MESON Chess Problem Database

Problem Display
PID: 75472 (4RR2/4B1n1/5N2/Q2B1P1p/2PP4/3pkP2/2n3P1/3K3N w - - 0 1)

Pachl, Franz

2nd Prize, Rochade Europa, 1998

4RR2/4B1n1/5N2/Q2B1P1p/2PP4/3pkP2/2n3P1/3K3N

#2

13 + 5

6166 FIDE Album (1998-2000) 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Bc5#
    • 1...Sxd4
      • 2.Qd2#
    • 1...d2
      • 2.Qxd2#
  • Tries
    • 1.Sg4+?
      • 1...Kxd4
        • 2.Bc5#
        • 2.Bf6#
      • 1...Kf4
        • 2.Qc7#
        • 2.g3#
      • 1...hxg4!
    • 1.Bc6?
      • threat
        • 2.Qe5#
      • 1...Kf4
        • 2.Sd5#
      • 1...d2
        • 2.Qxd2#
      • 1...Kxd4!
    • 1.Be6?
      • threat
        • 2.Qe5#
      • 1...Kf4
        • 2.Sd5#
      • 1...d2
        • 2.Qxd2#
      • 1...Kxd4!
    • 1.Bb7?
      • threat
        • 2.Qe5#
      • 1...Kf4
        • 2.Sd5#
      • 1...d2
        • 2.Qxd2#
      • 1...Kxd4!
    • 1.Bf7?
      • threat
        • 2.Qe5#
      • 1...Kxd4
        • 2.Bc5#
      • 1...d2
        • 2.Qxd2#
      • 1...Kf4!
    • 1.Ba8?
      • threat
        • 2.Qe5#
      • 1...Kf4
        • 2.Sd5#
      • 1...d2
        • 2.Qxd2#
      • 1...Kxd4!
    • 1.Bc5+?
      • 1...Se6
        • 2.Qd2#
      • 1...Sxe8
        • 2.Qd2#
      • 1...Kf4!
  • Keys
    • 1.Bg8!
      • threat
        • 2.Qe5#
      • 1...Kxd4
        • 2.Bc5#
      • 1...Kf4
        • 2.Sd5#
      • 1...d2
        • 2.Qxd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(c);S_FLIGHT,XP(F)::B(K)
    • S(a);SBLOCK,XP(F)::QAB1(G)
    • P(b);::QAB1(G),XP(b)
  • Tries
    • Try
      • S(J);CHECK
      • Refutation
        • P(d);XS(J)
    • Try
      • B(H);
      • Threat
        • QAR2(G)
      • Vars
        • K(c);S_FLIGHT::S(J)
        • P(b);::QAB1(G),XP(b)
      • Refutation
        • K(c);S_FLIGHT,XP(F)
    • Try
      • B(H);
      • Threat
        • QAR2(G)
      • Vars
        • K(c);S_FLIGHT::S(J)
        • P(b);::QAB1(G),XP(b)
      • Refutation
        • K(c);S_FLIGHT,XP(F)
    • Try
      • B(H);
      • Threat
        • QAR2(G)
      • Vars
        • K(c);S_FLIGHT::S(J)
        • P(b);::QAB1(G),XP(b)
      • Refutation
        • K(c);S_FLIGHT,XP(F)
    • Try
      • B(H);
      • Threat
        • QAR2(G)
      • Vars
        • K(c);S_FLIGHT,XP(F)::B(K)
        • P(b);::QAB1(G),XP(b)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(H);
      • Threat
        • QAR2(G)
      • Vars
        • K(c);S_FLIGHT::S(J)
        • P(b);::QAB1(G),XP(b)
      • Refutation
        • K(c);S_FLIGHT,XP(F)
    • Try
      • B(K);CHECK
      • Vars
        • S(e);P_SPINS(e)::QAB1(G)
        • S(e);XR(L)::QAB1(G)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • B(H);
    • Threat
      • QAR2(G)
    • Vars
      • K(c);S_FLIGHT,XP(F)::B(K)
      • K(c);S_FLIGHT::S(J)
      • P(b);::QAB1(G),XP(b)
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