MESON Chess Problem Database

Problem Display
PID: 89015 (3Q4/bp2n1Kp/3N4/1B2Pp2/4p3/2P1k1p1/1R1N2Pr/2n2R2 w - - 0 1)

Paslack, Rainer

The Problemist, 1991

3Q4/bp2n1Kp/3N4/1B2Pp2/4p3/2P1k1p1/1R1N2Pr/2n2R2

#2

10 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bb6
      • 2.Qxb6#
    • 1...Bb8
      • 2.Qb6#
    • 1...Se2
      • 2.S6c4#
    • 1...Sd3
      • 2.S2c4#
    • 1...Sd5
      • 2.Sxf5#
    • 1...Sc6
      • 2.Sxf5#
    • 1...Sg6
      • 2.Sxf5#
    • 1...Sc8
      • 2.Sxf5#
    • 1...Sg8
      • 2.Sxf5#
  • Tries
    • 1.Sb1?
      • threat
        • 2.Sc4#
      • 1...Sd5
        • 2.Sxf5#
      • 1...Bd4!
    • 1.Sb3?
      • threat
        • 2.Sc4#
      • 1...Sd5
        • 2.Sxf5#
      • 1...Bd4!
    • 1.S2xe4?
      • threat
        • 2.Rf3#
      • 1...fxe4
        • 2.Sc4#
      • 1...Rxg2!
    • 1.Sxb7?
      • threat
        • 2.Sc4#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Sd5!
    • 1.Sf7?
      • threat
        • 2.Sc4#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Sd5!
    • 1.Sc8?
      • threat
        • 2.Sc4#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Sd5!
    • 1.Se8?
      • threat
        • 2.Sc4#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Sd5!
    • 1.Qxe7?
      • threat
        • 2.Sxf5#
      • 1...Sd3
        • 2.S2c4#
      • 1...f4
        • 2.Sf5#
      • 1...Rh5!
  • Keys
    • 1.S6xe4!
      • threat
        • 2.Rf3#
      • 1...fxe4
        • 2.Sc4#
      • 1...Sd3
        • 2.Qxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • B(g);N_GUARD::QAB(J),XB(g)
    • B(g);N_GUARD::QAB(J)
    • S(a);SBLOCK::S(H)
    • S(a);SBLOCK::S(C)
    • S(i);N_GUARD::S(H),XP(f)
  • Tries
    • Try
      • S(C);
      • Threat
        • S(H)
      • Vars
        • S(i);N_GUARD::S(H),XP(f)
      • Refutation
        • B(g);P_PINP(G)
    • Try
      • S(C);
      • Threat
        • S(H)
      • Vars
        • S(i);N_GUARD::S(H),XP(f)
      • Refutation
        • B(g);P_PINP(G)
    • Try
      • S(C);XP(e)
      • Threat
        • R1(A)
      • Vars
        • P(f);SBLOCK,XS(C)::S(H)
      • Refutation
        • R(b);XP(D)
    • Try
      • S(H);XP(h)
      • Threat
        • S(C)
      • Vars
        • B(g);N_GUARD,P_PINP(G)::QAB1(J),XB(g)
      • Refutation
        • S(i);
    • Try
      • S(H);
      • Threat
        • S(C)
      • Vars
        • B(g);N_GUARD,P_PINP(G)::QAB1(J),XB(g)
      • Refutation
        • S(i);
    • Try
      • S(H);
      • Threat
        • S(C)
      • Vars
        • B(g);N_GUARD,P_PINP(G)::QAB1(J),XB(g)
      • Refutation
        • S(i);
    • Try
      • S(H);
      • Threat
        • S(C)
      • Vars
        • B(g);N_GUARD,P_PINP(G)::QAB1(J),XB(g)
      • Refutation
        • S(i);
    • Try
      • Q(J);XS(i)
      • Threat
        • S(H),XP(f)
      • Vars
        • S(a);SBLOCK::S(C)
        • P(f);::S(H)
      • Refutation
        • R(b);
  • Actual
    • S(H);XP(e)
    • Threat
      • R1(A)
    • Vars
      • P(f);SBLOCK,XS(H)::S(C)
      • S(a);N_GUARD::QAR1(J),XS(a)
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