MESON Chess Problem Database
Problem Display
PID: 68332 (B3R1K1/1q6/3pQNpb/6p1/pn1p2P1/Rb3kPP/2N1pPp1/2nr2B1 w - - 0 1)
Burger, Robert Eugene
The Problemist, 2006
#2
12 + 14
SOLUTION
- SOUND
- Sets
- 1...Qe4
- 2.Bxe4#
- 1...Re1
- 2.Sxe1#
- 2.Sxd4#
- 1...Rf1
- 2.Sxd4#
- 1...Rd2
- 2.Se1#
- 1...Rd3
- 2.Se1#
- 1...Scd3
- 2.Sxd4#
- 1...Sbd3
- 2.Sxd4#
- 1...Sd5
- 2.Qe4#
- 1...Sc6
- 2.Qd5#
- 1...d3
- 2.Sd4#
- 1...Qe4
- Tries
- 1.Sh5?
- threat
- 2.Qf7#
- 1...Rd3
- 2.Se1#
- 1...Scd3
- 2.Sxd4#
- 1...Sbd3
- 2.Sxd4#
- 1...Sd5
- 2.Qe4#
- 1...Sc6
- 2.Qd5#
- 1...d3
- 2.Sd4#
- 1...d5
- 2.Qf6#
- 1...Bg7!
- threat
- 1.Sd7?
- threat
- 2.Qf7#
- 1...Rd3
- 2.Se1#
- 1...Scd3
- 2.Sxd4#
- 1...Sbd3
- 2.Sxd4#
- 1...Sd5
- 2.Qe4#
- 1...d3
- 2.Sd4#
- 1...Bg7!
- threat
- 1.Bxb7+?
- 1...Sd5
- 2.Bxd5#
- 2.Qxd5#
- 2.Qe4#
- 1...Sc6
- 2.Qd5#
- 1...d5!
- 1...Sd5
- 1.Rxb3+?
- 1...Rd3
- 2.Se1#
- 2.Sxd4#
- 1...Sxb3
- 2.Qxe2#
- 1...Scd3
- 2.Sxd4#
- 2.Qxe2#
- 1...Sbd3
- 2.Sxd4#
- 1...d3
- 2.Sd4#
- 2.Qe3#
- 1...axb3!
- 1...Rd3
- 1.Sh5?
- Keys
- 1.Sh7!
- threat
- 2.Qf7#
- 1...Bg7
- 2.Sxg5#
- 1...Rd3
- 2.Se1#
- 1...Scd3
- 2.Sxd4#
- 1...Sbd3
- 2.Sxd4#
- 1...Sd5
- 2.Qe4#
- 1...Sc6
- 2.Qd5#
- 1...d3
- 2.Sd4#
- 1...d5
- 2.Qf6#
- threat
- 1.Sh7!
This is after 54374
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- Q(n);OGATE::B(J),XQ(n)
- R(b);N_GUARD::S(B),XP(i)
- R(b);N_GUARD::S(B)
- R(b);N_GUARD,N_SPINB(e)::S(B)
- S(a);N_SPINB(e),S_CUTR(b)::S(B),XP(i)
- S(h);N_SPINB(e),S_CUTR(b)::S(B),XP(i)
- S(h);N_PINQ(H),N_SPINQ(n)::QAB1(H)
- S(h);N_GUARD,N_SPINQ(n),S_CUTQ(n)::QAB(H)
- P(i);N_SPINB(e),S_CUTR(b)::S(B)
- Tries
- Try
- S(I);
- Threat
- QAR(H)
- Vars
- R(b);N_GUARD,N_SPINB(e)::S(B)
- S(a);N_SPINB(e),S_CUTR(b)::S(B),XP(i)
- S(h);N_SPINB(e),S_CUTR(b)::S(B),XP(i)
- S(h);N_PINQ(H),N_SPINQ(n)::QAB1(H)
- S(h);N_GUARD,N_SPINQ(n),S_CUTQ(n)::QAB(H)
- P(i);N_SPINB(e),S_CUTR(b)::S(B)
- P(k);N_PINQ(H),N_SPINQ(n)::QAR(H)
- Refutation
- B(m);
- Try
- S(I);
- Threat
- QAR(H)
- Vars
- R(b);N_GUARD,N_SPINB(e)::S(B)
- S(a);N_SPINB(e),S_CUTR(b)::S(B),XP(i)
- S(h);N_SPINB(e),S_CUTR(b)::S(B),XP(i)
- S(h);N_PINQ(H),N_SPINQ(n)::QAB1(H)
- P(i);N_SPINB(e),S_CUTR(b)::S(B)
- Refutation
- B(m);
- Try
- B(J);CHECK,XQ(n)
- Vars
- S(h);N_GUARD,P_SPINS(h)::QAB(H)
- Refutation
- P(k);N_PINQ(H),P_SPINP(k)
- Try
- R(D);CHECK,N_SPINQ(H),XB(e)
- Vars
- S(a);XR(D)::QAB1(H),XP(c)
- S(h);P_SPINS(h)::S(B),XP(i)
- Refutation
- P(g);XR(D)
- Try
- Actual
- S(I);
- Threat
- QAR(H)
- Vars
- B(m);N_GUARD::S(I),XP(j)
- R(b);N_GUARD,N_SPINB(e)::S(B)
- S(a);N_SPINB(e),S_CUTR(b)::S(B),XP(i)
- S(h);N_SPINB(e),S_CUTR(b)::S(B),XP(i)
- S(h);N_PINQ(H),N_SPINQ(n)::QAB1(H)
- S(h);N_GUARD,N_SPINQ(n),S_CUTQ(n)::QAB(H)
- P(i);N_SPINB(e),S_CUTR(b)::S(B)
- P(k);N_PINQ(H),N_SPINQ(n)::QAR(H)
Developed and maintained by Brian Stephenson.
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