MESON Chess Problem Database
Problem Display
PID: 61242 (5r2/2B1b3/pr3n1p/qb4RN/1p1kPRn1/p2Ppp2/8/K1Q1N3 w - - 0 1)
Zajic, Helmut
StrateGems, 2005
#2
9 + 14
SOLUTION
- SOUND
- Sets
- 1...Rd6
- 2.Qc5#
- 1...Bxd3
- 2.Sxf3#
- 1...Ba4
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Bc6
- 2.Qc4#
- 1...Bd7
- 2.Qc4#
- 1...Be8
- 2.Qc4#
- 1...Bc5
- 2.Qxc5#
- 1...Bd8
- 2.Qc5#
- 1...Sf2
- 2.Be5#
- 1...Sh2
- 2.Be5#
- 1...Se5
- 2.Bxe5#
- 1...Sxe4
- 2.Rxe4#
- 1...Sd5
- 2.Rxd5#
- 1...Sxh5
- 2.Rd5#
- 1...Sd7
- 2.Rd5#
- 1...Sh7
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...Sg8
- 2.Rd5#
- 1...a2
- 2.Qb2#
- 1...Rd6
- Tries
- 1.Sg3?
- threat
- 2.Sf5#
- 1...Bxd3
- 2.Sxf3#
- 1...Sxe4
- 2.Rxe4#
- 1...Rd6
- 2.Qc5#
- 1...Ba4
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Bc6
- 2.Qc4#
- 1...Bd7
- 2.Qc4#
- 1...Be8
- 2.Qc4#
- 1...Sd5
- 2.Rxd5#
- 1...Sh5
- 2.Rd5#
- 1...Sd7
- 2.Rd5#
- 1...Sh7
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...Sg8
- 2.Rd5#
- 1...Bd6!
- threat
- 1.Sxf6?
- threat
- 2.Rd5#
- 2.e5#
- 1...Rbxf6
- 2.Rd5#
- 1...Rfxf6
- 2.Rd5#
- 1...Bxd3
- 2.Sxf3#
- 1...Bxf6
- 2.Rd5#
- 2.Qc5#
- 1...Sxf6
- 2.Be5#
- 1...Rd6
- 2.Qc5#
- 2.e5#
- 1...Rd8
- 2.e5#
- 1...Ba4
- 2.Qc4#
- 2.e5#
- 1...Bc4
- 2.Qxc4#
- 1...Bc6
- 2.Qc4#
- 1...Bd7
- 2.Qc4#
- 2.e5#
- 1...Be8
- 2.Qc4#
- 2.e5#
- 1...Sf2
- 2.Be5#
- 2.Rd5#
- 1...Se5
- 2.Bxe5#
- 1...hxg5!
- threat
- 1.Bxb6+?
- 1...Bc5
- 2.Bxc5#
- 2.Qxc5#
- 1...Qxb6!
- 1...Bc5
- 1.Qc2?
- threat
- 2.Sxf3#
- 1...Sh2
- 2.Be5#
- 1...Se5
- 2.Bxe5#
- 1...f2
- 2.Sf3#
- 1...e2!
- threat
- 1.Sg3?
- Keys
- 1.Sg7!
- threat
- 2.Sf5#
- 1...Bxd3
- 2.Sxf3#
- 1...Sxe4
- 2.Rxe4#
- 1...Rd6
- 2.Qc5#
- 1...Ba4
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Bc6
- 2.Se6#
- 2.Qc4#
- 1...Bd7
- 2.Qc4#
- 1...Be8
- 2.Qc4#
- 1...Bd6
- 2.Se6#
- 1...Sd5
- 2.Rxd5#
- 1...Sh5
- 2.Rd5#
- 1...Sd7
- 2.Rd5#
- 1...Sh7
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...Sg8
- 2.Rd5#
- threat
- 1.Sg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- R(j);S_CUTB(m)::QAB1(B)
- B(h);SBLOCK,XP(D)::S(C),XP(c)
- B(h);N_GUARD::QAR1(B)
- B(h);N_GUARD::QAR1(B),XB(h)
- B(m);N_GUARD::QAB1(B),XB(m)
- B(m);N_GUARD::QAB1(B)
- S(f);N_GUARD::B(I)
- S(f);N_GUARD::B(I),XS(f)
- S(k);OGATE,P_SPINS(k),XP(E)::R1(F),XS(k)
- S(k);N_GUARD::R1(G),XS(k)
- S(k);N_GUARD,XS(H)::R1(G)
- S(k);N_GUARD::R1(G)
- P(a);N_GUARD::QAB(B)
- Tries
- Try
- S(H);
- Threat
- S(H)
- Vars
- B(h);SBLOCK,XP(D)::S(C),XP(c)
- S(k);OGATE,P_SPINS(k),XP(E)::R1(F),XS(k)
- R(j);S_CUTB(m)::QAB1(B)
- B(h);N_GUARD::QAR1(B)
- B(h);N_GUARD::QAR1(B),XB(h)
- S(k);N_GUARD::R1(G),XS(k)
- S(k);N_GUARD::R1(G)
- Refutation
- B(m);
- Try
- S(H);XS(k)
- Threat
- DUALS(2)
- Vars
- R(j);XS(H)::R1(G)
- R(n);XS(H)::R1(G)
- B(h);SBLOCK,XP(D)::S(C),XP(c)
- S(f);N_GUARD,XS(H)::B(I)
- R(n);::R(F)+P(E)
- B(h);N_GUARD::QAR1(B),XB(h)
- B(h);N_GUARD::QAR1(B)
- S(f);N_GUARD::B(I),XS(f)
- Refutation
- P(l);XR(G)
- Try
- B(I);CHECK,XR(j)
- Refutation
- Q(g);XB(I)
- Try
- Q(B);
- Threat
- S(C),XP(c)
- Vars
- S(f);N_GUARD::B(I)
- S(f);N_GUARD::B(I),XS(f)
- P(c);::S(C)
- Refutation
- P(b);
- Try
- Actual
- S(H);
- Threat
- S(H)
- Vars
- B(h);SBLOCK,XP(D)::S(C),XP(c)
- S(k);OGATE,P_SPINS(k),XP(E)::R1(F),XS(k)
- R(j);S_CUTB(m)::QAB1(B)
- B(h);N_GUARD::QAR1(B)
- B(h);N_GUARD::QAR1(B),XB(h)
- B(m);S_CUTR(j)::S(H)
- S(k);N_GUARD::R1(G),XS(k)
- S(k);N_GUARD::R1(G)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).