MESON Chess Problem Database
Problem Display
PID: 22081 (b3B1n1/r3BN2/r3kp2/bp3N2/1p2P3/1K1Q4/8/8 w - - 0 1)
Powell, Alfred Peter
Empire Review, 1924
#2
7 + 9
| 887 | Mate in Two Moves | 1931 |
SOLUTION
- SOUND
- Sets
- 1...Rc6
- 2.Qd5#
- 1...Rd6
- 2.Qxd6#
- 1...Rb7
- 2.Qd5#
- 1...Rd7
- 2.Qxd7#
- 1...Rxe7
- 2.Sd4#
- 2.Sg7#
- 1...Bb6
- 2.Qd6#
- 1...Bc7
- 2.Qd7#
- 1...Bxe4
- 2.Qxe4#
- 1...Bd5+
- 2.Qxd5#
- 2.exd5#
- 1...Bc6
- 2.Qd6#
- 1...Bb7
- 2.Qd7#
- 1...Sxe7
- 2.Sd4#
- 2.Sg7#
- 1...Rc6
- Tries
- 1.Sg5+?
- 1...Ke5
- 2.Qg3#
- 1...fxg5!
- 1...Ke5
- 1.Bc5?
- threat
- 2.Sd4#
- 2.Sg7#
- 1...Bd5+
- 2.Qxd5#
- 2.exd5#
- 1...Bxe4
- 2.Sg7#
- 2.Qxe4#
- 1...Rd6
- 2.Qxd6#
- 1...Rd7
- 2.Sg7#
- 2.Qxd7#
- 1...Rxf7!
- threat
- 1.Bd6?
- threat
- 2.Sd4#
- 2.Sg7#
- 1...Bd5+
- 2.Qxd5#
- 2.exd5#
- 1...Rxd6
- 2.Qxd6#
- 1...Bxe4
- 2.Sg7#
- 2.Qxe4#
- 1...Bb6
- 2.Sg7#
- 1...Rxf7!
- threat
- 1.Bf8?
- threat
- 2.Sd4#
- 2.Sg7#
- 1...Bd5+
- 2.Qxd5#
- 2.exd5#
- 1...Bxe4
- 2.Sg7#
- 2.Qxe4#
- 1...Rd6
- 2.Sg7#
- 2.Qxd6#
- 1...Rd7
- 2.Sg7#
- 2.Qxd7#
- 1...Bb6
- 2.Sg7#
- 2.Qd6#
- 1...Rxf7!
- threat
- 1.Qc4+?
- 1...Bd5
- 2.Qxd5#
- 1...bxc4+!
- 1...Bd5
- 1.Qd8?
- threat
- 2.Sd4#
- 2.Sg7#
- 1...Bd5+
- 2.Qxd5#
- 1...Rd6
- 2.Sg7#
- 2.Qxd6#
- 1...Rd7
- 2.Sg7#
- 2.Qxd7#
- 1...Bb6
- 2.Sg7#
- 2.Qd6#
- 1...Bxd8!
- threat
- 1.Sg5+?
- Keys
- 1.Qd4!
- 1...Bd5+
- 2.Qxd5#
- 1...Rxe7
- 2.Sg7#
- 1...Bxe4
- 2.Qxe4#
- 1...Sxe7
- 2.Sg7#
- 1...Rb6
- 2.Sd8#
- 1...Rc6
- 2.Qd5#
- 1...Rd6
- 2.Qxd6#
- 1...Rb7
- 2.Qd5#
- 1...Rc7
- 2.Sd8#
- 1...Rd7
- 2.Qxd7#
- 1...Bb6
- 2.Qd6#
- 1...Bc7
- 2.Qd7#
- 1...Bd8
- 2.Sxd8#
- 1...Bc6
- 2.Qd6#
- 1...Bb7
- 2.Qd7#
- 1...Sh6
- 2.Qxf6#
- 1...Bd5+
- 1.Qd4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- R(d);S_CUTB(h)::QAB1(B)
- R(d);N_GUARD::QAR1(B),XR(d)
- R(g);S_CUTB(h)::QAB1(B)
- R(g);N_GUARD::QAB1(B),XR(g)
- B(b);S_CUTR(d)::QAR1(B)
- B(b);S_CUTR(g)::QAB1(B)
- B(h);OGATE,XP(C)::QAR2(B),XB(h)
- B(h);S_CUTR(d)::QAR1(B)
- B(h);S_CUTR(g)::QAB1(B)
- Tries
- Try
- S(F);CHECK
- Vars
- K(e);P-FLIGHT::QAB(B)
- Refutation
- P(f);XS(F)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(d);N_GUARD::QAR1(B),XR(d)
- Refutation
- R(g);XS(F)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(d);OGATE,XB(E)::QAR1(B),XR(d)
- B(b);::S(D)
- Refutation
- R(g);XS(F)
- Try
- B(E);
- Threat
- DUALS(2)
- Refutation
- R(g);XS(F)
- Try
- Q(B);CHECK
- Vars
- B(h);N_GUARD,P_PINQ(B),P_SPINB(h)::QAB1(B),XB(h)
- Refutation
- P(c);CHECK,XQ(B)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- B(h);CHECK,N_GUARD::QAB1(B),XB(h)
- Refutation
- B(b);XQ(B)
- Try
- Actual
- Q(B);
- Vars
- B(h);CHECK,N_GUARD::QAB1(B),XB(h)
- R(g);SBLOCK,XB(E)::S(D)
- B(h);OGATE,XP(C)::QAR2(B),XB(h)
- S(i);SBLOCK,XB(E)::S(D)
- R(d);S_CUTB(b)::S(F)
- R(d);S_CUTB(h)::QAB1(B)
- R(d);N_GUARD::QAR1(B),XR(d)
- R(g);S_CUTB(h)::QAB1(B)
- R(g);S_CUTB(b)::S(F)
- R(g);N_GUARD::QAB1(B),XR(g)
- B(b);S_CUTR(d)::QAR1(B)
- B(b);S_CUTR(g)::QAB1(B)
- B(b);N_GUARD::S(F),XB(b)
- B(h);S_CUTR(d)::QAR1(B)
- B(h);S_CUTR(g)::QAB1(B)
- S(i);N_GUARD::QAR1(B),XP(f)
Developed and maintained by Brian Stephenson.
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