MESON Chess Problem Database
Problem Display
PID: 140764 (bn5B/p2pn3/r2Q4/1r3k2/2Nb1NRp/4pP1K/B7/8 w - - 0 1)
Ellerman, Arnoldo
Problemas, 1945
#2
8 + 11
SOLUTION
- SOUND
- Sets
- 1...Rd5
- 2.Bb1#
- 1...Rxd6
- 2.Sxd6#
- 1...Ba1
- 2.Sxe3#
- 1...Bb2
- 2.Sxe3#
- 1...Bc3
- 2.Sxe3#
- 1...Bc5
- 2.Qe5#
- 1...Be5
- 2.Sxe3#
- 1...Bb6
- 2.Qf6#
- 1...Bf6
- 2.Sxe3#
- 1...Bg7
- 2.Sxe3#
- 1...Bxh8
- 2.Sxe3#
- 1...Sec6
- 2.Qg6#
- 1...Sbc6
- 2.Qxd7#
- 1...Rd5
- Tries
- 1.Sg2?
- threat
- 2.Sxh4#
- 1...Rxd6
- 2.Sxd6#
- 1...Bf6
- 2.Sgxe3#
- 2.Scxe3#
- 1...Sg6!
- threat
- 1.Se6?
- threat
- 2.Sxd4#
- 2.Rg5#
- 1...Rxd6
- 2.Sxd6#
- 1...Bxf3
- 2.Sxd4#
- 1...dxe6
- 2.Qf4#
- 1...Bg7
- 2.Sxg7#
- 1...Rd5
- 2.Bb1#
- 2.Rg5#
- 1...Ba1
- 2.Sxe3#
- 2.Rg5#
- 1...Bb2
- 2.Sxe3#
- 2.Rg5#
- 1...Bc3
- 2.Sxe3#
- 2.Rg5#
- 1...Bc5
- 2.Sg7#
- 2.Rg5#
- 2.Qe5#
- 1...Be5
- 2.Sxe3#
- 2.Rg5#
- 1...Bb6
- 2.Sg7#
- 2.Rg5#
- 1...Bf6
- 2.Sxe3#
- 1...Sec6
- 2.Rg5#
- 1...Sbc6
- 2.Rg5#
- 1...Bxh8!
- threat
- 1.Sg6?
- threat
- 2.Sxh4#
- 2.Sxe7#
- 1...Rxd6
- 2.Sxd6#
- 1...Re5
- 2.Sxh4#
- 1...Bf6
- 2.Sxe3#
- 1...Sd5
- 2.Sxh4#
- 1...Sec6
- 2.Sxh4#
- 1...Sc8
- 2.Sxh4#
- 1...Sg8
- 2.Sxh4#
- 1...Sbc6
- 2.Sxh4#
- 2.Qxd7#
- 1...Sxg6!
- threat
- 1.Bb1+?
- 1...Be4
- 2.Bxe4#
- 2.fxe4#
- 1...Rxb1!
- 1...Be4
- 1.Bxd4?
- threat
- 2.Sxe3#
- 1...Rb3
- 2.Qe5#
- 1...Re5
- 2.Qxe5#
- 1...Ra3
- 2.Qf6#
- 1...Sd5
- 2.Qe5#
- 1...e2
- 2.Se3#
- 1...Bxf3!
- threat
- 1.Qe5+?
- 1...Bxe5
- 2.Sxe3#
- 1...Rxe5!
- 1...Bxe5
- 1.Qxd4?
- threat
- 2.Sxe3#
- 1...Rb3
- 2.Qe5#
- 1...Re5
- 2.Qxe5#
- 1...Ra3
- 2.Sd6#
- 2.Qf6#
- 1...Sd5
- 2.Qe5#
- 2.Qd3#
- 2.Qe4#
- 1...e2
- 2.Se3#
- 1...Re6!
- threat
- 1.Qxd7+?
