MESON Chess Problem Database

Problem Display
PID: 163074 (b1r5/3R1p1B/5Nr1/1pPn4/1P4Rp/N1pk4/p3pP2/K3Q3 w - - 0 1)

Pachl, Franz

Landeszeitung fur die Luneburger Heide, 1995

(First published on Sat Jul 8 1995)

b1r5/3R1p1B/5Nr1/1pPn4/1P4Rp/N1pk4/p3pP2/K3Q3

#2

10 + 11

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Rc6
      • 2.Rxd5#
  • Tries
    • 1.Sxd5?
      • threat
        • 2.Qxc3#
      • 1...Bxd5
        • 2.Rxd5#
      • 1...c2
        • 2.Qc3#
      • 1...Rxc5!
    • 1.Rg3+?
      • 1...Kd4
        • 2.Qxc3#
      • 1...hxg3!
    • 1.Rc4?
      • threat
        • 2.Qxc3#
      • 1...c2
        • 2.Qc3#
      • 1...bxc4!
    • 1.Re4?
      • threat
        • 2.Qxe2#
      • 1...Rg1
        • 2.Rg4#
      • 1...c2!
  • Keys
    • 1.Se4!
      • threat
        • 2.Qxc3#
      • 1...Kd4
        • 2.Qxc3#
      • 1...Rxc5
        • 2.Sxc5#
      • 1...Rd6
        • 2.Sf6#
      • 1...c2
        • 2.Qd2#
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(k);S_CUTB(j)::R(I),XS(g)
  • Tries
    • Try
      • S(H);XS(g)
      • Threat
        • QAR1(B),XP(c)
      • Vars
        • B(j);OGATE,P_SPINB(j),XS(H)::R(I),XB(j)
        • P(c);::QAR1(B)
      • Refutation
        • R(k);XP(G)
    • Try
      • R(F);CHECK
      • Vars
        • K(d);N_SPINR(h),P-FLIGHT::QAB1(B),XP(c)
      • Refutation
        • P(e);XR(F)
    • Try
      • R(F);
      • Threat
        • QAR1(B),XP(c)
      • Vars
        • P(c);::QAR1(B)
      • Refutation
        • P(f);XR(F)
    • Try
      • R(F);N_PINR(h)
      • Threat
        • QAB1(B),XP(b)
      • Vars
        • R(h);OGATEB,P_PINQ(B)::B(J)+R(F)
      • Refutation
        • P(c);
  • Actual
    • S(H);N_PINR(h)
    • Threat
      • QAR1(B),XP(c)
    • Vars
      • K(d);P-FLIGHT::QAB1(B),XP(c)
      • R(k);XP(G)::S(H),XR(k)
      • R(h);N_SPINS(g)::B(J)+S(H)
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