MESON Chess Problem Database
Problem Display
PID: 62079 (5B2/3R4/q4p2/r2Pkp2/2npN2R/p2Q4/Bp2KP2/2b5 w - - 0 1)
Easter, Norris
British Chess Magazine, 1933
#2
9 + 10
| 371 | The Chess Review | 1936 |
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.f4#
- 1...Se3
- 2.f4#
- 1...Sb6
- 2.Bd6#
- 2.Re7#
- 1...Sd6
- 2.Re7#
- 1...fxe4
- 2.Qxe4#
- 1...Sd2
- Tries
- 1.Sd2?
- threat
- 2.Sf3#
- 2.Qxd4#
- 2.f4#
- 1...Bxd2
- 2.Qxd4#
- 1...Sxd2
- 2.f4#
- 1...Qd6
- 2.Qxd4#
- 1...Qb6
- 2.Sf3#
- 2.Sxc4#
- 2.f4#
- 1...Qa7
- 2.Sf3#
- 2.Sxc4#
- 2.f4#
- 1...Se3
- 2.Sf3#
- 2.f4#
- 1...Sb6
- 2.Sf3#
- 2.Bd6#
- 2.f4#
- 1...Sd6
- 2.Sf3#
- 2.Re7#
- 2.f4#
- 1...f4
- 2.Sf3#
- 2.Qe4#
- 1...Rxd5!
- threat
- 1.Sg5?
- threat
- 2.Sf3#
- 2.Sf7#
- 2.Qxd4#
- 1...Bxg5
- 2.Qxd4#
- 1...fxg5
- 2.Qxd4#
- 1...Qd6
- 2.Qxd4#
- 1...Qb6
- 2.Sf3#
- 2.Sf7#
- 1...Qe6
- 2.Sf3#
- 2.Qxd4#
- 1...Qa7
- 2.Sf3#
- 2.Sf7#
- 1...Be3
- 2.Sf3#
- 2.Sf7#
- 1...Bf4
- 2.Sf3#
- 2.Sf7#
- 1...Sd2
- 2.Sf7#
- 2.f4#
- 1...Se3
- 2.Sf3#
- 2.Sf7#
- 2.f4#
- 1...Sb6
- 2.Sf3#
- 2.Sf7#
- 2.Bd6#
- 1...Sd6
- 2.Sf3#
- 2.Re7#
- 1...f4
- 2.Sf3#
- 2.Sf7#
- 2.Qe4#
- 1...Rxd5!
- threat
- 1.Sd6?
- threat
- 2.Sf7#
- 2.Qxf5#
- 2.Qxd4#
- 1...Qxd6
- 2.Qxd4#
- 1...Rxd5
- 2.Qxf5#
- 1...Sxd6
- 2.Re7#
- 1...b1Q
- 2.Sf7#
- 2.Qxd4#
- 1...b1B
- 2.Sf7#
- 2.Qxd4#
- 1...Qb6
- 2.Sxc4#
- 2.Sf7#
- 2.Qxf5#
- 1...Qa7
- 2.Sxc4#
- 2.Sf7#
- 2.Qxf5#
- 1...Be3
- 2.Sf7#
- 2.Qxf5#
- 1...Bf4
- 2.Sf7#
- 2.Qxf5#
- 1...Sd2
- 2.Sf7#
- 2.f4#
- 1...Se3
- 2.Sf7#
- 2.f4#
- 1...Sb6
- 2.Sf7#
- 1...f4
- 2.Sf7#
- 2.Qe4#
- 2.Qf5#
- 1...Kxd5!
- threat
- 1.Qg3+?
- 1...Bf4
- 2.Qxf4#
- 1...f4!
- 1...Bf4
- 1.Sd2?
- Keys
- 1.Sg3!
- threat
- 2.Qxf5#
- 2.Qxd4#
- 1...Rxd5
- 2.Qxf5#
- 1...b1Q
- 2.Qxd4#
- 1...b1B
- 2.Qxd4#
- 1...Qb6
- 2.Qxf5#
- 1...Qe6
- 2.Qxd4#
- 1...Qa7
- 2.Qxf5#
- 1...Be3
- 2.Qxf5#
- 1...Bf4
- 2.Qxf5#
- 1...Sd2
- 2.f4#
- 1...Se3
- 2.f4#
- 1...Sb6
- 2.Bd6#
- 1...Sd6
- 2.Re7#
- 1...f4
- 2.Qe4#
- 2.Qf5#
- threat
- 1.Sg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 1
- Sets
- S(d);P_PINQ(D),S_CUTB(a)::P(C)
- S(d);P_PINQ(D),S_CUTQ(i)::R(H)
- P(h);OGATE,XS(E)::QAR1(D),XP(h)
- Tries
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- B(a);XS(E)::QAB1(D),XP(e)
- S(d);P_PINQ(D),XS(E)::P(C)
- Q(i);::QAB1(D),XP(e)
- Refutation
- R(f);XP(G)
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- B(a);XS(E)::QAB1(D),XP(e)
- P(j);XS(E)::QAB1(D),XP(e)
- Q(i);::QAB1(D),XP(e)
- Refutation
- R(f);XP(G)
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- Q(i);XS(E)::QAB1(D),XP(e)
- R(f);SBLOCK,XP(G)::QAR1(D),XP(h)
- S(d);P_PINQ(D),SBLOCK,XS(E)::R(H)
- S(d);P_PINQ(D)::S(E)
- Refutation
- K(g);P-FLIGHT,P_SPINP(e),P_SPINS(d),XP(G)
- Try
- Q(D);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::QAB1(D),XB(a)
- Refutation
- P(h);P_SPINP(h)
- Try
- Actual
- S(E);
- Threat
- DUALS(2)
- Vars
- R(f);XP(G)::QAR1(D),XP(h)
- P(b);::QAB1(D),XP(e)
- Q(i);::QAR1(D),XP(h)
- Q(i);::QAB1(D),XP(e)
- B(a);::QAR1(D),XP(h)
- S(d);P_PINQ(D),S_CUTB(a)::P(C)
- S(d);N_GUARD,P_PINQ(D),S_CUTQ(i)::B(I)
- S(d);P_PINQ(D),SBLOCK,S_CUTQ(i)::R(H)
Developed and maintained by Brian Stephenson.
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