MESON Chess Problem Database
Problem Display
PID: 15172 (4r3/8/2N4B/1n1R4/1b1pk1p1/1Q4P1/2P3n1/1b2NR1K w - - 0 1)
Gooderson, Arthur R
The Problemist, 1980
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Rxe5#
- 1...Ra8
- 2.Re5#
- 1...Rb8
- 2.Re5#
- 1...Rc8
- 2.Re5#
- 1...Rd8
- 2.Re5#
- 1...Rf8
- 2.Re5#
- 1...Rg8
- 2.Re5#
- 1...Rh8
- 2.Re5#
- 1...Be7
- 2.Re5#
- 1...Sxe1
- 2.Rf4#
- 1...Se3
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...Sh4
- 2.Rf4#
- 1...Sa3
- 2.Rxd4#
- 1...Sc3
- 2.Rxd4#
- 1...Sd6
- 2.Rxd4#
- 1...Sa7
- 2.Rxd4#
- 1...Sc7
- 2.Rxd4#
- 1...d3
- 2.Qxd3#
- 1...Re5
- Tries
- 1.Sxg2?
- threat
- 2.Rf4#
- 1...Rf8
- 2.Re5#
- 1...Bd6
- 2.Re1#
- 1...Bd2!
- threat
- 1.Sf3?
- threat
- 2.Sg5#
- 1...gxf3
- 2.Qxf3#
- 1...Re5
- 2.Rxe5#
- 1...Bd2
- 2.Sxd2#
- 1...Rg8
- 2.Re5#
- 1...Be7
- 2.Sd2#
- 2.Re5#
- 1...Sc3
- 2.Sd2#
- 1...d3
- 2.Qxd3#
- 1...Bc3!
- threat
- 1.Rxb5?
- threat
- 2.Qd5#
- 2.Qd3#
- 1...Bxc2
- 2.Qd5#
- 1...Sxe1
- 2.Rf4#
- 2.Qd5#
- 1...Bc3
- 2.Qd5#
- 1...Re5
- 2.Rxe5#
- 2.Qd3#
- 1...Rd8
- 2.Re5#
- 2.Qe6#
- 2.Qd3#
- 1...Ba2
- 2.Qd3#
- 1...Se3
- 2.Rf4#
- 2.Qd3#
- 1...Sf4
- 2.Rxf4#
- 1...d3
- 2.Rxb4#
- 2.Qc4#
- 2.Qd5#
- 2.Qxd3#
- 2.Qxb4#
- 1...Bc5!
- threat
- 1.Rdf5?
- threat
- 2.Qd5#
- 2.Qd3#
- 1...Bxc2
- 2.Qd5#
- 1...Sxe1
- 2.R1f4#
- 2.R5f4#
- 2.Qd5#
- 1...Sf4
- 2.R1xf4#
- 2.R5xf4#
- 1...Bc3
- 2.Qd5#
- 1...Re5
- 2.Rxe5#
- 1...Rd8
- 2.Re5#
- 2.Qe6#
- 2.Qd3#
- 1...Ba2
- 2.Qd3#
- 1...Se3
- 2.R1f4#
- 2.R5f4#
- 2.Qd3#
- 1...Sc7
- 2.Qd3#
- 1...d3
- 2.Qd5#
- 2.Qxd3#
- 1...Sc3!
- threat
- 1.Rh5?
- threat
- 2.Qd5#
- 2.Qd3#
- 1...Bxc2
- 2.Qd5#
- 1...Sxe1
- 2.Rf4#
- 2.Qd5#
- 1...Bc3
- 2.Qd5#
- 1...Re5
- 2.Rxe5#
- 1...Rd8
- 2.Re5#
- 2.Qe6#
- 2.Qd3#
- 1...Ba2
- 2.Qd3#
- 1...Se3
- 2.Rf4#
- 2.Qd3#
- 1...Sf4
- 2.Rxf4#
- 1...Sc7
- 2.Qd3#
- 1...d3
- 2.Qd5#
- 2.Qxd3#
- 1...Sc3!
- threat
- 1.Sxg2?
- Keys
- 1.Sd3!
- threat
- 2.Sf2#
- 1...Re5
- 2.Rxe5#
- 1...Rf8
- 2.Re5#
- 1...Be1
- 2.Sc5#
- 1...Bc3
- 2.Sc5#
- 1...Se3
- 2.Rf4#
- 1...Sc3
- 2.Rxd4#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 15
- Sets
- R(h);N_GUARD::R1(G),XR(h)
- R(h);N_GUARD::R1(G)
- R(h);N_GUARD,P_PINB(I)::R1(G)
- B(c);S_CUTR(h)::R1(G)
- S(b);N_GUARD,XS(A)::R1(B)
- S(b);N_GUARD::R1(B)
- S(b);N_GUARD::R1(B),XS(b)
- S(g);N_GUARD::R1(G),XP(d)
- P(d);::QAB1(E),XP(d)
- Tries
- Try
- S(A);XS(b)
- Threat
- R1(B)
- Vars
- R(h);N_GUARD::R1(G)
- B(c);N_GUARD::R(B)
- Refutation
- B(c);
- Try
- S(A);
- Threat
- S(A)
- Vars
- P(f);OGATE,XS(A)::QAB1(E),XP(f)
- R(h);N_GUARD::R1(G),XR(h)
- B(c);N_GUARD::S(A),XB(c)
- R(h);N_GUARD::R1(G)
- S(g);S_CUTB(c)::S(A)
- P(d);::QAB1(E),XP(d)
- Refutation
- B(c);
- Try
- R(G);XS(g)
- Threat
- DUALS(2)
- Vars
- B(a);XP(D)::QAB1(E)
- B(c);::QAB1(E)
- B(a);::QAB1(E)
- S(b);N_GUARD::R1(B),XS(b)
- Refutation
- B(c);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- B(a);XP(D)::QAB1(E)
- B(c);::QAB1(E)
- R(h);N_GUARD::R1(G),XR(h)
- B(a);::QAB1(E)
- S(g);::QAB1(E)
- Refutation
- S(g);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- B(a);XP(D)::QAB1(E)
- B(c);::QAB1(E)
- R(h);N_GUARD::R1(G),XR(h)
- B(a);::QAB1(E)
- S(b);N_GUARD::R1(B),XS(b)
- S(g);::QAB1(E)
- Refutation
- S(g);
- Try
- Actual
- S(A);
- Threat
- S(A)
- Vars
- R(h);N_GUARD::R1(G),XR(h)
- R(h);N_GUARD::R1(G)
- B(c);N_GUARD::S(A)
- S(b);N_GUARD,SBLOCK::R1(B)
- S(g);N_GUARD::R1(G),XP(d)
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