MESON Chess Problem Database
Problem Display
PID: 781 (1b5B/3p4/1ppN3Q/3k1P2/1P6/K4N2/b2p4/3r1B2 w - - 0 1)
Chandler, Guy Wills
British Chess Magazine, 1961
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qxd2#
- 1...Rb1
- 2.Qxd2#
- 1...Rc1
- 2.Qxd2#
- 1...Re1
- 2.Qxd2#
- 1...Rxf1
- 2.Qxd2#
- 1...Bb1
- 2.Bc4#
- 1...Bc4
- 2.Bxc4#
- 1...Ra1
- Tries
- 1.Sh2?
- threat
- 2.Bg2#
- 1...Rxf1
- 2.Qxd2#
- 1...Re1
- 2.Qxd2#
- 1...Bb1
- 2.Bc4#
- 1...Bxd6!
- threat
- 1.Sh4?
- threat
- 2.Bg2#
- 1...Rxf1
- 2.Qxd2#
- 1...Re1
- 2.Qxd2#
- 1...Bb1
- 2.Bc4#
- 1...Bxd6!
- threat
- 1.Bg2?
- threat
- 2.Se1#
- 2.Sg1#
- 2.Sxd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Sg5#
- 1...Bxd6
- 2.Sxd2#
- 1...Re1
- 2.Sxe1#
- 2.Qxd2#
- 1...Rf1
- 2.Qxd2#
- 1...Rg1
- 2.Sxg1#
- 2.Qxd2#
- 1...Bb1!
- threat
- 1.Qe3?
- threat
- 2.Qd4#
- 2.Qd3#
- 2.Qe5#
- 1...Kxd6
- 2.Qe5#
- 1...Bxd6
- 2.Qd4#
- 2.Qd3#
- 1...Re1
- 2.Qxd2#
- 2.Qd4#
- 2.Qd3#
- 1...Bb1
- 2.Qd4#
- 2.Qe5#
- 1...Bc4
- 2.Qd4#
- 2.Qe5#
- 1...c5!
- threat
- 1.Qf4?
- threat
- 2.Qe5#
- 2.Qd4#
- 1...Bxd6
- 2.Qd4#
- 1...Re1
- 2.Qxd2#
- 2.Qd4#
- 1...c5!
- threat
- 1.Qg7?
- threat
- 2.Qd4#
- 2.Qe5#
- 1...Kxd6
- 2.Qe5#
- 1...Bxd6
- 2.Qd4#
- 1...Re1
- 2.Qd4#
- 1...c5!
- threat
- 1.Qf6?
- threat
- 2.Qd4#
- 2.Qe5#
- 1...Bxd6
- 2.Qd4#
- 1...Re1
- 2.Qd4#
- 1...c5!
- threat
- 1.Sh2?
- Keys
- 1.Sg1!
- threat
- 2.Bg2#
- 1...Rxf1
- 2.Qxd2#
- 1...Bxd6
- 2.Qh1#
- 1...Re1
- 2.Qxd2#
- 1...Bb1
- 2.Bc4#
- threat
- 1.Sg1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- R(a);N_GUARD::QAR(G),XP(c)
- R(a);N_GUARD,XB(A)::QAR(G),XP(c)
- B(b);N_GUARD::B(A)
- B(b);N_GUARD::B(A),XB(b)
- Tries
- Try
- S(C);
- Threat
- B(A)
- Vars
- R(a);N_GUARD,XB(A)::QAR(G),XP(c)
- R(a);N_GUARD::QAR(G),XP(c)
- B(b);N_GUARD::B(A)
- Refutation
- B(h);P_PINP(D),XS(F)
- Try
- S(C);
- Threat
- B(A)
- Vars
- R(a);N_GUARD,XB(A)::QAR(G),XP(c)
- R(a);N_GUARD::QAR(G),XP(c)
- B(b);N_GUARD::B(A)
- Refutation
- B(h);P_PINP(D),XS(F)
- Try
- B(A);
- Threat
- DUALS(7)
- Vars
- B(h);P_PINP(D),XS(F)::B(A)+S(C),XP(c)
- R(a);N_GUARD::QAR(G),XP(c)
- Refutation
- B(b);
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- K(d);P-FLIGHT,XS(F)::QAB1(G)
- Refutation
- P(f);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- B(h);P_PINP(D),SBLOCK,XS(F)::QAR1(G)
- Refutation
- P(f);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- K(d);P-FLIGHT,XS(F)::QAB1(G)
- B(h);P_PINP(D),SBLOCK,XS(F)::QAR1(G)
- R(a);::QAR1(G)
- Refutation
- P(f);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- B(h);P_PINP(D),SBLOCK,XS(F)::QAR1(G)
- R(a);::QAR1(G)
- Refutation
- P(f);
- Try
- Actual
- S(C);
- Threat
- B(A)
- Vars
- R(a);N_GUARD,XB(A)::QAR(G),XP(c)
- B(h);P_PINP(D),SBLOCK,XS(F)::QAB(G)
- R(a);N_GUARD::QAR(G),XP(c)
- B(b);N_GUARD::B(A)
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