MESON Chess Problem Database

Problem Display
PID: 99813 (B3R3/B6K/b5p1/2Rpn1N1/p2kp2Q/4p1N1/rn2p3/8 w - - 0 1)

Haring, Jacobus

Magyar Sakkelet, 1981

B3R3/B6K/b5p1/2Rpn1N1/p2kp2Q/4p1N1/rn2p3/8

#2

8 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bd3
      • 2.Se6#
      • 2.Rc1#
      • 2.Rc2#
      • 2.Rc6#
      • 2.Rc7#
      • 2.Rcc8#
    • 1...Sbd3
      • 2.Se6#
    • 1...Sed3
      • 2.Sxe2#
      • 2.Sf3#
  • Tries
    • 1.S5xe4?
      • threat
        • 2.Rc3#
      • 1...Kd3
        • 2.Rc3#
      • 1...dxe4
        • 2.Qxe4#
      • 1...Bc4
        • 2.Rxd5#
      • 1...Sbc4
        • 2.Rxd5#
      • 1...Sed3
        • 2.Sxe2#
      • 1...Sec4
        • 2.Rxd5#
      • 1...Sc6
        • 2.Sf2#
      • 1...Sd7
        • 2.Sf2#
      • 1...Sbd3!
  • Keys
    • 1.S3xe4!
      • threat
        • 2.Rc3#
      • 1...Kd3
        • 2.Rc3#
      • 1...dxe4
        • 2.Qxe4#
      • 1...Bc4
        • 2.Rxd5#
      • 1...Sbd3
        • 2.Se6#
      • 1...Sbc4
        • 2.Rxd5#
      • 1...Sed3
        • 2.Sf3#
      • 1...Sec4
        • 2.Rxd5#
      • 1...Sc6
        • 2.Sf2#
      • 1...Sd7
        • 2.Sf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • S(b);SBLOCK::S(D)
  • Tries
    • Try
      • S(D);XP(g)
      • Threat
        • B(E)+R(C)
      • Vars
        • K(f);P-FLIGHT::R1(C)
        • P(h);OGATE,P_SPINP(h),XS(D)::QAR1(B),XP(h)
        • B(j);SBLOCK::B(E)+R(C),DCHECK,XP(h)
        • S(b);SBLOCK::B(E)+R(C),DCHECK,XP(h)
        • S(i);SBLOCK,S_CUTB(j)::S(A),XP(c)
        • S(i);SBLOCK::B(E)+R(C),DCHECK,XP(h)
        • S(i);N_GUARD::QAR(B)+S(D)
      • Refutation
        • S(b);
  • Actual
    • S(A);XP(g)
    • Threat
      • B(E)+R(C)
    • Vars
      • K(f);P-FLIGHT::R1(C)
      • P(h);OGATE,P_SPINP(h),XS(A)::QAR1(B),XP(h)
      • B(j);SBLOCK::B(E)+R(C),DCHECK,XP(h)
      • S(b);SBLOCK::S(D)
      • S(b);SBLOCK::B(E)+R(C),DCHECK,XP(h)
      • S(i);N_GUARD,SBLOCK::S(D)
      • S(i);SBLOCK::B(E)+R(C),DCHECK,XP(h)
      • S(i);N_GUARD::QAR(B)+S(A)
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