MESON Chess Problem Database

Problem Display
PID: 121466 (8/4Kp2/2N2P2/7p/1P2kp2/7P/8/3B1Q2 w - - 0 1)

Cumpe, Josef

Sokolske besedy, 1929

8/4Kp2/2N2P2/7p/1P2kp2/7P/8/3B1Q2

#2

7 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qe2#
    • 1...Kd5
      • 2.Bf3#
    • 1...f3
      • 2.Qxf3#
  • Tries
    • 1.Bc2+?
      • 1...Kd5
        • 2.Qb5#
      • 1...Ke3!
    • 1.Bf3+?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kf5!
    • 1.Bg4?
      • threat
        • 2.Qf3#
      • 1...Ke3
        • 2.Qe2#
      • 1...Kd5
        • 2.Bf3#
      • 1...f3
        • 2.Qxf3#
      • 1...hxg4!
    • 1.Bxh5?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kd5
        • 2.Bf3#
      • 1...f3
        • 2.Qxf3#
      • 1...Kf5!
    • 1.Qg2+?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kf5
        • 2.Bc2#
      • 1...f3
        • 2.Qxf3#
      • 1...Kd3!
    • 1.Qc4+?
      • 1...Ke3
        • 2.Qe2#
        • 2.Qd4#
      • 1...Kf5!
    • 1.Qxf4+?
      • 1...Kd3
        • 2.Qd4#
      • 1...Kd5
        • 2.Bf3#
      • 1...Kxf4!
  • Keys
    • 1.h4!
      • 1...Ke3
        • 2.Qe2#
      • 1...Kd5
        • 2.Bf3#
      • 1...Kf5
        • 2.Qd3#
      • 1...f3
        • 2.Qxf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR1(B)
    • K(a);S_FLIGHT::B(A)
    • P(b);::QAB1(B),XP(b)
  • Tries
    • Try
      • B(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(A);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Threat
        • QAB1(B)
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::B(A)
        • P(b);::QAB1(B),XP(b)
      • Refutation
        • P(c);XB(A)
    • Try
      • B(A);XP(c)
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::B(A)
        • P(b);::QAB1(B),XP(b)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::B(A)
        • P(b);P_SPINP(b)::QAB1(B),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK,XP(b)
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
  • Actual
    • P(C);
    • Vars
      • K(a);P-FLIGHT::QAR1(B)
      • K(a);S_FLIGHT::B(A)
      • K(a);P_SPINP(b),S_FLIGHT::QAB(B)
      • P(b);::QAB1(B),XP(b)
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