MESON Chess Problem Database
Problem Display
PID: 181946 (b7/1PB5/4N1Kp/1PQp1P2/4k3/2b1Prp1/r3P1N1/4q3 w - - 0 1)
Rice, John Michael
12/14 Place, 10. WCCT, 2016-2017
#2
10 + 9
| 16140 | 10. WCCT Award | 2017 |
| 56 | The Problemist | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rxe3
- 2.Qxe3#
- 1...Bb2
- 2.Qc2#
- 1...Bd2
- 2.Qd4#
- 1...Bb4
- 2.Qd4#
- 1...Bd4
- 2.Qxd4#
- 1...Ba5
- 2.Qd4#
- 1...d4
- 2.Qe5#
- 2.Qc6#
- 1...h5
- 2.Sg5#
- 1...Rxe3
- Tries
- 1.Qa3?
- threat
- 2.Sc5#
- 1...d4
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bb4
- 2.Qd3#
- 1...Bd4
- 2.Qd3#
- 1...Rxe3!
- threat
- 1.Qd6?
- threat
- 2.Sc5#
- 1...Rxe3
- 2.Qf4#
- 1...Bb4
- 2.Qe5#
- 1...Bd4!
- threat
- 1.Qa7?
- threat
- 2.Sc5#
- 1...Rxe3
- 2.Qxe3#
- 1...d4
- 2.bxa8Q#
- 2.bxa8B#
- 1...Bb4
- 2.Qd4#
- 1...Bd4
- 2.Qxd4#
- 1...Ra6!
- threat
- 1.Qe7?
- threat
- 2.Sd4#
- 2.Sc5#
- 2.Sg5#
- 1...Qxe2
- 2.Sc5#
- 1...Rxe2
- 2.Sc5#
- 1...Rxe3
- 2.Qh4#
- 1...Rxf5
- 2.Sc5#
- 2.Sg5#
- 1...d4
- 2.Sef4#
- 1...Bb4
- 2.Sc5#
- 2.Sg5#
- 1...Bd4
- 2.Sxd4#
- 2.Sc5#
- 2.Sg5#
- 1...Be5
- 2.Sc5#
- 1...Bf6
- 2.Sc5#
- 2.Sg5#
- 1...Bg7
- 2.Sc5#
- 2.Sg5#
- 2.Sxg7#
- 1...Bh8
- 2.Sc5#
- 2.Sg5#
- 2.Sg7#
- 1...Ra6!
- threat
- 1.Qxc3?
- threat
- 2.Sc5#
- 2.Qd4#
- 2.Qe5#
- 2.Qd3#
- 1...Qxe2
- 2.Sc5#
- 2.Qd4#
- 1...Rxe2
- 2.Sc5#
- 2.Qd4#
- 1...Rxe3
- 2.Sc5#
- 2.Qd4#
- 2.Qe5#
- 2.Qxe3#
- 1...Rxf5
- 2.Sc5#
- 2.Qd4#
- 2.Qd3#
- 1...d4
- 2.Qxd4#
- 2.Qc6#
- 1...Ra6
- 2.Qd4#
- 2.Qe5#
- 2.Qc2#
- 2.Qd3#
- 1...Qd2
- 2.Sc5#
- 2.Qe5#
- 1...Qa1
- 2.Sc5#
- 2.Qd3#
- 1...Qb1
- 2.Sc5#
- 2.Qd4#
- 2.Qe5#
- 1...Qd1
- 2.Sc5#
- 2.Qe5#
- 1...Rd2
- 2.Sc5#
- 2.Qe5#
- 1...Ra3
- 2.Sc5#
- 2.Qd4#
- 2.Qe5#
- 1...Ra4
- 2.Sc5#
- 2.Qe5#
- 2.Qc2#
- 2.Qd3#
- 1...Qxc3!
- threat
- 1.Qc4+?
- 1...Bd4
- 2.Sc5#
- 2.Qd3#
- 2.Qxd4#
- 1...d4
- 2.Sc5#
- 2.Qc6#
- 1...dxc4!
- 1...Bd4
- 1.Qa3?
- Keys
- 1.Qb6!
- threat
- 2.Sc5#
- 1...Rxe3
- 2.Qxe3#
- 1...d4
- 2.Qc6#
- 1...Bb4
- 2.Qd4#
- 1...Bd4
- 2.Qxd4#
- threat
- 1.Qb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- R(d);OGATE,XP(C)::QAR1(E),XR(d)
- B(c);OGATE::QAB(E)
- B(c);N_GUARD::QAR1(E)
- B(c);N_GUARD::QAR1(E),XB(c)
- P(h);N_GUARD::S(G)
- Tries
- Try
- Q(E);
- Threat
- S(G)
- Vars
- P(g);::PXB(i)=Q
- B(c);OGATE::QAB1(E)
- Refutation
- R(d);XP(C)
- Try
- Q(E);
- Threat
- S(G)
- Vars
- R(d);N_GUARD,XP(C)::QAR1(E)
- B(c);N_GUARD::QAR1(E)
- Refutation
- B(c);
- Try
- Q(E);
- Threat
- S(G)
- Vars
- R(d);OGATE,XP(C)::QAR1(E),XR(d)
- P(g);::PXB(i)=Q
- B(c);N_GUARD::QAR1(E)
- B(c);N_GUARD::QAR1(E),XB(c)
- Refutation
- R(b);P_PINS(G)
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- Q(a);XP(A)::QAR(E)+S(G),DCHECK
- R(b);XP(A)::QAR(E)+S(G),DCHECK
- R(d);N_GUARD,XP(C)::QAR(E)
- P(g);S_CUTB(c)::QAR(E)+S(G)
- B(c);::S(G)
- Refutation
- R(b);P_PINS(G)
- Try
- Q(E);XB(c)
- Threat
- DUALS(4)
- Refutation
- Q(a);XQ(E)
- Try
- Q(E);CHECK
- Refutation
- P(g);XQ(E)
- Try
- Actual
- Q(E);
- Threat
- S(G)
- Vars
- R(d);OGATE,XP(C)::QAR1(E),XR(d)
- P(g);OGATEB::QAB(E)
- B(c);N_GUARD::QAR1(E)
- B(c);N_GUARD::QAR1(E),XB(c)
Developed and maintained by Brian Stephenson.
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