MESON Chess Problem Database

Problem Display
PID: 98759 (B7/B3P1p1/2bp1n1R/5N2/1pRPkP2/1K4P1/8/3Q4 w - - 0 1)

Servais, Albert

Problem (Zagreb), 1952

B7/B3P1p1/2bp1n1R/5N2/1pRPkP2/1K4P1/8/3Q4

#2

11 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sh4?
      • threat
        • 2.Qf3#
        • 2.d5#
      • 1...Ke3
        • 2.d5#
      • 1...Bd5
        • 2.Qe2#
        • 2.Qf3#
      • 1...Sd5
        • 2.Re6#
        • 2.Qf3#
      • 1...d5
        • 2.Qe2#
        • 2.Qf3#
      • 1...Kd5!
    • 1.Sxd6+?
      • 1...Ke3
        • 2.d5#
      • 1...Kd5!
    • 1.Rxf6?
      • threat
        • 2.d5#
      • 1...Kd5
        • 2.Bxc6#
        • 2.Qf3#
        • 2.Qh1#
      • 1...Bd5
        • 2.Qe2#
        • 2.e8Q#
        • 2.e8R#
      • 1...d5
        • 2.Qe2#
      • 1...gxf6!
    • 1.Qe2+?
      • 1...Kd5
        • 2.Bxc6#
      • 1...Kxf5!
  • Keys
    • 1.Sxg7!
      • threat
        • 2.d5#
      • 1...Ke3
        • 2.d5#
      • 1...Kd5
        • 2.Bxc6#
      • 1...Bd5
        • 2.Qe2#
      • 1...Sd5
        • 2.Re6#
      • 1...d5
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);N_SPINB(c),P-FLIGHT::B(I)+P(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(G);CHECK,XP(d)
      • Vars
        • K(b);N_SPINB(c),P-FLIGHT::B(I)+P(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(H);XS(e)
      • Threat
        • R(D)+P(E)
      • Vars
        • P(d);N_SPINB(c),SBLOCK::QAR2(A)
      • Refutation
        • P(f);XR(H)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::B(K),XB(c)
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT,XS(G)
  • Actual
    • S(G);XP(f)
    • Threat
      • R(D)+P(E)
    • Vars
      • K(b);N_SPINB(c),P-FLIGHT::B(I)+P(E)
      • K(b);S_FLIGHT::B(K),XB(c)
      • B(c);P_PINR(D)::QAR2(A)
      • S(e);N_SPINB(c),OGATE,SBLOCK::R(H)
      • P(d);N_SPINB(c),SBLOCK::QAR2(A)
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