MESON Chess Problem Database

Problem Display
PID: 161714 (3r4/2Rp3p/5N2/1pq2pQK/1pk2P2/1b1n1R1p/4r3/B4B2 w - - 0 1)

Thomas, Georg

Nationaltidende, 1940

(First published on Sun Jul 7 1940)

3r4/2Rp3p/5N2/1pq2pQK/1pk2P2/1b1n1R1p/4r3/B4B2

#2

8 + 12

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Bxd3#
    • 1...Ra2
      • 2.Bxd3#
    • 1...Rc2
      • 2.Bxd3#
    • 1...Rf2
      • 2.Bxd3#
    • 1...Rg2
      • 2.Bxd3#
    • 1...Rh2
      • 2.Bxd3#
    • 1...Re4
      • 2.Bxd3#
    • 1...Re5
      • 2.Bxd3#
    • 1...Re6
      • 2.Bxd3#
    • 1...Re7
      • 2.Bxd3#
    • 1...Ree8
      • 2.Bxd3#
    • 1...Sxf4+
      • 2.Qxf4#
  • Keys
    • 1.Qxf5!
      • threat
        • 2.Qd5#
      • 1...Sxf4+
        • 2.Rxf4#
      • 1...Rb2
        • 2.Qxc5#
      • 1...Re5
        • 2.Bxd3#
      • 1...Se5
        • 2.Qe4#
      • 1...d5
        • 2.Qxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 10
  • Sets
    • R(a);OGATE,P_SPINS(c)::B(B),XS(c)
    • S(c);CHECK,OGATE,P_SPINR(a),XP(D)::QAR(E),XS(c)
  • Actual
    • Q(E);P_SPINQ(E),XP(i)
    • Threat
      • QAB1(E)
    • Vars
      • S(c);CHECK,OGATE,P_SPINR(a),XP(D)::R(C),XS(c)
      • R(a);P_SPINS(c)::QAR1(E),XQ(h)
      • R(a);OGATE,P_SPINS(c)::B(B),XS(c)
      • S(c);N_PINQ(E),P_SPINR(a)::QAR2(E)
      • P(j);N_PINQ(E)::QAB1(E),XS(c)
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