MESON Chess Problem Database
Problem Display
PID: 18730 (8/2r1p2b/1p6/3p1n1R/1Knk1B2/p5q1/2Q2N2/N6B w - - 0 1)
Gooderson, Arthur R
Time & Tide, 1957
#2
7 + 10
| 3207 | A R Gooderson An English Progressive | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Qxf2
- 2.Sb3#
- 2.Qc3#
- 1...Qh2
- 2.Sb3#
- 2.Qd3#
- 2.Qc3#
- 1...Qxf4
- 2.Qc3#
- 1...Qh4
- 2.Sb3#
- 2.Qd3#
- 2.Qc3#
- 1...Qg1
- 2.Sb3#
- 2.Qd3#
- 2.Qc3#
- 1...Qg2
- 2.Sb3#
- 2.Qd3#
- 2.Qc3#
- 1...Qb3+
- 2.Sxb3#
- 1...Qc3+
- 2.Qxc3#
- 1...Qd3
- 2.Qxd3#
- 1...Qg4
- 2.Sb3#
- 2.Qd3#
- 2.Qc3#
- 1...Qg5
- 2.Sb3#
- 2.Qd3#
- 2.Qc3#
- 1...Qg6
- 2.Sb3#
- 2.Qd3#
- 2.Qc3#
- 1...Qg7
- 2.Sb3#
- 2.Qd3#
- 2.Qc3#
- 1...Qg8
- 2.Sb3#
- 2.Qd3#
- 2.Qc3#
- 1...Sce3
- 2.Sb3#
- 2.Qd3#
- 2.Qd2#
- 1...Sfe3
- 2.Sb3#
- 2.Qc3#
- 1...Sh4
- 2.Rxd5#
- 1...Sd6
- 2.Rxd5#
- 1...Sh6
- 2.Rxd5#
- 1...Sg7
- 2.Rxd5#
- 1...Qxf2
- Tries
- 1.Bf3?
- threat
- 2.Sb3#
- 2.Qd3#
- 2.Qc3#
- 1...Qxf2
- 2.Sb3#
- 2.Qc3#
- 1...Qxf4
- 2.Qc3#
- 1...Sb2
- 2.Sb3#
- 1...Sd2
- 2.Qd3#
- 2.Qxd2#
- 1...Sce3
- 2.Sb3#
- 2.Qd3#
- 2.Qd2#
- 1...Sa5
- 2.Qd1#
- 2.Qd3#
- 2.Qd2#
- 1...Se5
- 2.Sb3#
- 1...Scd6
- 2.Sb3#
- 2.Qd1#
- 2.Qd3#
- 2.Qd2#
- 1...Sfe3
- 2.Sb3#
- 2.Qc3#
- 1...Sh4
- 2.Sb3#
- 2.Rxd5#
- 2.Qc3#
- 1...Sfd6
- 2.Sb3#
- 2.Rxd5#
- 2.Qc3#
- 1...Sh6
- 2.Sb3#
- 2.Rxd5#
- 2.Qc3#
- 1...Sg7
- 2.Sb3#
- 2.Rxd5#
- 2.Qc3#
- 1...Qxf3!
- threat
- 1.Qd1+?
- 1...Qd3
- 2.Sc2#
- 2.Sb3#
- 2.Qxd3#
- 1...Sd2!
- 1...Qd3
- 1.Qb2+?
- 1...Qc3+
- 2.Qxc3#
- 1...axb2
- 2.Sc2#
- 1...Sxb2!
- 1...Qc3+
- 1.Qd2+?
- 1...Qd3
- 2.Sc2#
- 2.Sb3#
- 2.Qxd3#
- 1...Sxd2!
- 1...Qd3
- 1.Qe2?
- threat
- 2.Sc2#
- 1...Qb3+
- 2.Sxb3#
- 1...Qd3
- 2.Qxd3#
- 1...Sb2
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sce3
- 2.Sb3#
- 2.Qd3#
- 2.Qd2#
- 1...Sa5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Scd6
- 2.Qe5#
- 1...Sfe3
- 2.Sb3#
- 1...Sh4
- 2.Rxd5#
- 1...Sfd6
- 2.Rxd5#
- 1...Sh6
- 2.Rxd5#
- 1...Sg7
- 2.Rxd5#
- 1...Qc3+!
- threat
- 1.Qxc4+?
- 1...dxc4
- 2.Sc2#
- 1...Rxc4+!
- 1...dxc4
- 1.Bf3?
- Keys
- 1.Qb3!
- threat
- 2.Sc2#
- 1...Qxb3+
- 2.Sxb3#
- 1...Qc3+
- 2.Qxc3#
- 1...Qxf2
- 2.Qc3#
- 1...Qxf4
- 2.Qc3#
- 1...Qd3
- 2.Qxd3#
- 1...Sb2
- 2.Qxd5#
- 1...Sd2
- 2.Qxd5#
- 1...Sce3
- 2.Qd3#
- 1...Sa5
- 2.Qxd5#
- 1...Se5
- 2.Qxd5#
- 1...Scd6
- 2.Qxd5#
- 1...Sfe3
- 2.Qc3#
- 1...Sh4
- 2.Rxd5#
- 1...Sfd6
- 2.Rxd5#
- 1...Sh6
- 2.Rxd5#
- 1...Sg7
- 2.Rxd5#
- threat
- 1.Qb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- Q(b);N_GUARD,XB(F)::QAB1(C)
- Q(b);CHECK,N_GUARD::S(A),XQ(b)
- Q(b);CHECK,N_GUARD::QAB1(C),XQ(b)
- Q(b);N_GUARD::QAR1(C),XQ(b)
- S(f);OGATE::R1(G),XP(e)
- Tries
- Try
- B(B);
- Threat
- DUALS(3)
- Vars
- Q(b);XB(F)::QAB1(C)
- S(c);::S(A)
- Refutation
- Q(b);XB(B)
- Try
- Q(C);CHECK
- Refutation
- S(c);P_SPINS(c)
- Try
- Q(C);CHECK
- Vars
- Q(b);CHECK,N_GUARD,P_SPINQ(b)::QAB1(C),XQ(b)
- P(a);XQ(C)::S(A)
- Refutation
- S(c);XQ(C)
- Try
- Q(C);CHECK
- Refutation
- S(c);XQ(C)
- Try
- Q(C);
- Threat
- S(A)
- Vars
- Q(b);CHECK,N_GUARD::S(A),XQ(b)
- Q(b);N_GUARD::QAR1(C),XQ(b)
- S(c);N_GUARD::QAB1(C)
- S(c);N_GUARD::QAB1(C),XS(c)
- S(f);S_CUTQ(b)::S(A)
- S(f);OGATE::R1(G),XP(e)
- Refutation
- Q(b);CHECK
- Try
- Q(C);CHECK,XS(c)
- Vars
- P(e);XQ(C)::S(A)
- Refutation
- R(h);CHECK,XQ(C)
- Try
- Actual
- Q(C);
- Threat
- S(A)
- Vars
- Q(b);CHECK,XQ(C)::S(A),XQ(b)
- Q(b);CHECK,N_GUARD::QAB1(C),XQ(b)
- Q(b);N_GUARD,XS(D)::QAB1(C)
- Q(b);N_GUARD,XB(F)::QAB1(C)
- Q(b);N_GUARD::QAR1(C),XQ(b)
- S(c);OGATE::QAR1(C),XP(e)
- S(c);S_CUTQ(b)::QAR1(C)
- S(f);S_CUTQ(b)::QAB1(C)
- S(f);OGATE::R1(G),XP(e)
Developed and maintained by Brian Stephenson.
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