MESON Chess Problem Database
Problem Display
PID: 137821 (K1kr1nRr/1pp1RN2/P2nP3/1Pb1P3/N1Q5/8/8/4q3 w - - 0 1)
Heyl, Peter
Freie Presse, 1999
#2
10 + 9
| 14503 | Problemschach-Jahrbuch (1999) | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Rd7
- 2.exd7#
- 1...Bg1
- 2.Rxc7#
- 2.Qxc7#
- 1...Bf2
- 2.Rxc7#
- 2.Qxc7#
- 1...Ba3
- 2.Sb6#
- 2.Rxc7#
- 2.Qxc7#
- 1...Be3
- 2.Rxc7#
- 2.Qxc7#
- 1...Bb4
- 2.Sb6#
- 2.Rxc7#
- 2.Qxc7#
- 1...Bd4
- 2.Rxc7#
- 2.Qxc7#
- 1...Bb6
- 2.Sxb6#
- 1...Ba7
- 2.Rxc7#
- 2.Qxc7#
- 1...Sxc4
- 2.axb7#
- 1...Se4
- 2.axb7#
- 1...Sxb5
- 2.axb7#
- 1...Sf5
- 2.axb7#
- 1...Sxf7
- 2.axb7#
- 1...Se8
- 2.axb7#
- 1...Sxe6
- 2.Qxe6#
- 1...Sd7
- 2.exd7#
- 1...Rd7
- Tries
- 1.Sxd6+?
- 1...Bxd6
- 2.Sb6#
- 2.axb7#
- 1...cxd6
- 2.Sb6#
- 2.axb7#
- 1...Rxd6!
- 1...Bxd6
- 1.Qxc5?
- threat
- 2.Sb6#
- 2.Rxc7#
- 2.Qxc7#
- 1...Sxb5
- 2.Sb6#
- 2.axb7#
- 1...Sxe6
- 2.Sb6#
- 2.Sxd6#
- 1...Qc3
- 2.Sb6#
- 2.Rxc7#
- 1...Qc1
- 2.Sb6#
- 2.Rxc7#
- 1...Rd7
- 2.Sb6#
- 2.exd7#
- 1...Sc4
- 2.Rxc7#
- 2.Qxc7#
- 2.axb7#
- 1...Se8
- 2.Sb6#
- 2.axb7#
- 1...Sd7
- 2.Sxd6#
- 2.exd7#
- 1...b6
- 2.Sxb6#
- 2.Rxc7#
- 2.Qxc7#
- 1...c6
- 2.Sb6#
- 1...Qa5!
- threat
- 1.exd6?
- threat
- 2.Rxc7#
- 2.axb7#
- 1...Rxd6
- 2.axb7#
- 1...Bxd6
- 2.Sb6#
- 2.axb7#
- 1...Sxe6
- 2.axb7#
- 2.d7#
- 1...bxa6
- 2.Rxc7#
- 1...cxd6
- 2.Sb6#
- 2.axb7#
- 1...Qh1
- 2.Rxc7#
- 1...Qe4
- 2.Rxc7#
- 1...Rd7
- 2.axb7#
- 2.exd7#
- 1...Bb6
- 2.Sxb6#
- 2.axb7#
- 1...Sd7
- 2.axb7#
- 2.exd7#
- 1...b6
- 2.Rxc7#
- 1...c6
- 2.Rc7#
- 2.axb7#
- 1...Qa5!
- threat
- 1.Sxd6+?
- Keys
- 1.b6!
- threat
- 2.Rxc7#
- 1...Bxb6
- 2.Sxb6#
- 1...Sxe6
- 2.Qxe6#
- 1...cxb6
- 2.Sxb6#
- 1...Rd7
- 2.exd7#
- 1...Sb5
- 2.axb7#
- 1...Se8
- 2.axb7#
- 1...Sd7
- 2.exd7#
- 1...c6
- 2.Rc7#
- threat
- 1.b6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- R(g);OGATE,P_SPINS(h)::P(F),XR(g)
- B(b);N_GUARD,P_SPINP(e)::S(A),XB(b)
- S(c);N_GUARD,XQ(B)::P(E),XP(d)
- S(c);N_GUARD::P(E),XP(d)
- S(c);N_GUARD,XP(C)::P(E),XP(d)
- S(c);N_GUARD,XS(H)::P(E),XP(d)
- S(h);OGATE,P_SPINR(g),XP(F)::QAB(B),XS(h)
- S(h);OGATE,P_SPINR(g)::P(F),XS(h)
- Tries
- Try
- S(H);CHECK,XS(c)
- Refutation
- R(g);P_SPINS(h),XS(H)
- Try
- Q(B);P_PINP(e),XB(b)
- Threat
- DUALS(3)
- Vars
- P(e);::S(A)
- Refutation
- Q(a);P_PINP(E)
- Try
- P(D);XS(c)
- Threat
- DUALS(2)
- Vars
- R(g);P_SPINS(h),XP(D)::P(E),XP(d)
- P(d);XP(E)::R1(G),XP(e)
- Q(a);::R1(G),XP(e)
- P(d);::R1(G),XP(e)
- Refutation
- Q(a);P_PINP(E)
- Try
- Actual
- P(C);
- Threat
- R1(G),XP(e)
- Vars
- B(b);P_SPINP(e),XP(C)::S(A),XB(b)
- S(h);OGATE,P_SPINR(g),XP(F)::QAB(B),XS(h)
- P(e);P_SPINB(b),XP(C)::S(A),XP(e)
- R(g);OGATE,P_SPINS(h)::P(F),XR(g)
- S(c);N_GUARD::P(E),XP(d)
- S(h);OGATE,P_SPINR(g)::P(F),XS(h)
- P(e);::R1(G)
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