MESON Chess Problem Database
Problem Display
PID: 256599 (q1b5/2Rp4/1Q6/1PN5/B7/PP1R4/KBk4b/8 w - - 0 1)
Dawson, Thomas Rayner
British Chess Magazine, 1933
#2
10 + 5
SOLUTION
- SOUND
- Sets
- 1...Qh1
- 2.b4#
- 1...Qg2
- 2.b4#
- 1...Qf3
- 2.b4#
- 1...Qe4
- 2.b4#
- 1...Qc6
- 2.b4#
- 1...Qb7
- 2.b4#
- 1...Qb8
- 2.b4#
- 1...Ba6
- 2.b4#
- 1...Qh1
- Tries
- 1.Se4+?
- 1...Qc6
- 2.Rd2#
- 1...Bxc7
- 2.Rd2#
- 1...Kxd3!
- 1...Qc6
- 1.Sa6+?
- 1...Qc6
- 2.Sb4#
- 1...Bxc7
- 2.Sb4#
- 1...Kxd3!
- 1...Qc6
- 1.Qa5?
- threat
- 2.Rd2#
- 2.Qd2#
- 2.Qc3#
- 2.b4#
- 1...Qd5
- 2.Qd2#
- 2.Qc3#
- 1...Qg2
- 2.Qc3#
- 2.b4#
- 1...Bf4
- 2.Qc3#
- 2.b4#
- 1...Be5
- 2.Rd2#
- 2.Qd2#
- 2.b4#
- 1...Qxa5!
- threat
- 1.Qf6?
- threat
- 2.Qc3#
- 2.Qf2#
- 1...Qg2
- 2.Qc3#
- 2.b4#
- 1...Qf3
- 2.Qc3#
- 2.b4#
- 1...Qe4
- 2.Qc3#
- 2.b4#
- 1...Bg1
- 2.Qc3#
- 1...Bg3
- 2.Qc3#
- 1...Bf4
- 2.Qc3#
- 1...Be5
- 2.Qf2#
- 1...Qa5!
- threat
- 1.Qh6?
- threat
- 2.Rd2#
- 2.Qc1#
- 2.Qd2#
- 1...Qd5
- 2.Qc1#
- 2.Qd2#
- 1...Qh1
- 2.Rd2#
- 2.Qd2#
- 2.b4#
- 1...Qg2
- 2.Qc1#
- 2.b4#
- 1...Qa5
- 2.Qc1#
- 1...Bf4!
- threat
- 1.Se4+?
- Keys
- 1.Qg6!
- threat
- 2.Rd5#
- 1...Qxa4
- 2.Rd4#
- 2.Qg2#
- 1...Qd5
- 2.Rxd5#
- 1...Qh1
- 2.b4#
- 1...Qg2
- 2.Qxg2#
- 2.b4#
- 1...Qf3
- 2.b4#
- 1...Qe4
- 2.b4#
- 1...Qc6
- 2.b4#
- 1...Qa6
- 2.Rd6#
- 2.Qg2#
- 1...d5
- 2.Qg2#
- 1...d6
- 2.Sb7#
- threat
- 1.Qg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- Q(d);N_GUARD::B(F)+P(D)
- B(e);S_CUTQ(d)::B(F)+P(D)
- Tries
- Try
- S(H);CHECK
- Vars
- Q(d);P_SPINQ(d)::R1(E)
- B(b);XR(J)::R1(E)
- Refutation
- K(a);S_FLIGHT,XR(E)
- Try
- S(H);CHECK
- Vars
- Q(d);P_SPINQ(d)::S(H)
- B(b);XR(J)::S(H)
- Refutation
- K(a);S_FLIGHT,XR(E)
- Try
- Q(I);
- Threat
- DUALS(4)
- Refutation
- Q(d);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- B(b);::QAR1(I)
- B(b);::QAR(I)
- Refutation
- Q(d);
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- Q(d);::QAR1(I)
- Refutation
- B(b);
- Try
- Actual
- Q(I);
- Threat
- QAB(I)+R(E)
- Vars
- Q(d);P_PINP(D)::QAB(I)+R(E),XQ(d)
- Q(d);N_GUARD::B(F)+P(D)
- P(c);S_CUTQ(d)::QAR(I)
- P(c);S_CUTB(b)::R(J)+S(H)
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