MESON Chess Problem Database
Problem Display
PID: 134583 (8/b2r3p/2B4K/R4N2/1Pk1NB1Q/P7/R1PP4/n7 w - - 0 1)
Trumper, William Barnard
The Field, 1965
(First published on Thu Oct 14 1965)
#2
12 + 5
SOLUTION
- SOUND
- Sets
- 1...Rd4
- 2.Se3#
- 1...Rd5
- 2.Bxd5#
- 1...Rd6+
- 2.Sexd6#
- 1...Rb7
- 2.Sed6#
- 2.Bd5#
- 2.d3#
- 1...Rc7
- 2.Sed6#
- 2.Bd5#
- 2.d3#
- 1...Re7
- 2.Sed6#
- 2.Bd5#
- 2.d3#
- 1...Rf7
- 2.Sed6#
- 2.Bd5#
- 2.d3#
- 1...Rg7
- 2.Sed6#
- 2.Bd5#
- 2.d3#
- 1...Bd4
- 2.d3#
- 1...Bc5
- 2.Rxc5#
- 1...Bb8
- 2.Rc5#
- 1...Rd4
- Tries
- 1.Se3+?
- 1...Kd4
- 2.Be5#
- 2.Qf6#
- 1...Bxe3!
- 1...Kd4
- 1.Sfd6+?
- 1...Kd4
- 2.Be3#
- 2.Be5#
- 2.Rd5#
- 2.Qf2#
- 2.Qf6#
- 1...Rxd6+!
- 1...Kd4
- 1.Be5?
- threat
- 2.Sed6#
- 1...Rd6+
- 2.Sexd6#
- 2.Sfxd6#
- 1...Be3+
- 2.Sxe3#
- 1...Bd4
- 2.d3#
- 1...Sxc2!
- threat
- 1.Bb7?
- threat
- 2.Ba6#
- 1...Rd6+
- 2.Sexd6#
- 1...Rxb7
- 2.Sed6#
- 2.d3#
- 1...Rd5
- 2.Bxd5#
- 1...Bc5
- 2.Rxc5#
- 1...Sxc2!
- threat
- 1.Bxd7?
- threat
- 2.Sed6#
- 2.Be6#
- 2.d3#
- 1...Bc5
- 2.Be6#
- 2.Rxc5#
- 1...Bb8
- 2.Be6#
- 2.Rc5#
- 2.d3#
- 1...Sxc2!
- threat
- 1.Ra4?
- threat
- 2.b5#
- 1...Rd6+
- 2.Sexd6#
- 1...Bc5
- 2.bxc5#
- 1...Sxc2!
- threat
- 1.Qg3?
- threat
- 2.Qc3#
- 1...Rd6+
- 2.Sexd6#
- 1...Rd3
- 2.Qxd3#
- 1...Bd4
- 2.Qd3#
- 2.d3#
- 1...Be3!
- threat
- 1.Qf6?
- threat
- 2.Qc3#
- 1...Rd4
- 2.Se3#
- 1...Rd6
- 2.Sexd6#
- 2.Sfxd6#
- 1...Bd4
- 2.d3#
- 1...Rd3!
- threat
- 1.Qh3?
- threat
- 2.Qc3#
- 1...Rd6+
- 2.Sexd6#
- 1...Rd3
- 2.Qxd3#
- 1...Bd4
- 2.Qf1#
- 2.Qd3#
- 2.d3#
- 1...Be3!
- threat
- 1.Se3+?
- Keys
- 1.Sc5!
- threat
- 2.Bd6#
- 1...Rd6+
- 2.Bxd6#
- 1...Rxd2
- 2.Bxd2#
- 1...Bxc5
- 2.Rxc5#
- 1...Sxc2
- 2.Rxc2#
- 1...Rd3
- 2.cxd3#
- 1...Rd4
- 2.Se3#
- 1...Rd5
- 2.Bb5#
- 1...Re7
- 2.Be5#
- 1...Rg7
- 2.Bg5#
- 1...Sb3
- 2.cxb3#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 6
- REMOVED MATES = 2
- Sets
- R(d);SBLOCK,S_CUTB(c)::S(J)
- R(d);N_GUARD::B(K),XR(d)
- R(d);CHECK,N_GUARD::S(F),XR(d)
- B(c);S_CUTR(d)::P(C)
- B(c);N_GUARD::R1(I),XB(c)
- B(c);N_GUARD::R1(I)
- Tries
- Try
- S(J);CHECK
- Refutation
- B(c);P_PINB(G),XS(J)
- Try
- S(J);CHECK
- Refutation
- R(d);CHECK,XS(J)
- Try
- B(G);
- Threat
- QAR(H)+S(F),DCHECK
- Vars
- B(c);CHECK,N_GUARD::S(J),XB(c)
- B(c);S_CUTR(d)::P(C)
- Refutation
- S(a);XP(B)
- Try
- B(K);
- Threat
- B(K)
- Vars
- R(d);CHECK,N_GUARD::S(F),XR(d)
- R(d);N_GUARD::B(K),XR(d)
- B(c);N_GUARD::R1(I),XB(c)
- Refutation
- S(a);XP(B)
- Try
- B(K);XR(d)
- Threat
- DUALS(3)
- Refutation
- S(a);XP(B)
- Try
- R(I);
- Threat
- R(I)+P(E)
- Vars
- R(d);CHECK,N_GUARD::S(F),XR(d)
- B(c);OGATE::R(I)+P(E),XB(c)
- Refutation
- S(a);XP(B)
- Try
- Q(H);
- Threat
- QAR1(H)
- Vars
- R(d);CHECK,N_GUARD::S(F),XR(d)
- R(d);N_GUARD::QAB1(H),XR(d)
- Refutation
- B(c);P_PINB(G)
- Try
- Q(H);
- Threat
- QAR1(H)
- Vars
- R(d);S_CUTB(c)::S(J)
- B(c);S_CUTR(d)::P(C)
- Refutation
- R(d);
- Try
- Q(H);
- Threat
- QAR1(H)
- Vars
- R(d);CHECK,N_GUARD::S(F),XR(d)
- R(d);N_GUARD::QAB1(H),XR(d)
- Refutation
- B(c);P_PINB(G)
- Try
- Actual
- S(F);
- Threat
- QAR(H)+B(G)
- Vars
- R(d);CHECK::QAR(H)+B(G),XR(d)
- R(d);OGATE,XP(C)::QAR(H)+B(G),XR(d)
- B(c);OGATE,XS(F)::R1(I),XB(c)
- S(a);OGATE,XP(B)::R(A),XS(a)
- R(d);OGATE::P(B),XR(d)
- R(d);SBLOCK::S(J)
- R(d);SBLOCK::B(K)
- R(d);N_GUARD::QAR(H)+B(G)
- S(a);OGATE::P(B),XS(a)
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