- 1...Re6
- 2.Sd6#
- 2.Qxe6#
- 1...Sxd7!
- 1...Re6
- 1.Sg2?
- Keys
- 1.Se2!
- threat
- 2.Sxd4#
- 1...Rxd6
- 2.Sxd6#
- 1...Bxh8
- 2.Sxe3#
- 1...Rd5
- 2.Bb1#
- 1...Ba1
- 2.Sxe3#
- 1...Bb2
- 2.Sxe3#
- 1...Bc3
- 2.Sxe3#
- 1...Bc5
- 2.Qe5#
- 1...Be5
- 2.Sxe3#
- 1...Bb6
- 2.Qf6#
- 1...Bf6
- 2.Sxe3#
- 1...Bg7
- 2.Sxe3#
- 1...Sec6
- 2.Qg6#
- 1...Sbc6
- 2.Qxd7#
- threat
- 1.Se2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(d);N_GUARD,S_CUTB(j)::B(A)
- R(f);XQ(G)::S(D),XR(f)
- B(b);N_GUARD::S(D),XP(a)
- B(b);N_GUARD,S_CUTR(d)::QAR1(G)
- B(b);N_GUARD,S_CUTR(f)::QAR1(G)
- B(b);N_GUARD,XB(H)::S(D),XP(a)
- S(i);N_GUARD,S_CUTR(f)::QAB1(G)
- S(k);N_GUARD,S_CUTR(f)::QAB(G),XP(h)
- Tries
- Try
- S(E);
- Threat
- S(E),XP(c)
- Vars
- R(f);XQ(G)::S(D),XR(f)
- Refutation
- S(i);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(f);XQ(G)::S(D),XR(f)
- B(j);XP(B)::S(E),XB(b)
- P(h);SBLOCK,XS(E)::QAR1(G)
- B(b);N_GUARD::S(E),XB(b)
- B(b);N_GUARD::S(D),XP(a)
- S(i);::R1(F)
- S(k);::R1(F)
- Refutation
- B(b);XB(H)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(f);XQ(G)::S(D),XR(f)
- R(d);::S(E),XP(c)
- B(b);N_GUARD::S(D),XP(a)
- S(i);::S(E),XP(c)
- Refutation
- S(i);XS(E)
- Try
- B(A);CHECK
- Refutation
- R(d);XB(A)
- Try
- B(H);XB(b)
- Threat
- S(D),XP(a)
- Vars
- R(d);N_GUARD::QAR1(G)
- R(d);N_GUARD::QAR1(G),XR(d)
- R(f);N_GUARD::QAR1(G)
- S(i);S_CUTR(d)::QAR1(G)
- P(a);::S(D)
- Refutation
- B(j);XP(B)
- Try
- Q(G);CHECK
- Vars
- B(b);XQ(G)::S(D),XP(a)
- Refutation
- R(d);XQ(G)
- Try
- Q(G);XB(b)
- Threat
- S(D),XP(a)
- Vars
- R(d);N_GUARD::QAR1(G)
- R(d);N_GUARD::QAR1(G),XR(d)
- P(a);::S(D)
- Refutation
- R(f);
- Try
- Q(G);CHECK,XP(h)
- Refutation
- S(k);XQ(G)
- Try
- Actual
- S(E);
- Threat
- S(E),XB(b)
- Vars
- R(f);XQ(G)::S(D),XR(f)
- B(b);N_GUARD,XB(H)::S(D),XP(a)
- R(d);N_GUARD,S_CUTB(j)::B(A)
- B(b);N_GUARD::S(D),XP(a)
- B(b);N_GUARD,S_CUTR(d)::QAR1(G)
- B(b);N_GUARD,S_CUTR(f)::QAR1(G)
- S(i);N_GUARD,S_CUTR(f)::QAB1(G)
- S(k);N_GUARD,S_CUTR(f)::QAB(G),XP(h)
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