat
- 1.Qd6?
- threat
- 2.Sa3#
- 2.Se5#
- 2.Qd5#
- 1...Qxg2
- 2.Sa3#
- 2.Se3#
- 2.Se5#
- 1...Qxh2
- 2.Sa3#
- 2.Se3#
- 2.Qd5#
- 1...dxc6
- 2.Sa3#
- 1...dxe6
- 2.Sa3#
- 2.Se5#
- 2.Qxe6#
- 1...Qd3
- 2.Se5#
- 2.Qd5#
- 1...Qe3
- 2.Sa3#
- 2.Sxe3#
- 2.Qd5#
- 1...Qf3
- 2.Sa3#
- 2.Se5#
- 1...Qg3
- 2.Sa3#
- 2.Qd5#
- 1...Qh7
- 2.Se5#
- 2.Qd5#
- 1...Bxd6!
- threat
- 1.Qe4?
- threat
- 2.Se5#
- 2.Qd5#
- 1...Qxg2
- 2.Se3#
- 2.Se5#
- 2.Qd3#
- 1...Qxh2
- 2.Se3#
- 2.Qd3#
- 2.Qd5#
- 1...dxe6
- 2.Se5#
- 2.Qxe6#
- 1...Qf3
- 2.Se5#
- 1...Qg3
- 2.Qd5#
- 1...Bd6
- 2.Qd5#
- 1...d5
- 2.Se5#
- 2.Qxd5#
- 1...d6
- 2.Sa3#
- 2.Qd5#
- 1...dxc6!
- threat
- 1.Qf5?
- threat
- 2.Qb5#
- 2.Qd5#
- 1...Qxg2
- 2.Se3#
- 2.Qd3#
- 2.Qb5#
- 1...dxe6
- 2.Qxe6#
- 2.Qb5#
- 1...Qf3
- 2.Qb5#
- 1...Bc5
- 2.Qd5#
- 1...b5
- 2.Sxa5#
- 2.Qxb5#
- 2.Qd5#
- 1...d5
- 2.Se5#
- 2.Qxd5#
- 1...dxc6!
- threat
- 1.Qf7?
- threat
- 2.exd7#
- 1...Qxg2
- 2.Se3#
- 1...dxc6
- 2.e7#
- 1...dxe6
- 2.Qxe6#
- 1...Qe3
- 2.Sxe3#
- 1...Qh5
- 2.Se3#
- 1...Qh6
- 2.Se3#
- 1...g3
- 2.Se3#
- 1...d5
- 2.Se5#
- 1...d6
- 2.Sa3#
- 1...Qf3!
- threat
- 1.exd7?
- threat
- 2.Qf7#
- 1...Qxg2
- 2.Se3#
- 1...Qe3
- 2.Sxe3#
- 1...Qh5
- 2.Se3#
- 1...Qh6
- 2.Se3#
- 1...g3
- 2.Se3#
- 1...Qf3!
- threat
- 1.Qe5?
- Keys
- 1.Qf1!
- threat
- 2.e3#
- 1...Qxg2
- 2.Se3#
- 1...Qd3
- 2.exd3#
- 1...Qe3
- 2.Sxe3#
- 1...Qf3
- 2.exf3#
- 1...Qh7
- 2.e4#
- threat
- 1.Qf1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 11
- Sets
- Q(b);N_GUARD,XP(E)::S(C)
- Q(b);N_GUARD,XP(F)::S(C)
- Q(b);N_GUARD::S(C),XQ(b)
- Q(b);N_GUARD::S(C)
- B(i);N_GUARD::S(C),XB(i)
- B(i);OGATE::QAR(I)+P(H),XB(i)
- P(d);S_CUTQ(b)::S(C)
- P(f);N_GUARD::S(K),XP(e)
- P(g);SBLOCK::S(K)
- P(g);S_CUTB(i)::S(C)
- Tries
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- Q(b);::QAB1(I)
- B(i);::QAB1(I)
- P(g);::QAB1(I),XP(g)
- Refutation
- P(g);XS(K)
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- P(g);XS(K)::S(C)
- Refutation
- B(i);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- Q(b);::S(K)
- Q(b);::QAB1(I)
- B(i);::QAB1(I)
- Refutation
- P(g);XS(K)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- Q(b);::QAB1(I)
- B(i);::QAB1(I)
- Refutation
- P(g);XS(K)
- Try
- Q(I);
- Threat
- QAB(I)+P(L),XP(g)
- Vars
- Q(b);N_GUARD,XP(E)::S(C)
- P(g);N_GUARD,XS(K)::QAB(I)+P(L)
- P(g);OGATE,P_SPINP(g),XP(L)::QAB(I),XP(g)
- Q(b);N_GUARD::S(C),XQ(b)
- Q(b);N_GUARD::S(C)
- P(d);S_CUTQ(b)::S(C)
- P(g);SBLOCK::S(K)
- P(g);S_CUTB(i)::S(C)
- Refutation
- Q(b);
- Try
- P(L);XP(g)
- Threat
- QAB(I)
- Vars
- Q(b);N_GUARD,XP(E)::S(C)
- Q(b);N_GUARD::S(C),XQ(b)
- Q(b);N_GUARD::S(C)
- P(d);S_CUTQ(b)::S(C)
- Refutation
- Q(b);
- Try
- Actual
- Q(I);
- Threat
- QAB(I)+P(D)
- Vars
- Q(b);N_GUARD,XP(E)::S(C)
- Q(b);OGATE,P_PINS(C)::P(D),XQ(b)
- Q(b);N_GUARD::S(C),XQ(b)
- Q(b);OGATE::QAB(I)+P(D),XQ(b)
- Q(b);N_GUARD,P_PINS(C)::QAB(I)+P(D)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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