MESON Chess Problem Database

Problem Display
PID: 176096 (BQ1r4/2n5/Rn6/1p1P4/pPp2B1p/2R1Pk2/5N2/5K2 w - - 0 1)

Karge, Fritz

Schach-Echo, 1941

BQ1r4/2n5/Rn6/1p1P4/pPp2B1p/2R1Pk2/5N2/5K2

#2

10 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sxa6
      • 2.e4#
    • 1...Se6
      • 2.e4#
    • 1...Sxa8
      • 2.e4#
    • 1...Se8
      • 2.e4#
  • Tries
    • 1.Be5?
      • threat
        • 2.e4#
      • 1...Rxd5
        • 2.Qf8#
      • 1...Sbxd5
        • 2.Rf6#
      • 1...Scxd5!
    • 1.Bxc7?
      • threat
        • 2.e4#
      • 1...Rxd5
        • 2.Qf8#
      • 1...Sxd5
        • 2.Rf6#
      • 1...Rd6!
  • Keys
    • 1.Bh2!
      • threat
        • 2.e4#
      • 1...Rxd5
        • 2.Qf8#
      • 1...Sbxd5
        • 2.Rf6#
      • 1...Scxd5
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • S(g);XR(H)::R(C)+P(D)
    • S(g);::R(C)+P(D)
    • S(g);XB(I)::R(C)+P(D)
  • Tries
    • Try
      • B(F);
      • Threat
        • R(C)+P(D)
      • Vars
        • R(h);OGATE,P_SPINR(h),XP(G)::QAR(J)
        • S(f);OGATE,P_SPINS(f),XP(G)::R(H)
      • Refutation
        • S(g);P_SPINS(g),XP(G)
    • Try
      • B(F);XS(g)
      • Threat
        • R(C)+P(D)
      • Vars
        • R(h);OGATE,P_SPINR(h),XP(G)::QAR(J)
        • S(f);OGATE,P_SPINS(f),XP(G)::R(H)
      • Refutation
        • R(h);
  • Actual
    • B(F);
    • Threat
      • R(C)+P(D)
    • Vars
      • R(h);OGATE,P_SPINR(h),XP(G)::QAR(J)
      • S(f);OGATE,P_SPINS(f),XP(G)::R(H)
      • S(g);OGATE,P_SPINS(g),XP(G)::QAR1(J)
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