MESON Chess Problem Database
Problem Display
PID: 185944 (1B6/4pBp1/1p1Np2q/1P2k1p1/1p4P1/1b2K2p/1p2NQ2/4R3 w - - 0 1)
Lin, Tien Ling
Chess, 1958
#2
9 + 11
SOLUTION
- SOUND
- Sets
- 1...Kd5
- 2.Qf5#
- 1...Bd5
- 2.Sc4#
- 2.Se4#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 1...Kd5
- Tries
- 1.Kd2?
- threat
- 2.Sc3#
- 2.Qd4#
- 1...Kd5
- 2.Qd4#
- 2.Qf5#
- 1...b1Q
- 2.Qd4#
- 1...b1B
- 2.Qd4#
- 1...b1R
- 2.Qd4#
- 1...Qg6
- 2.Qd4#
- 1...Qh7
- 2.Qd4#
- 1...Bd1
- 2.Qd4#
- 1...Bc2
- 2.Qd4#
- 1...Bc4
- 2.Qd4#
- 1...Bd5
- 2.Qd4#
- 1...b1S+!
- threat
- 1.Sc3?
- threat
- 2.Kd2#
- 2.Kd3#
- 2.Sc4#
- 2.Sde4#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 1...exd6
- 2.Kd2#
- 2.Kd3#
- 1...b1Q
- 2.Sc4#
- 2.Sde4#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 1...b1S
- 2.Kd3#
- 2.Sc4#
- 2.Sde4#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 1...b1B
- 2.Sc4#
- 2.Sde4#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 1...b1R
- 2.Sc4#
- 2.Sde4#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 1...Qg6
- 2.Sc4#
- 2.Sde4#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 1...Qh7
- 2.Sc4#
- 2.Sde4#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 1...Qh8
- 2.Kd2#
- 2.Kd3#
- 2.Sc4#
- 2.Sc8#
- 2.Se8#
- 1...Bd1
- 2.Sc4#
- 2.Sde4#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 1...Bc2
- 2.Sc4#
- 2.Sde4#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 1...Bc4
- 2.Sxc4#
- 2.Sde4#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 1...Bd5
- 2.Sc4#
- 2.Sde4#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 1...bxc3!
- threat
- 1.Sf4?
- threat
- 2.Se4#
- 2.Se8#
- 2.Qxb2#
- 1...Kf6
- 2.Sd3#
- 2.Sg6#
- 1...exd6
- 2.Qxb2#
- 1...b1Q
- 2.Se4#
- 2.Se8#
- 1...b1S
- 2.Se4#
- 2.Se8#
- 1...b1B
- 2.Se4#
- 2.Se8#
- 2.Qb2#
- 1...b1R
- 2.Se4#
- 2.Se8#
- 1...Qh8
- 2.Se8#
- 2.Qxb2#
- 1...Bc2
- 2.Se4#
- 2.Se8#
- 1...gxf4+!
- threat
- 1.Sf5+?
- 1...Kf6
- 2.Sfg3#
- 2.Sfd4#
- 2.Sh4#
- 2.Sxh6#
- 1...Kd5!
- 1...Kf6
- 1.Rd1?
- threat
- 2.Sc4#
- 2.Se4#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 1...exd6
- 2.Bxd6#
- 1...Qh8
- 2.Sc4#
- 2.Sc8#
- 2.Se8#
- 1...Bc4
- 2.Sxc4#
- 2.Se4#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 1...Bxd1!
- threat
- 1.Qg3+?
- 1...Kf6
- 2.Rf1#
- 1...Kd5!
- 1...Kf6
- 1.Qh2+?
- 1...Kf6
- 2.Rf1#
- 1...Kd5!
- 1...Kf6
- 1.Qf3?
- threat
- 2.Sc4#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 1...Qh8
- 2.Sc4#
- 2.Sc8#
- 2.Se8#
- 1...Bc4
- 2.Sxc4#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 1...exd6!
- threat
- 1.Qf4+?
- 1...Kd5
- 2.Qd4#
- 2.Qf5#
- 1...gxf4+!
- 1...Kd5
- 1.Kd2?
- Keys
- 1.Kf3!
- threat
- 2.Qd4#
- 1...Qf6+
- 2.Sf4#
- 1...Bd5+
- 2.Se4#
- 1...Kd5
- 2.Qd4#
- 1...Kf6
- 2.Ke4#
- threat
- 1.Kf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(e);P-FLIGHT,P_SPINP(h)::QAR2(C)
- Tries
- Try
- K(D);S_FLIGHT
- Threat
- DUALS(2)
- Vars
- P(a);::QAB1(C)
- Q(i);::QAB1(C)
- B(b);::QAB1(C)
- Refutation
- P(a);CHECK
- Try
- S(B);
- Threat
- DUALS(7)
- Refutation
- P(d);XS(B)
- Try
- S(B);
- Threat
- DUALS(3)
- Vars
- P(j);P_SPINP(j),XS(G)::QAB(C),XP(a)
- Refutation
- P(f);CHECK,XS(B)
- Try
- S(G);CHECK
- Refutation
- K(e);P-FLIGHT,P_SPINP(h)
- Try
- R(A);
- Threat
- DUALS(5)
- Vars
- P(j);OGATE,P_SPINP(j),XS(G)::B(I),XP(j)
- Refutation
- B(b);XR(A)
- Try
- Q(C);CHECK
- Vars
- K(e);S_FLIGHT::R(A)
- Refutation
- K(e);P-FLIGHT,P_SPINP(h)
- Try
- Q(C);CHECK
- Vars
- K(e);S_FLIGHT::R(A)
- Refutation
- K(e);P-FLIGHT,P_SPINP(h)
- Try
- Q(C);
- Threat
- DUALS(4)
- Refutation
- P(j);P_SPINP(j),XS(G)
- Try
- Q(C);CHECK
- Refutation
- P(f);CHECK,XQ(C)
- Try
- Actual
- K(D);P-FLIGHT
- Threat
- QAB1(C)
- Vars
- Q(i);CHECK,SBLOCK::R(A)+S(B)
- B(b);CHECK,SBLOCK::B(I)+S(G)
- K(e);P-FLIGHT,P_SPINP(h)::QAR1(C)
- K(e);S_FLIGHT::QAR(C)+K(D)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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