MESON Chess Problem Database
Problem Display
PID: 134403 (3b4/3K4/R2BN3/1ppk1np1/1P1P2Rn/2PPP3/5Q2/7b w - - 0 1)
Einat, Paz
1/2 Prize, Sunningdale TAC Ty., 2010
#2
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Bf6
- 2.Sc7#
- 1...Bc7
- 2.Sxc7#
- 1...Be7
- 2.Sc7#
- 1...Sg2
- 2.Qf3#
- 2.Qxf5#
- 2.e4#
- 1...Sf3
- 2.e4#
- 1...Sxd6
- 2.Rxd6#
- 1...cxd4
- 2.Qa2#
- 1...Bf6
- Tries
- 1.Bxc5?
- threat
- 2.Qa2#
- 1...Sxe3
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sxd4!
- threat
- 1.Rxg5?
- threat
- 2.Sf4#
- 1...Bxg5
- 2.Sc7#
- 1...Sg2
- 2.Rxf5#
- 2.Qf3#
- 2.Qxf5#
- 2.e4#
- 1...Sg6!
- threat
- 1.Rc6?
- threat
- 2.Rxc5#
- 1...cxb4
- 2.Rc5#
- 1...cxd4
- 2.Rc5#
- 2.Qa2#
- 1...c4
- 2.Rc5#
- 1...Bb6!
- threat
- 1.Qg2+?
- 1...Sxg2
- 2.e4#
- 1...Sf3
- 2.e4#
- 1...Bxg2!
- 1...Sxg2
- 1.Qh2?
- threat
- 2.Qe5#
- 1...Bf6
- 2.Sc7#
- 1...Sf3
- 2.e4#
- 1...Sg6
- 2.Qxh1#
- 1...Sg3!
- threat
- 1.Qf3+?
- 1...Sxf3
- 2.e4#
- 1...Bxf3!
- 1...Sxf3
- 1.Qf4?
- threat
- 2.Qe5#
- 1...gxf4
- 2.Sxf4#
- 1...Bf6
- 2.Sc7#
- 1...Sf3
- 2.Qe4#
- 2.e4#
- 1...Sg6!
- threat
- 1.bxc5?
- threat
- 2.Qa2#
- 1...Sxd4
- 2.Rxd4#
- 1...Sxd6
- 2.Rxd6#
- 1...b4
- 2.c4#
- 1...Sxe3!
- threat
- 1.dxc5?
- threat
- 2.Qa2#
- 1...Sxe3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sxd6!
- threat
- 1.Bxc5?
- Keys
- 1.Sxc5!
- threat
- 2.Qa2#
- 1...Sxe3
- 2.Qf7#
- 1...Sxd4
- 2.Rxd4#
- 1...Sxd6
- 2.Rxd6#
- threat
- 1.Sxc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- B(h);N_GUARD::S(J)
- B(h);N_GUARD::S(J),XB(h)
- S(b);S_CUTB(a)::P(D)
- S(f);OGATE,XB(I)::R1(H),XS(f)
- P(d);N_GUARD,XP(F)::QAB(A)
- Tries
- Try
- B(I);XP(d)
- Threat
- QAB(A)
- Vars
- S(f);N_GUARD,XP(D)::R1(H)
- S(f);N_GUARD::R1(H),XS(f)
- Refutation
- S(f);XP(F)
- Try
- R(G);P_PINS(f),XP(g)
- Threat
- S(J)
- Vars
- B(h);N_GUARD,N_SPINS(f),XR(G)::S(J)
- Refutation
- S(b);
- Try
- R(H);
- Threat
- R1(H),XP(d)
- Vars
- P(d);XP(E)::R1(H)
- P(d);::R1(H)
- Refutation
- B(h);
- Try
- Q(A);CHECK
- Vars
- S(b);XQ(A)::P(D)
- S(b);P_SPINS(b)::P(D)
- Refutation
- B(a);XQ(A)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- B(h);N_GUARD::S(J)
- S(b);S_CUTB(a)::P(D)
- S(b);N_GUARD::QAB(A),XB(a)
- Refutation
- S(f);
- Try
- Q(A);CHECK
- Vars
- S(b);XQ(A)::P(D)
- Refutation
- B(a);XQ(A)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- P(g);XQ(A)::S(J),XP(g)
- B(h);N_GUARD::S(J)
- Refutation
- S(b);
- Try
- P(E);XP(d)
- Threat
- QAB(A)
- Vars
- S(f);OGATE,XP(F)::R1(G),XS(f)
- S(f);OGATE,XB(I)::R1(H),XS(f)
- P(c);N_GUARD::P(B)
- Refutation
- S(f);XP(D)
- Try
- P(F);XP(d)
- Threat
- QAB(A)
- Vars
- S(f);N_GUARD,XP(D)::R1(G)
- S(f);N_GUARD::R1(G),XS(f)
- Refutation
- S(f);XB(I)
- Try
- Actual
- S(J);XP(d)
- Threat
- QAB(A)
- Vars
- S(f);OGATE,XP(D)::QAB(A)
- S(f);OGATE,XP(F)::R1(G),XS(f)
- S(f);OGATE,XB(I)::R1(H),XS(f)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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