MESON Chess Problem Database
Problem Display
PID: 21749 (n1N5/1p1P4/8/B1kr4/B7/3RP1Q1/1N6/1n4K1 w - - 0 1)
Bonner Feast, Frederick
Birmingham Post, 1921
#2
9 + 5
| 3360 | Simple Two-move Themes | 1924 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Qxe5#
- 1...Rf5
- 2.Qd6#
- 1...Rg5
- 2.Qxg5#
- 1...Rh5
- 2.Qd6#
- 1...Rd6
- 2.Qxd6#
- 1...Sc3
- 2.Rxc3#
- 1...Sb6
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Re5
- Tries
- 1.Bb6+?
- 1...Kb4
- 2.Rb3#
- 1...Sxb6!
- 1...Kb4
- 1.Qf4?
- threat
- 2.Bb4#
- 2.Qb4#
- 2.Qc4#
- 1...Rg5+
- 2.Qxg5#
- 1...Rxd3
- 2.Qc4#
- 1...Rd4
- 2.Qxd4#
- 1...Sd2
- 2.Bb4#
- 2.Qb4#
- 1...Sa3
- 2.Bb4#
- 2.Qb4#
- 1...Sb6
- 2.Bb4#
- 2.Bxb6#
- 2.Qc7#
- 2.Qb4#
- 1...b5!
- threat
- 1.Qh4?
- threat
- 2.Bb4#
- 2.Qb4#
- 2.Qc4#
- 1...Rg5+
- 2.Qxg5#
- 1...Rxd3
- 2.Qc4#
- 1...Rd4
- 2.Qxd4#
- 1...Sd2
- 2.Bb4#
- 2.Qb4#
- 1...Sa3
- 2.Bb4#
- 2.Qb4#
- 1...Sb6
- 2.Bb4#
- 2.Bxb6#
- 2.Qb4#
- 1...b5!
- threat
- 1.Qe5?
- threat
- 2.Rxd5#
- 2.Qxd5#
- 1...b5
- 2.Qxd5#
- 1...Sc3
- 2.Rxc3#
- 2.Qxc3#
- 1...Sb6
- 2.Qc7#
- 1...Sc7
- 2.Qxc7#
- 1...Rxe5!
- threat
- 1.Qg4?
- threat
- 2.Bb4#
- 2.Qb4#
- 2.Qc4#
- 1...Rxd3
- 2.Qc4#
- 1...Rd4
- 2.Qxd4#
- 1...Rg5
- 2.Bb4#
- 2.Qxg5#
- 1...Sd2
- 2.Bb4#
- 2.Qb4#
- 1...Sa3
- 2.Bb4#
- 2.Qb4#
- 1...Sb6
- 2.Bb4#
- 2.Bxb6#
- 2.Qb4#
- 1...b5!
- threat
- 1.Bb6+?
- Keys
- 1.Sb6!
- threat
- 2.Rxd5#
- 1...Rxd3
- 2.Sxd3#
- 1...Rxd7
- 2.Sxd7#
- 1...Sxb6
- 2.Qc7#
- 1...Rd4
- 2.exd4#
- 1...Re5
- 2.Qxe5#
- 1...Rf5
- 2.Qd6#
- 1...Rg5
- 2.Qxg5#
- 1...Rh5
- 2.Qd6#
- 1...Rd6
- 2.Qxd6#
- 1...Sc3
- 2.Rxc3#
- 1...Sc7
- 2.Qxc7#
- threat
- 1.Sb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(c);OGATEB::QAR2(E),XR(c)
- R(c);N_GUARD::QAB1(E)
- R(c);OGATEB,P_PINQ(E)::QAR(E),XR(c)
- R(c);N_GUARD::QAB1(E),XR(c)
- S(a);N_GUARD::R(C),XS(a)
- S(e);N_GUARD::QAR2(E)
- S(e);N_GUARD::QAR2(E),XS(e)
- Tries
- Try
- B(G);CHECK
- Vars
- K(b);S_FLIGHT::R1(C)
- Refutation
- S(e);XB(G)
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- R(c);CHECK,OGATEB::QAR(E),XR(c)
- R(c);XR(C)::QAR1(E)
- R(c);N_GUARD::QAB1(E),XR(c)
- Refutation
- P(d);
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- R(c);CHECK,OGATEB::QAR(E),XR(c)
- R(c);XR(C)::QAR1(E)
- R(c);N_GUARD::QAB1(E),XR(c)
- Refutation
- P(d);
- Try
- Q(E);P_PINR(c)
- Threat
- DUALS(2)
- Vars
- P(d);::QAR1(E),XR(c)
- S(e);N_GUARD::QAR2(E)
- S(e);N_GUARD::QAR2(E),XS(e)
- Refutation
- R(c);N_SPINR(c),XQ(E)
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- R(c);XR(C)::QAR1(E)
- R(c);N_GUARD::QAB1(E),XR(c)
- Refutation
- P(d);
- Try
- Actual
- S(I);
- Threat
- R1(C),XR(c)
- Vars
- R(c);XR(C)::S(B),XR(c)
- R(c);XP(H)::S(I),XR(c)
- S(e);N_GUARD,XS(I)::QAR2(E)
- R(c);OGATE::P(D),XR(c)
- R(c);OGATEB::QAR2(E),XR(c)
- R(c);N_GUARD::QAB1(E)
- R(c);OGATEB,P_PINQ(E)::QAR(E),XR(c)
- R(c);N_GUARD::QAB1(E),XR(c)
- S(a);N_GUARD::R(C),XS(a)
- S(e);N_GUARD::QAR2(E),XS(e)
Developed and maintained by Brian Stephenson.
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