MESON Chess Problem Database
Problem Display
PID: 137151 (1RK5/3Rb3/1N2b2B/Ppk1p3/P3Bp2/8/1N1Q4/2n5 w - - 0 1)
Beechey, H
Australasian Chess Magazine, 1919
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Ba2
- 2.Rc7#
- 1...Bb3
- 2.Rc7#
- 1...Bh3
- 2.Qc3#
- 1...Bc4
- 2.Rc7#
- 1...Bg4
- 2.Qc3#
- 1...Bf5
- 2.Qc3#
- 1...Bxd7+
- 2.Sxd7#
- 1...Bf7
- 2.Rc7#
- 1...Bg8
- 2.Rc7#
- 1...Bh4
- 2.Qd6#
- 1...Bg5
- 2.Qd6#
- 1...Bd6
- 2.Qxd6#
- 1...Bf6
- 2.Qd6#
- 1...Bd8
- 2.Qd6#
- 1...Bf8
- 2.Bxf8#
- 1...Sa2
- 2.Sd3#
- 1...Se2
- 2.Sd3#
- 1...Sb3
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...f3
- 2.Be3#
- 1...bxa4
- 2.S6xa4#
- 1...b4
- 2.Qf2#
- 1...Ba2
- Tries
- 1.Kb7?
- threat
- 2.Rc7#
- 2.Rc8#
- 1...Bd5+
- 2.Rxd5#
- 1...Bxd7
- 2.Sxd7#
- 1...Bd6
- 2.Qxd6#
- 1...Bd8
- 2.Qd6#
- 1...Sd3
- 2.Sxd3#
- 2.Rc8#
- 1...bxa4!
- threat
- 1.Bb7?
- 1...Bxd7+
- 2.Sxd7#
- 1...Ba2
- 2.Rc7#
- 1...Bb3
- 2.Rc7#
- 1...Bh3
- 2.Qc3#
- 1...Bc4
- 2.Rc7#
- 1...Bg4
- 2.Qc3#
- 1...Bd5
- 2.Rxd5#
- 1...Bf5
- 2.Qc3#
- 1...Bf7
- 2.Rc7#
- 1...Bg8
- 2.Rc7#
- 1...Bh4
- 2.Qd6#
- 1...Bg5
- 2.Qd6#
- 1...Bd6
- 2.Qxd6#
- 1...Bf6
- 2.Qd6#
- 1...Bd8
- 2.Qd6#
- 1...Bf8
- 2.Bxf8#
- 1...Sa2
- 2.Sd3#
- 1...Se2
- 2.Sd3#
- 1...Sb3
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...f3
- 2.Be3#
- 1...b4
- 2.Qf2#
- 1...e4
- 2.Qd4#
- 1...bxa4!
- 1...Bxd7+
- 1.Bxf4?
- threat
- 2.Be3#
- 1...Bxd7+
- 2.Sxd7#
- 1...bxa4
- 2.S6xa4#
- 1...exf4
- 2.Qd4#
- 1...Bg5
- 2.Qd6#
- 1...Se2
- 2.Sd3#
- 1...Sb3
- 2.Sd3#
- 1...Bd5!
- threat
- 1.Rb7?
- threat
- 2.Rc7#
- 1...Bxd7+
- 2.Sxd7#
- 1...bxa4
- 2.S6xa4#
- 1...Bd6
- 2.Qxd6#
- 1...Bd8
- 2.Qd6#
- 1...Bd5!
- threat
- 1.Qxc1+?
- 1...Bc4
- 2.Sd3#
- 1...Kb4!
- 1...Bc4
- 1.a6?
- 1...Bxd7+
- 2.Sxd7#
- 1...bxa4
- 2.S6xa4#
- 2.Qa5#
- 1...Bc4
- 2.Rc7#
- 1...Ba2
- 2.Rc7#
- 1...Bb3
- 2.Rc7#
- 1...Bh3
- 2.Qc3#
- 1...Bg4
- 2.Qc3#
- 1...Bf5
- 2.Qc3#
- 1...Bf7
- 2.Rc7#
- 1...Bg8
- 2.Rc7#
- 1...Bh4
- 2.Qd6#
- 1...Bg5
- 2.Qd6#
- 1...Bd6
- 2.Qxd6#
- 1...Bf6
- 2.Qd6#
- 1...Bd8
- 2.Qd6#
- 1...Bf8
- 2.Bxf8#
- 1...Sa2
- 2.Sd3#
- 1...Se2
- 2.Sd3#
- 1...Sb3
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...f3
- 2.Be3#
- 1...b4
- 2.Qf2#
- 1...Bd5!
- 1...Bxd7+
- 1.Kb7?
