MESON Chess Problem Database
Problem Display
PID: 66656 (2N4r/4r3/p1p2p1p/2kp4/1R3N1K/P2Q4/8/q2b4 w - - 0 1)
Healey, Frank
The Chess Player's Chronicle (Staunton), 1859
#2
6 + 10
SOLUTION
- SOUND
- Sets
- 1...Qc3
- 2.Qxc3#
- 1...Qd4
- 2.Qxd4#
- 1...Qb1
- 2.Qc3#
- 2.Qd4#
- 1...Qc1
- 2.Qd4#
- 1...Qa2
- 2.Qd4#
- 1...Qxa3
- 2.Qd4#
- 1...Re6
- 2.Sxe6#
- 1...Ra7
- 2.Se6#
- 1...Rb7
- 2.Se6#
- 1...Rc7
- 2.Se6#
- 1...Rd7
- 2.Se6#
- 1...Rf7
- 2.Se6#
- 1...Rg7
- 2.Se6#
- 1...Reh7
- 2.Se6#
- 1...d4
- 2.Qc4#
- 1...Qc3
- Tries
- 1.Rb5+?
- 1...cxb5
- 2.Qxd5#
- 1...axb5!
- 1...cxb5
- 1.Qc2+?
- 1...Qc3
- 2.Sd3#
- 2.Qxc3#
- 1...Bxc2!
- 1...Qc3
- 1.Qb5+?
- 1...axb5
- 2.Sd3#
- 1...cxb5!
- 1...axb5
- 1.Qxa6?
- threat
- 2.Sd3#
- 2.Qa5#
- 2.Qb6#
- 1...Qxa3
- 2.Qb6#
- 1...Qc3
- 2.Qa5#
- 2.Qb6#
- 1...Qd4
- 2.Qa5#
- 2.Qb6#
- 1...Qb1
- 2.Qa5#
- 2.Qb6#
- 1...Re3
- 2.Qa5#
- 2.Qb6#
- 2.Qa7#
- 1...Re4
- 2.Qa5#
- 2.Qb6#
- 2.Qa7#
- 1...Ra7
- 2.Sd3#
- 2.Se6#
- 2.Qb6#
- 2.Qxa7#
- 1...Rb7
- 2.Sd3#
- 2.Se6#
- 1...Bc2
- 2.Qa5#
- 2.Qb6#
- 1...Be2
- 2.Qb6#
- 1...Ba4
- 2.Sd3#
- 2.Qb6#
- 1...d4
- 2.Rc4#
- 2.Qc4#
- 2.Qa5#
- 2.Qb6#
- 1...Rxc8!
- threat
- 1.Qe3+?
- 1...Qd4
- 2.Qxd4#
- 2.Qxe7#
- 1...d4
- 2.Qxe7#
- 1...Rxe3!
- 1...Qd4
- 1.Rb5+?
- Keys
- 1.Qh7!
- threat
- 2.Sd3#
- 2.Qxe7#
- 1...Qxa3
- 2.Qxe7#
- 1...Rexh7
- 2.Sd3#
- 2.Se6#
- 1...Rhxh7
- 2.Sd3#
- 1...Rxc8
- 2.Qxe7#
- 1...Qc3
- 2.Qxe7#
- 1...Qd4
- 2.Qxe7#
- 1...Qe5
- 2.Sd3#
- 1...Qb1
- 2.Qxe7#
- 1...Re1
- 2.Sd3#
- 2.Qa7#
- 1...Re2
- 2.Sd3#
- 2.Qa7#
- 1...Re3
- 2.Qa7#
- 1...Re4
- 2.Qa7#
- 1...Re5
- 2.Sd3#
- 2.Qa7#
- 1...Re6
- 2.Sd3#
- 2.Sxe6#
- 2.Qa7#
- 1...Ra7
- 2.Sd3#
- 2.Se6#
- 2.Qxa7#
- 1...Rb7
- 2.Sd3#
- 2.Se6#
- 1...Rc7
- 2.Sd3#
- 2.Se6#
- 1...Rd7
- 2.Sd3#
- 2.Se6#
- 1...Rf7
- 2.Sd3#
- 2.Se6#
- 1...Rg7
- 2.Sd3#
- 2.Se6#
- 1...Ree8
- 2.Sd3#
- 2.Qa7#
- 1...Rd8
- 2.Sd3#
- 1...Rhe8
- 2.Sd3#
- 1...Bc2
- 2.Qxe7#
- 1...Be2
- 2.Qxe7#
- 1...d4
- 2.Qxe7#
- threat
- 1.Qh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 10
- REMOVED MATES = 10
- Sets
- Q(a);N_GUARD::QAR2(B),XQ(a)
- Q(a);N_GUARD,P_PINS(D)::QAB1(B),XQ(a)
- Q(a);N_GUARD::QAB1(B)
- Q(a);N_GUARD,XP(A)::QAB1(B)
- R(i);N_GUARD::S(D),XR(i)
- R(i);N_GUARD::S(D)
- P(d);N_GUARD::QAR1(B)
- Tries
- Try
- R(C);CHECK
- Vars
- P(f);SBLOCK,XR(C)::QAR1(B),XP(d)
- Refutation
- P(e);XR(C)
- Try
- Q(B);CHECK
- Refutation
- B(b);XQ(B)
- Try
- Q(B);CHECK
- Vars
- P(e);XQ(B)::S(D)
- Refutation
- P(f);XQ(B)
- Try
- Q(B);XP(e)
- Threat
- DUALS(3)
- Vars
- Q(a);XP(A)::QAB1(B)
- B(b);::QAB1(B)
- Refutation
- R(j);XS(F)
- Try
- Q(B);CHECK
- Vars
- P(d);P_SPINP(d)::QAB(B),XR(i)
- Refutation
- R(i);XQ(B)
- Try
- Actual
- Q(B);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(A)::QAB(B),XR(i)
- R(j);XQ(B)::S(D)
- R(j);XS(F)::QAB(B),XR(i)
- Q(a);::QAB(B),XR(i)
- Q(a);P_PINS(D)::QAB(B),XR(i)
- Q(a);::S(D)
- R(i);OGATE::QAB(B)
- R(i);OGATE,P_PINS(D)::QAB(B)
- R(j);::S(D)
- B(b);::QAB(B),XR(i)
- P(d);::QAB(B),XR(i)
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