MESON Chess Problem Database
Problem Display
PID: 18893 (7K/3Q3p/3pN3/2p1R3/1bk5/1pPq4/1p1Pn3/2RbNB2 w - - 0 1)
Whyatt, William Albert
Chess World (The), 1959
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Qxc3
- 2.d3#
- 1...Bxc3
- 2.Qa4#
- 1...Sg1
- 2.Bxd3#
- 1...Sxc3
- 2.Bxd3#
- 1...Sg3
- 2.Bxd3#
- 1...Sd4
- 2.Bxd3#
- 1...dxe5
- 2.Qxd3#
- 1...Qxc3
- Tries
- 1.Rxc5+?
- 1...dxc5
- 2.Qxd3#
- 1...Bxc5!
- 1...dxc5
- 1.Qa4?
- threat
- 2.Qa6#
- 1...Sd4
- 2.Bxd3#
- 1...dxe5!
- threat
- 1.Qc6?
- threat
- 2.Qa6#
- 1...Bxc3
- 2.Qa4#
- 1...Sd4
- 2.Bxd3#
- 1...dxe5!
- threat
- 1.Rxc5+?
- Keys
- 1.Sc7!
- threat
- 2.Qb5#
- 1...Qxc3
- 2.Qg4#
- 1...Bxc3
- 2.Qa4#
- 1...Sxc3
- 2.Re4#
- 1...Sd4
- 2.Bxd3#
- threat
- 1.Sc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- Q(e);OGATE,P_PINR(F),P_SPINQ(e),P_SPINS(c),XP(E)::P(D)
- B(f);OGATEB,P_PINR(F),P_SPINB(f),XP(E)::QAR2(H)
- S(c);OGATE,P_SPINQ(e)::B(C),XQ(e)
- S(c);OGATE,P_SPINQ(e),P_SPINS(c),XP(E)::B(C),XQ(e)
- P(i);OGATE,XR(F)::QAB1(H),XQ(e)
- Tries
- Try
- R(F);CHECK,XP(h)
- Vars
- P(i);OGATE,XR(F)::QAB1(H),XQ(e)
- Refutation
- B(f);XR(F)
- Try
- Q(H);P_PINB(f)
- Threat
- QAB(H)
- Vars
- S(c);OGATE,P_SPINQ(e)::B(C),XQ(e)
- Refutation
- P(i);XR(F)
- Try
- Q(H);P_PINP(h)
- Threat
- QAB(H)
- Vars
- B(f);OGATEB,P_PINR(F),P_SPINB(f),XP(E)::QAR2(H)
- S(c);OGATE,P_SPINQ(e)::B(C),XQ(e)
- Refutation
- P(i);XR(F)
- Try
- Actual
- S(G);
- Threat
- QAB1(H)
- Vars
- Q(e);N_GUARD,P_PINR(F),P_SPINQ(e),P_SPINS(c),XP(E)::QAR(H)
- B(f);OGATEB,P_PINR(F),P_SPINB(f),XP(E)::QAR2(H)
- S(c);N_GUARD,P_SPINQ(e),P_SPINS(c),XP(E)::R(F)
- S(c);OGATE,P_SPINQ(e)::B(C),XQ(e)
Developed and maintained by Brian Stephenson.
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