MESON Chess Problem Database
Problem Display
PID: 154001 (2n5/8/p3RK1P/Rb1k1p2/N1pB1pN1/4PP2/7Q/1n6 w - - 0 1)
Touw Hian Bwee
5th Comm., The Problemist, 1963
#2
10 + 8
| 133 | The Problemist Supplement | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb6
- 2.Sxb6#
- 1...Sa7
- 2.Sb6#
- 1...Se7
- 2.Sb6#
- 1...c3
- 2.Qa2#
- 1...fxe3
- 2.Qe5#
- 1...fxg4
- 2.Qh5#
- 1...Sd2
- Tries
- 1.Kf7?
- threat
- 2.Sf6#
- 1...fxe3
- 2.Qe5#
- 1...fxg4
- 2.Qh5#
- 1...c3
- 2.Qa2#
- 1...Sd6+!
- threat
- 1.Se5?
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sb6
- 2.Sxb6#
- 1...Sd6
- 2.Sb6#
- 1...Sa7
- 2.Sb6#
- 1...Se7
- 2.Sb6#
- 1...c3
- 2.Qa2#
- 1...fxe3!
- 1...Sd2
- 1.Qxf4?
- threat
- 2.Qe5#
- 2.Qxf5#
- 1...fxg4
- 2.Qe5#
- 2.Qg5#
- 2.Qe4#
- 2.Qf5#
- 1...Sd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Se7
- 2.Sb6#
- 2.Rd6#
- 2.Qe5#
- 2.Qd6#
- 1...c3!
- threat
- 1.Qb2?
- 1...fxe3
- 2.Sxe3#
- 1...fxg4
- 2.e4#
- 1...c3
- 2.Qa2#
- 2.Qb3#
- 1...Sb6
- 2.Sxb6#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sa7
- 2.Sb6#
- 1...Se7
- 2.Sb6#
- 1...Sd6!
- 1...fxe3
- 1.Qd2?
- 1...Sxd2
- 2.Sc3#
- 1...fxe3
- 2.Sxe3#
- 1...fxg4
- 2.e4#
- 1...c3
- 2.Qa2#
- 1...Sb6
- 2.Sxb6#
- 1...Sa3
- 2.Sc3#
- 2.Ba1#
- 2.Bb2#
- 2.Bc3#
- 2.Bc5#
- 2.Be5#
- 2.Bb6#
- 2.Ba7#
- 1...Sc3
- 2.Sxc3#
- 2.Bxc3#
- 2.Bc5#
- 2.Be5#
- 2.Bb6#
- 2.Ba7#
- 1...Sa7
- 2.Sb6#
- 1...Se7
- 2.Sb6#
- 1...Sd6!
- 1...Sxd2
- 1.h7?
- 1...fxe3
- 2.Qe5#
- 1...fxg4
- 2.Qh5#
- 1...c3
- 2.Qa2#
- 1...Sb6
- 2.Sxb6#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sa7
- 2.Sb6#
- 1...Se7
- 2.Sb6#
- 1...Sd6!
- 1...fxe3
- 1.Kf7?
- Keys
- 1.Be5!
- 1...fxe3
- 2.Sxe3#
- 1...fxg4
- 2.e4#
- 1...Sd6
- 2.Rxd6#
- 1...c3
- 2.Qa2#
- 1...Sb6
- 2.Rd6#
- 1...Sd2
- 2.Qxd2#
- 1...Sa3
- 2.Qd2#
- 1...Sc3
- 2.Qd2#
- 1...Sa7
- 2.Rd6#
- 1...Se7
- 2.Rd6#
- 1...fxe3
- 1.Be5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 8
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(h);N_GUARD::S(D),XS(h)
- S(h);N_GUARD::S(D)
- P(b);OGATEB::QAB(A)
- P(c);OGATE,XP(B)::QAR1(A)
- P(f);OGATEB,XS(F)::QAR(A)
- Tries
- Try
- K(I);P-FLIGHT
- Threat
- S(F)
- Vars
- P(c);OGATE,XP(B)::QAR1(A)
- P(f);OGATEB,XS(F)::QAR(A)
- P(b);OGATEB::QAB(A)
- Refutation
- S(h);CHECK
- Try
- S(F);
- Vars
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(h);N_GUARD::S(D),XS(h)
- S(h);N_GUARD::S(D)
- P(b);OGATEB::QAB(A)
- Refutation
- P(c);XP(B)
- Try
- Q(A);XP(c)
- Threat
- DUALS(2)
- Refutation
- P(b);
- Try
- Q(A);
- Vars
- P(c);XP(B)::S(F),XP(c)
- P(f);N_GUARD,XS(F)::P(B)
- S(h);N_GUARD::S(D),XS(h)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(h);N_GUARD::S(D)
- Refutation
- S(h);
- Try
- Q(A);
- Vars
- S(a);N_GUARD,XQ(A)::S(D)
- P(c);XP(B)::S(F),XP(c)
- P(f);N_GUARD,XS(F)::P(B)
- P(b);OGATEB::QAB(A)
- S(h);N_GUARD::S(D),XS(h)
- S(h);N_GUARD::S(D)
- Refutation
- S(h);
- Try
- P(J);
- Vars
- P(c);OGATE,XP(B)::QAR1(A)
- P(f);OGATEB,XS(F)::QAR(A)
- P(b);OGATEB::QAB(A)
- S(h);N_GUARD::S(D),XS(h)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(h);N_GUARD::S(D)
- Refutation
- S(h);
- Try
- Actual
- B(E);
- Vars
- P(c);XP(B)::S(F),XP(c)
- P(f);N_GUARD,XS(F)::P(B)
- S(h);N_GUARD::R1(H),XS(h)
- P(b);OGATEB::QAB(A)
- S(h);N_GUARD::R1(H)
- S(a);N_GUARD::QAR(A),XS(a)
- S(a);N_GUARD::QAR(A)
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