MESON Chess Problem Database
Problem Display
PID: 132332 (3n4/2r1N3/1Q6/RPN5/2kn2BR/8/PP2P3/3bBK2 w - - 0 1)
Rendall, JL
The Field, 1956
(First published on Thu Sep 27 1956)
#2
12 + 5
SOLUTION
- SOUND
- Sets
- 1...Bxe2+
- 2.Bxe2#
- 1...Ba4
- 2.Rxa4#
- 1...Sc2
- 2.Be6#
- 1...Sxe2
- 2.Bxe2#
- 2.Be6#
- 1...Sb3
- 2.Be6#
- 2.Ra4#
- 1...Sf3
- 2.Bxf3#
- 2.Be6#
- 1...Sxb5
- 2.Be6#
- 1...Sf5
- 2.Bxf5#
- 1...S4c6
- 2.Be6#
- 1...S4e6
- 2.Bxe6#
- 1...S8c6
- 2.Be6#
- 1...S8e6
- 2.Bxe6#
- 1...Sb7
- 2.Be6#
- 1...Sf7
- 2.Be6#
- 1...Bxe2+
- Tries
- 1.Sb3?
- threat
- 2.Ra4#
- 2.Qxd4#
- 1...Bxe2+
- 2.Bxe2#
- 1...Rxe7
- 2.Qxd4#
- 2.Qc5#
- 1...Sxe2
- 2.Bxe2#
- 1...Sxb3
- 2.Be6#
- 2.Ra4#
- 1...Sxb5
- 2.Be6#
- 2.Ra4#
- 2.Qxb5#
- 1...Rc5
- 2.Ra4#
- 2.Qxc5#
- 1...Ra7
- 2.Qxd4#
- 2.Qc5#
- 1...Rd7
- 2.Ra4#
- 2.Qc5#
- 1...Sc2
- 2.Be6#
- 1...Sf3
- 2.Bxf3#
- 2.Be6#
- 2.Ra4#
- 1...Sf5
- 2.Bxf5#
- 2.Ra4#
- 1...S4c6
- 2.Be6#
- 2.Qc5#
- 1...S4e6
- 2.Bxe6#
- 2.Ra4#
- 1...S8c6
- 2.Be6#
- 2.Qc5#
- 1...S8e6
- 2.Bxe6#
- 2.Ra4#
- 1...Bxb3!
- threat
- 1.Sd3?
- threat
- 2.Se5#
- 1...Rxe7
- 2.Qc5#
- 1...Rc5
- 2.Qxc5#
- 1...Sf3
- 2.Bxf3#
- 2.Be6#
- 1...S4c6
- 2.Be6#
- 2.Qc5#
- 1...S8c6
- 2.Be6#
- 2.Qc5#
- 1...Sf7
- 2.Be6#
- 1...Bxe2+!
- threat
- 1.Sd7?
- threat
- 2.Se5#
- 1...Bxe2+
- 2.Bxe2#
- 1...Rc5
- 2.Qxc5#
- 1...Sf3
- 2.Bxf3#
- 2.Be6#
- 1...S4c6
- 2.Be6#
- 2.Qc5#
- 1...S8c6
- 2.Be6#
- 2.Qc5#
- 1...Sf7
- 2.Be6#
- 1...Rxd7!
- threat
- 1.b3+?
- 1...Sxb3
- 2.Be6#
- 2.Ra4#
- 1...Bxb3!
- 1...Sxb3
- 1.Sb3?
- Keys
- 1.Se6!
- threat
- 2.Qxd4#
- 1...Bxe2+
- 2.Bxe2#
- 1...Sxe2
- 2.Bxe2#
- 1...Sxb5
- 2.Qxb5#
- 1...S4xe6
- 2.Bxe6#
- 1...S8xe6
- 2.Bxe6#
- 1...Rc5
- 2.Qxc5#
- 1...Rd7
- 2.Qc5#
- 1...Sc2
- 2.b3#
- 1...Sb3
- 2.Ra4#
- 1...Sf3
- 2.Bxf3#
- 1...Sf5
- 2.Bxf5#
- 1...S4c6
- 2.Qc5#
- 1...S8c6
- 2.Qc5#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- B(a);CHECK,OGATE,XP(E)::B(F),XB(a)
- B(a);N_GUARD::R(H),XB(a)
- S(c);::R(G)+B(F),DCHECK
- S(c);XP(I)::R(G)+B(F),DCHECK
- S(c);OGATEB::R(G)+B(F),XS(c)
- S(c);::R(G)+B(F),DCHECK,XS(c)
- S(e);N_GUARD::B(F)
- S(e);N_GUARD::B(F),XS(e)
- Tries
- Try
- S(J);
- Threat
- DUALS(2)
- Vars
- B(a);CHECK,OGATE,XP(E)::B(F),XB(a)
- S(c);OGATE,XP(E)::R(G)+B(F),DCHECK,XS(c)
- S(c);::R(G)+B(F),DCHECK
- Refutation
- B(a);XS(J)
- Try
- S(J);
- Threat
- S(J)
- Vars
- R(d);N_GUARD,XS(L)::QAR1(K)
- R(d);N_GUARD::QAR1(K),XR(d)
- S(e);N_GUARD::B(F)
- Refutation
- B(a);CHECK,XP(E)
- Try
- S(J);
- Threat
- S(J)
- Vars
- B(a);CHECK,OGATE,XP(E)::B(F),XB(a)
- R(d);N_GUARD::QAR1(K),XR(d)
- S(e);N_GUARD::B(F)
- Refutation
- R(d);XS(J)
- Try
- P(D);CHECK
- Refutation
- B(a);XP(D)
- Try
- Actual
- S(J);
- Threat
- QAR1(K),XS(c)
- Vars
- B(a);CHECK,OGATE,XP(E)::B(F),XB(a)
- S(c);OGATE,XP(E)::R(G)+B(F),DCHECK,XS(c)
- S(c);OGATE,XP(I)::QAB1(K),XS(c)
- S(c);OGATE,XS(J)::R(G)+B(F),DCHECK,XS(c)
- S(e);OGATE,XS(J)::B(F),XS(e)
- R(d);N_GUARD::QAR1(K),XR(d)
- R(d);N_GUARD::QAR1(K)
- S(c);N_GUARD,S_CUTB(a)::P(D)
- S(c);S_CUTB(a)::R(H)
- S(c);OGATEB::R(G)+B(F),XS(c)
- S(c);S_CUTR(d)::QAR1(K)
- S(e);S_CUTR(d)::QAR1(K)
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