MESON Chess Problem Database
Problem Display
PID: 7928 (Q7/7K/8/8/8/p4B2/r5R1/7k w - - 0 1)
Lincoln, Robert A
The Problemist, 1994
#2
4 + 3
| 2838 | Fun with Chess Miniatures | 1996 |
SOLUTION
- SOUND
- Tries
- 1.Qe4?
- threat
- 2.Qb1#
- 2.Qe1#
- 2.Qh4#
- 1...Ra1
- 2.Qh4#
- 1...Rb2
- 2.Qe1#
- 2.Qh4#
- 1...Rc2
- 2.Qe1#
- 2.Qh4#
- 1...Rd2
- 2.Qe1#
- 2.Qh4#
- 1...Re2
- 2.Qh4#
- 1...Rf2
- 2.Qh4#
- 1...Rxg2!
- threat
- 1.Qd5?
- threat
- 2.Qd1#
- 2.Qh5#
- 1...Ra1
- 2.Qh5#
- 1...Rd2
- 2.Qh5#
- 1...Re2
- 2.Qh5#
- 1...Rf2
- 2.Qh5#
- 1...Rxg2!
- threat
- 1.Qc6?
- threat
- 2.Qc1#
- 2.Qh6#
- 1...Ra1
- 2.Qh6#
- 1...Rc2
- 2.Qh6#
- 1...Rd2
- 2.Qh6#
- 1...Re2
- 2.Qh6#
- 1...Rf2
- 2.Qh6#
- 1...Rxg2!
- threat
- 1.Qa4?
- threat
- 2.Qd1#
- 2.Qh4#
- 1...Ra1
- 2.Qh4#
- 1...Rc2
- 2.Qh4#
- 1...Rd2
- 2.Qh4#
- 1...Re2
- 2.Qh4#
- 1...Rf2
- 2.Qh4#
- 1...Rxg2!
- threat
- 1.Qa5?
- threat
- 2.Qe1#
- 2.Qh5#
- 1...Ra1
- 2.Qh5#
- 1...Rd2
- 2.Qh5#
- 1...Re2
- 2.Qh5#
- 1...Rf2
- 2.Qh5#
- 1...Rxg2!
- threat
- 1.Qa6?
- threat
- 2.Qf1#
- 2.Qh6#
- 1...Ra1
- 2.Qh6#
- 1...Re2
- 2.Qh6#
- 1...Rf2
- 2.Qh6#
- 1...Rxg2!
- threat
- 1.Qb8?
- threat
- 2.Qh2#
- 2.Qb1#
- 1...Ra1
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 2.Qh2#
- 1...Rb2
- 2.Qh2#
- 1...Rc2
- 2.Qh2#
- 1...Rd2
- 2.Qh2#
- 1...Re2
- 2.Qh2#
- 1...Rf2
- 2.Qh2#
- 1...Rxg2!
- threat
- 1.Qc8?
- threat
- 2.Qh3#
- 2.Qc1#
- 1...Ra1
- 2.Qh3#
- 1...Rc2
- 2.Qh3#
- 1...Rd2
- 2.Qh3#
- 1...Re2
- 2.Qh3#
- 1...Rf2
- 2.Qh3#
- 1...Rxg2!
- threat
- 1.Qd8?
- threat
- 2.Qh4#
- 2.Qd1#
- 1...Ra1
- 2.Qh4#
- 1...Rd2
- 2.Qh4#
- 1...Re2
- 2.Qh4#
- 1...Rf2
- 2.Qh4#
- 1...Rxg2!
- threat
- 1.Qe8?
- threat
- 2.Qh5#
- 2.Qe1#
- 1...Ra1
- 2.Qh5#
- 1...Re2
- 2.Qh5#
- 1...Rf2
- 2.Qh5#
- 1...Rxg2!
- threat
- 1.Qe4?
- Keys
- 1.Qg8!
- threat
- 2.Rxa2#
- 2.Rb2#
- 2.Rc2#
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 1...Rxg2
- 2.Qxg2#
- 1...Ra1
- 2.Ra2#
- 2.Rb2#
- 2.Rc2#
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 1...Rb2
- 2.Rxb2#
- 2.Rc2#
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 1...Rc2
- 2.Rxc2#
- 2.Rd2#
- 2.Re2#
- 2.Rf2#
- 1...Rd2
- 2.Rxd2#
- 2.Re2#
- 2.Rf2#
- 1...Re2
- 2.Rxe2#
- 2.Rf2#
- 1...Rf2
- 2.Rxf2#
- threat
- 1.Qg8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- R(b);SBLOCK::QAR(D)
- R(b);::QAR(D)
- Refutation
- R(b);P_SPINR(b),XR(A)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(b);SBLOCK::QAR(D)
- R(b);::QAR(D)
- Refutation
- R(b);P_SPINR(b),XR(A)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(b);SBLOCK::QAR(D)
- R(b);::QAR(D)
- Refutation
- R(b);P_SPINR(b),XR(A)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(b);SBLOCK::QAR(D)
- R(b);::QAR(D)
- Refutation
- R(b);P_SPINR(b),XR(A)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(b);SBLOCK::QAR(D)
- R(b);::QAR(D)
- Refutation
- R(b);P_SPINR(b),XR(A)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(b);SBLOCK::QAR(D)
- R(b);::QAR(D)
- Refutation
- R(b);P_SPINR(b),XR(A)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(b);::QAR1(D)
- Refutation
- R(b);P_SPINR(b),XR(A)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(b);SBLOCK::QAR2(D)
- R(b);::QAR2(D)
- Refutation
- R(b);P_SPINR(b),XR(A)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(b);SBLOCK::QAR(D)
- R(b);::QAR(D)
- Refutation
- R(b);P_SPINR(b),XR(A)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(b);SBLOCK::QAR(D)
- R(b);::QAR(D)
- Refutation
- R(b);P_SPINR(b),XR(A)
- Try
- Actual
- Q(D);
- Threat
- DUALS(6)
- Vars
- R(b);OGATE,P_SPINR(b),XR(A)::QAB1(D),XR(b)
- R(b);::B(B)+R(A),XR(b)
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