MESON Chess Problem Database
Problem Display
PID: 7883 (3b4/QN1K2p1/1p1p2r1/PkBp3R/2Rp2r1/1P1P1p2/p1Nq4/1n1b4 w - - 0 1)
Kopaev, Viacheslav Georgievich
Rychkov, Vladimir Nikolaevich
Probleemblad, 1994
#2
10 + 14
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Rb4#
- 1...Qe3
- 2.Rb4#
- 1...Qb4
- 2.Rxb4#
- 1...Qf4
- 2.Rb4#
- 1...Qg5
- 2.Rb4#
- 1...Qh6
- 2.Rb4#
- 1...Qxc2
- 2.Rb4#
- 1...Qe2
- 2.Rb4#
- 1...Qf2
- 2.Rb4#
- 1...Qg2
- 2.Rb4#
- 1...Qh2
- 2.Rb4#
- 1...Qxd3
- 2.Rb4#
- 1...Rg1
- 2.Sxd4#
- 1...Rg2
- 2.Sxd4#
- 1...Rg3
- 2.Sxd4#
- 1...R4g5
- 2.Sxd4#
- 1...R6g5
- 2.Sxd6#
- 1...Bh4
- 2.Qxb6#
- 1...Bg5
- 2.Qxb6#
- 1...Bf6
- 2.Sxd6#
- 2.Qxb6#
- 1...Be7
- 2.Qxb6#
- 1...Sa3
- 2.Sxa3#
- 1...Sc3
- 2.Sa3#
- 2.Rb4#
- 1...dxc4
- 2.dxc4#
- 1...Qc1
- Tries
- 1.Sb4?
- threat
- 2.Qa6#
- 1...Qxb4
- 2.Rxb4#
- 1...Bxb3!
- threat
- 1.Bb4?
- threat
- 2.Rxd5#
- 1...Qxb4
- 2.Rxb4#
- 1...R4g5
- 2.Sxd4#
- 1...R6g5
- 2.Sxd6#
- 1...Bg5
- 2.Qxb6#
- 1...Sc3
- 2.Sa3#
- 1...Qg5!
- threat
- 1.Bxd4?
- threat
- 2.Rxd5#
- 1...Rxd4
- 2.Sxd4#
- 1...Qb4
- 2.Rxb4#
- 1...Qg5
- 2.Rb4#
- 1...R6g5
- 2.Sxd6#
- 1...Bg5
- 2.Qxb6#
- 1...Sc3
- 2.Sa3#
- 2.Rb4#
- 1...R4g5!
- threat
- 1.Bxb6?
- threat
- 2.Rxd5#
- 1...Bxb6
- 2.Qxb6#
- 1...Qb4
- 2.Rxb4#
- 1...Qg5
- 2.Rb4#
- 1...R4g5
- 2.Sxd4#
- 1...R6g5
- 2.Sxd6#
- 1...Sc3
- 2.Sa3#
- 2.Rb4#
- 1...Bg5!
- threat
- 1.Bxd6?
- threat
- 2.Rxd5#
- 1...Rxd6+
- 2.Sxd6#
- 1...Qb4
- 2.Rxb4#
- 1...Qg5
- 2.Rb4#
- 1...R4g5
- 2.Sxd4#
- 1...Bg5
- 2.Qxb6#
- 1...Sc3
- 2.Sa3#
- 2.Rb4#
- 1...R6g5!
- threat
- 1.Sb4?
- Keys
- 1.Ba3!
- threat
- 2.Rxd5#
- 1...Qb4
- 2.Rxb4#
- 1...Qg5
- 2.Rb4#
- 1...R4g5
- 2.Sxd4#
- 1...R6g5
- 2.Sxd6#
- 1...Bg5
- 2.Qxb6#
- 1...Sc3
- 2.Rb4#
- threat
- 1.Ba3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 17
- Sets
- Q(d);N_GUARD::R1(D)
- Q(d);N_GUARD::R1(D),XQ(d)
- Q(d);N_GUARD,XS(A)::R1(D)
- Q(d);N_GUARD,XP(C)::R1(D)
- R(g);N_GUARD::S(A),XP(f)
- R(l);N_GUARD::S(I),XP(k)
- B(n);N_GUARD::QAR1(H),XP(j)
- S(a);N_GUARD::S(A),XS(a)
- P(i);OGATE,XR(D)::P(C),XP(i)
- Tries
- Try
- S(A);
- Threat
- QAB1(H)
- Vars
- Q(d);OGATE,XS(A)::R1(D),XQ(d)
- Refutation
- B(b);XP(B)
- Try
- B(F);P_PINP(i)
- Threat
- R(G),XP(i)
- Vars
- Q(d);OGATE,XB(F)::R1(D),XQ(d)
- R(g);N_GUARD,N_SPINP(i)::S(A),XP(f)
- R(l);N_GUARD,N_SPINP(i)::S(I),XP(k)
- B(n);N_GUARD,N_SPINP(i)::QAR1(H),XP(j)
- S(a);N_GUARD::S(A)
- Refutation
- Q(d);N_SPINP(i)
- Try
- B(F);P_PINP(i),XP(f)
- Threat
- R(G),XP(i)
- Vars
- R(g);XB(F)::S(A),XR(g)
- Q(d);N_GUARD::R1(D),XQ(d)
- Q(d);N_GUARD,N_SPINP(i)::R1(D)
- R(l);N_GUARD,N_SPINP(i)::S(I),XP(k)
- B(n);N_GUARD,N_SPINP(i)::QAR1(H),XP(j)
- Refutation
- R(g);N_SPINP(i)
- Try
- B(F);P_PINP(i),XP(j)
- Threat
- R(G),XP(i)
- Vars
- B(n);OGATE,XB(F)::QAR1(H),XB(n)
- Q(d);N_GUARD::R1(D),XQ(d)
- Q(d);N_GUARD,N_SPINP(i)::R1(D)
- R(g);N_GUARD,N_SPINP(i)::S(A),XP(f)
- R(l);N_GUARD,N_SPINP(i)::S(I),XP(k)
- Refutation
- B(n);N_SPINP(i)
- Try
- B(F);P_PINP(i),XP(k)
- Threat
- R(G),XP(i)
- Vars
- R(l);CHECK,XB(F)::S(I),XR(l)
- Q(d);N_GUARD::R1(D),XQ(d)
- Q(d);N_GUARD,N_SPINP(i)::R1(D)
- R(g);N_GUARD,N_SPINP(i)::S(A),XP(f)
- B(n);N_GUARD,N_SPINP(i)::QAR1(H),XP(j)
- Refutation
- R(l);N_SPINP(i)
- Try
- Actual
- B(F);P_PINP(i)
- Threat
- R(G),XP(i)
- Vars
- Q(d);N_GUARD::R1(D),XQ(d)
- Q(d);N_GUARD,N_SPINP(i)::R1(D)
- R(g);N_GUARD,N_SPINP(i)::S(A),XP(f)
- R(l);N_GUARD,N_SPINP(i)::S(I),XP(k)
- B(n);N_GUARD,N_SPINP(i)::QAR1(H),XP(j)
- S(a);S_CUTQ(d)::R1(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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