MESON Chess Problem Database
Problem Display
PID: 158228 (7B/3K4/B1p1p3/3k1nbQ/1P1N1Pp1/r2P1p2/b1N5/3R4 w - - 0 1)
Kornin, Zalmen
British Chess Magazine, 1999
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Rb3
- 2.Bc4#
- 1...Bb1
- 2.Bc4#
- 1...Bc4
- 2.Bxc4#
- 1...Bh4
- 2.Se3#
- 1...Bh6
- 2.Se3#
- 1...Be7
- 2.Se3#
- 1...Bd8
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...Sxd4
- 2.Se3#
- 1...Sh4
- 2.Se3#
- 1...Sd6
- 2.Se3#
- 1...Sh6
- 2.Se3#
- 1...Se7
- 2.Se3#
- 1...f2
- 2.Qh1#
- 1...g3
- 2.Qxf3#
- 1...c5
- 2.Bb7#
- 1...e5
- 2.Qf7#
- 1...Rb3
- Tries
- 1.Sb5?
- threat
- 2.Sc7#
- 1...Rxd3
- 2.Sc3#
- 1...cxb5
- 2.Bb7#
- 1...Bd8
- 2.Se3#
- 1...Bxf4!
- threat
- 1.Sxf5?
- threat
- 2.Sce3#
- 2.Sfe3#
- 2.Se7#
- 1...Bxf4
- 2.Sfe3#
- 2.Se7#
- 1...exf5
- 2.Se3#
- 2.Qf7#
- 1...Be7
- 2.Sce3#
- 2.Sfe3#
- 2.Sxe7#
- 1...e5
- 2.Sce3#
- 2.Sfe3#
- 2.Qf7#
- 1...Rxd3!
- threat
- 1.Sxe6?
- threat
- 2.Sc7#
- 1...Bxf4
- 2.Sxf4#
- 1...Bd8
- 2.Se3#
- 2.Qxf5#
- 1...Rxd3!
- threat
- 1.Qg6?
- threat
- 2.Qxe6#
- 1...Sxd4
- 2.Se3#
- 2.Qe4#
- 1...Sg7
- 2.Qe4#
- 1...e5
- 2.Qf7#
- 2.Qxc6#
- 2.Qe6#
- 2.Qg8#
- 1...Bf6!
- threat
- 1.Qf7?
- threat
- 2.Qxe6#
- 1...Sxd4
- 2.Se3#
- 1...Sg7!
- threat
- 1.Qxg5?
- threat
- 2.Se3#
- 1...e5
- 2.Qg8#
- 1...Rxd3!
- threat
- 1.Sb5?
- Keys
- 1.Se2!
- 1...Rxd3
- 2.Sc3#
- 1...Rxa6
- 2.Sc3#
- 1...Bxf4
- 2.Sxf4#
- 1...fxe2
- 2.Qh1#
- 1...Rb3
- 2.Bc4#
- 1...Rc3
- 2.Sxc3#
- 1...Ra4
- 2.Sc3#
- 1...Ra5
- 2.Sc3#
- 1...Bb1
- 2.Bc4#
- 1...Bb3
- 2.Sc3#
- 1...Bc4
- 2.Bxc4#
- 1...Bh4
- 2.Se3#
- 1...Bf6
- 2.Se3#
- 1...Bh6
- 2.Se3#
- 1...Be7
- 2.Se3#
- 1...Bd8
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...Sd4
- 2.Se3#
- 1...Sh4
- 2.Se3#
- 1...Sd6
- 2.Se3#
- 1...Sh6
- 2.Se3#
- 1...Se7
- 2.Se3#
- 1...Sg7
- 2.Se3#
- 1...f2
- 2.Qh1#
- 1...g3
- 2.Qxf3#
- 1...c5
- 2.Bb7#
- 1...e5
- 2.Qf7#
- 1...Rxd3
- 1.Se2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 0
- Sets
- R(b);S_CUTB(a)::B(H)
- B(a);N_GUARD::B(H)
- B(a);N_GUARD::B(H),XB(a)
- B(g);P_SPINS(f)::S(B)
- S(f);N_GUARD,P_SPINB(g)::S(B),XS(f)
- S(f);N_GUARD,P_SPINB(g)::S(B)
- S(f);N_GUARD,P_SPINB(g),XS(E)::S(B)
- P(c);OGATEB::QAB(G)
- P(d);OGATE::QAB(G),XP(c)
- P(h);OGATEB::B(H)
- P(i);OGATEB::QAB(G)
- Tries
- Try
- S(E);
- Threat
- S(E)
- Vars
- R(b);N_GUARD,P_SPINR(b),XP(C)::S(E)
- P(h);OGATEB,XS(E)::B(H)
- B(g);P_SPINS(f)::S(B)
- Refutation
- B(g);P_SPINS(f),XP(F)
- Try
- S(E);XS(f)
- Threat
- DUALS(3)
- Refutation
- R(b);P_SPINR(b),XP(C)
- Try
- S(E);XP(i)
- Threat
- S(E)
- Vars
- B(g);P_SPINS(f),XP(F)::S(E),XB(g)
- Refutation
- R(b);P_SPINR(b),XP(C)
- Try
- Q(G);
- Threat
- QAB1(G),XP(i)
- Vars
- S(f);OGATE::QAB1(G)
- Refutation
- B(g);
- Try
- Q(G);P_PINP(i)
- Threat
- QAB1(G),XP(i)
- Vars
- S(f);N_GUARD,XS(E)::S(B)
- Refutation
- S(f);
- Try
- Q(G);P_PINS(f),XB(g)
- Threat
- S(B)
- Vars
- P(i);N_SPINS(f),OGATEB::QAB(G)
- Refutation
- R(b);XP(C)
- Try
- Actual
- S(E);
- Vars
- R(b);N_GUARD,P_SPINR(b),XP(C)::S(E)
- R(b);N_GUARD,XB(H)::S(E)
- B(g);P_SPINS(f),XP(F)::S(E),XB(g)
- P(c);OGATEB,XS(E)::QAB(G)
- R(b);S_CUTB(a)::B(H)
- R(b);N_GUARD::S(E),XR(b)
- R(b);N_GUARD::S(E)
- B(a);N_GUARD::B(H)
- B(a);S_CUTR(b)::S(E)
- B(a);N_GUARD::B(H),XB(a)
- B(g);P_SPINS(f)::S(B)
- S(f);N_GUARD,P_SPINB(g)::S(B),XS(f)
- S(f);N_GUARD,P_SPINB(g)::S(B)
- P(c);OGATEB::QAB(G)
- P(d);OGATE::QAB(G),XP(c)
- P(h);OGATEB::B(H)
- P(i);OGATEB::QAB(G)
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