- Keys
- 1.Ba8!
- 1...Bxd7+
- 2.Sxd7#
- 1...bxa4
- 2.S6xa4#
- 1...Ba2
- 2.Rc7#
- 1...Bb3
- 2.Rc7#
- 1...Bh3
- 2.Qc3#
- 1...Bc4
- 2.Rc7#
- 1...Bg4
- 2.Qc3#
- 1...Bd5
- 2.Rxd5#
- 1...Bf5
- 2.Qc3#
- 1...Bf7
- 2.Rc7#
- 1...Bg8
- 2.Rc7#
- 1...Bh4
- 2.Qd6#
- 1...Bg5
- 2.Qd6#
- 1...Bd6
- 2.Qxd6#
- 1...Bf6
- 2.Qd6#
- 1...Bd8
- 2.Qd6#
- 1...Bf8
- 2.Bxf8#
- 1...Sa2
- 2.Sd3#
- 1...Se2
- 2.Sd3#
- 1...Sb3
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...f3
- 2.Be3#
- 1...b4
- 2.Qf2#
- 1...e4
- 2.Qd4#
- 1...Bxd7+
- 1.Ba8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(f);N_PINR(H)::R(H)
- B(f);N_GUARD::QAR2(B)
- B(f);CHECK,XR(H)::S(F),XB(f)
- B(g);N_GUARD::QAB1(B)
- B(g);N_GUARD::QAB1(B),XB(g)
- B(g);OGATEB::B(G),XB(g)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- P(b);OGATE::B(G)
- P(c);XP(C)::S(F),XP(c)
- P(c);SBLOCK::QAB(B)
- Tries
- Try
- K(J);N_SPINR(H),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- B(f);CHECK,N_GUARD::R1(H),XB(f)
- B(f);XR(H)::S(F),XB(f)
- B(g);N_GUARD::QAB1(B),XB(g)
- B(g);N_GUARD::QAB1(B)
- Refutation
- P(c);XP(C)
- Try
- B(D);
- Vars
- B(f);CHECK,XR(H)::S(F),XB(f)
- B(f);N_PINR(H)::R(H)
- B(f);N_GUARD::QAR2(B)
- B(f);N_PINR(H)::R1(H),XB(f)
- B(g);N_GUARD::QAB1(B)
- B(g);N_GUARD::QAB1(B),XB(g)
- B(g);OGATEB::B(G),XB(g)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- P(b);OGATE::B(G)
- P(c);SBLOCK::QAB(B)
- P(e);N_GUARD::QAB1(B)
- Refutation
- P(c);XP(C)
- Try
- B(G);XP(b)
- Threat
- B(G)
- Vars
- B(f);CHECK,XR(H)::S(F),XB(f)
- P(c);XP(C)::S(F),XP(c)
- P(e);N_GUARD,XB(G)::QAB1(B)
- B(g);N_GUARD::QAB1(B)
- S(a);N_GUARD::S(A)
- Refutation
- B(f);N_PINR(H)
- Try
- R(I);
- Threat
- R(I)
- Vars
- B(f);CHECK,XR(H)::S(F),XB(f)
- P(c);XP(C)::S(F),XP(c)
- B(g);N_GUARD::QAB1(B),XB(g)
- B(g);N_GUARD::QAB1(B)
- Refutation
- B(f);N_PINR(H)
- Try
- Q(B);CHECK,XS(a)
- Vars
- B(f);N_PINR(H),P_SPINB(f)::S(A)
- Refutation
- K(d);S_FLIGHT
- Try
- P(E);
- Vars
- B(f);CHECK,XR(H)::S(F),XB(f)
- B(f);N_PINR(H)::R(H)
- B(f);N_GUARD::QAR2(B)
- B(g);N_GUARD::QAB1(B)
- B(g);N_GUARD::QAB1(B),XB(g)
- B(g);OGATEB::B(G),XB(g)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- P(b);OGATE::B(G)
- P(c);SBLOCK::QAB(B)
- Refutation
- B(f);N_PINR(H)
- Try
- Actual
- B(D);
- Vars
- B(f);CHECK,XR(H)::S(F),XB(f)
- P(c);XP(C)::S(F),XP(c)
- B(f);N_PINR(H)::R(H)
- B(f);N_GUARD::QAR2(B)
- B(f);N_PINR(H)::R1(H),XB(f)
- B(g);N_GUARD::QAB1(B)
- B(g);N_GUARD::QAB1(B),XB(g)
- B(g);OGATEB::B(G),XB(g)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- P(b);OGATE::B(G)
- P(c);SBLOCK::QAB(B)
- P(e);N_GUARD::QAB1(B)
Developed and maintained by Brian Stephenson.
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