MESON Chess Problem Database
Problem Display
PID: 441 (1B2R3/2pK2n1/4pp2/4k2p/p2R2P1/1brQ3N/q2n1N2/b2r3B w - - 0 1)
Gooderson, Arthur R
The Observer, 1953
(First published on Sun Aug 16 1953)
#2
9 + 13
| 3207 | A R Gooderson An English Progressive | 1996 |
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rc4
- 2.Rd5#
- 1...Bc4
- 2.Bxc7#
- 1...Sb1
- 2.Re4#
- 2.Qe4#
- 1...Sf1
- 2.Re4#
- 2.Qe4#
- 1...Sf3
- 2.Re4#
- 2.Qe4#
- 1...Sc4
- 2.Re4#
- 2.Rd5#
- 2.Qe4#
- 1...Se4
- 2.Rxe4#
- 2.Qxe4#
- 1...hxg4
- 2.Sxg4#
- 1...Rc4
- Tries
- 1.Rc4?
- threat
- 2.Bxc7#
- 2.Qd4#
- 2.Qd5#
- 1...Rxd3+
- 2.Sxd3#
- 1...Rxh1
- 2.Bxc7#
- 2.Qd4#
- 1...Rxc4
- 2.Qd5#
- 1...Bxc4
- 2.Bxc7#
- 1...Sxe8
- 2.Qd4#
- 1...hxg4
- 2.Sxg4#
- 2.Bxc7#
- 2.Qd5#
- 1...f5
- 2.Qd4#
- 1...Qa3
- 2.Qd4#
- 2.Qd5#
- 1...Rcc1
- 2.Bxc7#
- 2.Qg3#
- 2.Qd5#
- 1...Rc2
- 2.Bxc7#
- 2.Qg3#
- 2.Qd5#
- 1...Sb1
- 2.Bxc7#
- 2.Re4#
- 1...Sf1
- 2.Bxc7#
- 2.Re4#
- 1...Sf3
- 2.Bxc7#
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sf5
- 2.Rxe6#
- 2.Qxf5#
- 2.Qd5#
- 1...Sxc4!
- threat
- 1.Rd6?
- threat
- 2.Qd4#
- 1...Rxd3
- 2.Sxd3#
- 1...hxg4
- 2.Sxg4#
- 1...cxd6
- 2.Bxd6#
- 2.Qxd6#
- 1...Rcc1
- 2.Qg3#
- 1...Rc2
- 2.Qg3#
- 1...Rc4
- 2.Rd5#
- 2.Qd5#
- 1...Rc5
- 2.Qg3#
- 1...Rc6
- 2.Qg3#
- 1...Sb1
- 2.Qe4#
- 1...Sf1
- 2.Qe4#
- 1...Sf3
- 2.Qe4#
- 1...Sc4
- 2.Rd5#
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sf5
- 2.Qxf5#
- 1...c5
- 2.Rd4#
- 2.Rd5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rdxe6#
- 1...Bd5!
- threat
- 1.Qe3+?
- 1...Se4
- 2.Qxe4#
- 1...Rxe3!
- 1...Se4
- 1.Rc4?
- Keys
- 1.Rb4!
- threat
- 2.Qd4#
- 1...Rxd3+
- 2.Sxd3#
- 1...hxg4
- 2.Sxg4#
- 1...Rcc1
- 2.Qg3#
- 1...Rc2
- 2.Qg3#
- 1...Rc4
- 2.Qd5#
- 1...Rc5
- 2.Qg3#
- 1...Rc6
- 2.Qg3#
- 1...Bc4
- 2.Bxc7#
- 1...Sb1
- 2.Re4#
- 1...Sf1
- 2.Re4#
- 1...Sf3
- 2.Re4#
- 1...Sc4
- 2.Rb5#
- 1...Se4
- 2.Rxe4#
- 1...Sf5
- 2.Qxf5#
- threat
- 1.Rb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 11
- REMOVED MATES = 0
- Sets
- R(f);S_CUTB(e)::R1(E)
- B(e);S_CUTR(f)::B(H),XP(l)
- P(i);XP(F)::S(B),XP(i)
- Tries
- Try
- R(E);
- Threat
- DUALS(3)
- Vars
- R(f);CHECK,XQ(C)::S(B),XR(f)
- R(f);XR(E)::QAR1(C)
- B(e);XR(E)::B(H),XP(l)
- S(m);N_SPINP(j),P_SPINP(l),XR(I)::QAB1(C)
- P(k);::QAB1(C)
- S(d);N_GUARD,P_PINQ(C)::R1(E),XS(d)
- Refutation
- S(d);P_PINQ(C),XR(E)
- Try
- R(E);
- Threat
- QAB1(C)
- Vars
- R(f);P_PINR(E),XQ(C)::S(B),XR(f)
- P(i);XP(F)::S(B),XP(i)
- R(f);N_GUARD::QAB(C)
- S(d);N_GUARD::QAR1(C)
- S(d);N_GUARD::QAR1(C),XS(d)
- S(m);N_GUARD::QAR1(C),XS(m)
- Refutation
- B(e);
- Try
- Q(C);CHECK
- Vars
- S(d);N_GUARD,P_PINR(E),P_SPINS(d)::QAR1(C),XS(d)
- Refutation
- R(f);XQ(C)
- Try
- Actual
- R(E);
- Threat
- QAB1(C)
- Vars
- R(f);CHECK,XQ(C)::S(B),XR(f)
- P(i);XP(F)::S(B),XP(i)
- R(f);N_GUARD::QAB(C)
- R(f);S_CUTB(e)::QAR1(C)
- B(e);S_CUTR(f)::B(H),XP(l)
- S(d);N_GUARD,P_PINQ(C)::R1(E)
- S(d);P_PINQ(C),S_CUTB(e),S_CUTR(f)::R(E)
- S(d);N_GUARD,P_PINQ(C)::R1(E),XS(d)
- S(m);N_GUARD::QAR1(C),XS(m)
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