MESON Chess Problem Database
Problem Display
PID: 52552 (B1rN4/2p4R/Rn1k1K2/7Q/1rn3N1/B6p/6b1/8 w - - 0 1)
Howard, Kenneth Samuel
The Observer, 1935
(First published on Sun Nov 17 1935)
#2
8 + 8
| 5089 | The Enjoyment of Chess Problems | 1943 |
| 15239 | Valois Notebooks | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Qd5#
- 1...Bd5
- 2.Qxd5#
- 1...Bc6
- 2.Bxb4#
- 1...Sb2
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sxa3
- 2.Qe5#
- 1...Se3
- 2.Qe5#
- 1...Sa5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...c6
- 2.Sb7#
- 1...Bf1
- Tries
- 1.Sb7+?
- 1...Kc6
- 2.Qc5#
- 1...Bxb7!
- 1...Kc6
- 1.Bxg2?
- threat
- 2.Sb7#
- 2.Qd5#
- 1...Rxd8
- 2.Qd5#
- 1...Se5
- 2.Sb7#
- 2.Qxe5#
- 1...Rb8
- 2.Qd5#
- 1...Se3
- 2.Sb7#
- 2.Qe5#
- 1...Sa5
- 2.Qd5#
- 2.Qe5#
- 1...c6
- 2.Sb7#
- 1...hxg2!
- threat
- 1.Bf3?
- threat
- 2.Sb7#
- 2.Qd5#
- 1...Rxd8
- 2.Qd5#
- 1...Se5
- 2.Sb7#
- 2.Qxe5#
- 1...Rb8
- 2.Qd5#
- 1...Se3
- 2.Sb7#
- 2.Qe5#
- 1...Sa5
- 2.Qd5#
- 2.Qe5#
- 1...c6
- 2.Sb7#
- 1...Bxf3!
- threat
- 1.Be4?
- threat
- 2.Sb7#
- 2.Qd5#
- 1...Rxd8
- 2.Qd5#
- 1...Se5
- 2.Sb7#
- 2.Qxe5#
- 1...Rb8
- 2.Qd5#
- 1...Se3
- 2.Sb7#
- 2.Qe5#
- 1...Sa5
- 2.Qd5#
- 2.Qe5#
- 1...c6
- 2.Sb7#
- 1...Bxe4!
- threat
- 1.Rxb6+?
- 1...Bc6
- 2.Sb7#
- 2.Bxb4#
- 2.Rxc6#
- 1...Sxb6
- 2.Qe5#
- 1...c6
- 2.Sb7#
- 2.Bxb4#
- 1...cxb6!
- 1...Bc6
- 1.Qb5?
- threat
- 2.Sf7#
- 2.Rd7#
- 1...c5
- 2.Rd7#
- 2.Qd7#
- 1...Bd5
- 2.Rd7#
- 2.Qxd5#
- 1...Bc6
- 2.Bxb4#
- 2.Qxc6#
- 1...Se5
- 2.Qxe5#
- 1...c6
- 2.Sb7#
- 1...Rxd8!
- threat
- 1.Qf5?
- threat
- 2.Sf7#
- 2.Rd7#
- 1...Rxa8
- 2.Rd7#
- 1...Bxa8
- 2.Rd7#
- 1...Bd5
- 2.Qxd5#
- 1...Se5
- 2.Qxe5#
- 1...c5
- 2.Rd7#
- 2.Qe6#
- 2.Qd7#
- 1...Bc6
- 2.Sf7#
- 2.Bxb4#
- 1...Bb7
- 2.Rd7#
- 1...c6
- 2.Sb7#
- 1...Rxd8!
- threat
- 1.Sb7+?
- Keys
- 1.Se3!
- threat
- 2.Sxc4#
- 1...Sxa3
- 2.Qe5#
- 1...Sxe3
- 2.Qe5#
- 1...Bd5
- 2.Qxd5#
- 1...Se5
- 2.Qxe5#
- 1...Bf1
- 2.Qd5#
- 1...Bc6
- 2.Bxb4#
- 1...Sb2
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sa5
- 2.Qe5#
- 1...c5
- 2.Sf5#
- 1...c6
- 2.Sb7#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::QAR1(C)
- B(a);N_GUARD::QAR1(C),XB(a)
- B(a);N_SPINS(e),S_CUTP(g)::B(A),XR(c)
- S(d);N_GUARD::QAB1(C)
- S(d);N_GUARD,N_SPINR(c),XB(A)::QAB1(C)
- S(d);N_GUARD::QAB1(C),XS(d)
- P(g);N_SPINS(e),SBLOCK,S_CUTB(a)::S(H)
- Tries
- Try
- S(H);CHECK
- Vars
- K(f);N_SPINR(c),P-FLIGHT::QAR1(C)
- Refutation
- B(a);XS(H)
- Try
- B(G);XB(a)
- Threat
- DUALS(2)
- Vars
- R(h);XS(H)::QAR1(C)
- R(h);::QAR1(C)
- P(g);N_SPINS(e)::S(H)
- Refutation
- P(b);XB(G)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- R(h);XS(H)::QAR1(C)
- R(h);::QAR1(C)
- P(g);N_SPINS(e)::S(H)
- Refutation
- B(a);XB(G)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- R(h);XS(H)::QAR1(C)
- R(h);::QAR1(C)
- P(g);N_SPINS(e)::S(H)
- Refutation
- B(a);XB(G)
- Try
- R(D);CHECK,XS(e)
- Vars
- S(d);XR(D)::QAB1(C)
- Refutation
- P(g);XR(D)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- S(d);N_GUARD::QAB1(C),XS(d)
- P(g);N_SPINS(e),S_CUTB(a)::S(H)
- Refutation
- R(h);XS(H)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(h);XB(G)::R1(F)
- B(a);XB(G)::R1(F)
- B(a);N_GUARD::QAR1(C),XB(a)
- S(d);N_GUARD::QAB1(C),XS(d)
- B(a);::R1(F)
- P(g);N_SPINS(e),SBLOCK,S_CUTB(a)::S(H)
- Refutation
- R(h);XS(H)
- Try
- Actual
- S(B);
- Threat
- S(B),XS(d)
- Vars
- S(d);N_GUARD,N_SPINR(c),XB(A)::QAB1(C)
- S(d);N_GUARD,XS(B)::QAB1(C)
- B(a);N_GUARD::QAR1(C),XB(a)
- S(d);N_GUARD::QAB1(C),XS(d)
- B(a);N_GUARD::QAR1(C)
- B(a);N_SPINS(e),S_CUTP(g)::B(A),XR(c)
- S(d);N_GUARD::QAB1(C)
- P(g);N_SPINR(c),SBLOCK::S(B)
- P(g);N_SPINS(e),SBLOCK,S_CUTB(a)::S(H)
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