MESON Chess Problem Database

Problem Display
PID: 161877 (2R2Nb1/N1b4p/8/3k3r/nB1P3p/2p1Q3/K3P3/3R1B2 w - - 0 1)

Thomas, Georg

Thema Danicum, 1978

2R2Nb1/N1b4p/8/3k3r/nB1P3p/2p1Q3/K3P3/3R1B2

#2

10 + 8

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Bg2#
      • 2.Qf3#
    • 1...Bg3
      • 2.Bg2#
      • 2.Qf3#
    • 1...Bf4
      • 2.Bg2#
      • 2.Qf3#
    • 1...Ba5
      • 2.Bg2#
      • 2.Qf3#
    • 1...Be5
      • 2.Bg2#
      • 2.Qf3#
      • 2.dxe5#
    • 1...Bb6
      • 2.Bg2#
      • 2.Qf3#
    • 1...Bd6
      • 2.Bg2#
      • 2.Qf3#
    • 1...Bb8
      • 2.Bg2#
      • 2.Qf3#
    • 1...Bd8
      • 2.Bg2#
      • 2.Qf3#
    • 1...Be6
      • 2.Qxe6#
  • Tries
    • 1.Kb3?
      • threat
        • 2.Bg2#
        • 2.Qf3#
      • 1...Sc5+
        • 2.dxc5#
      • 1...Re5
        • 2.dxe5#
      • 1...Rg5
        • 2.Qf3#
      • 1...h3
        • 2.Qf3#
      • 1...Rf5!
    • 1.Qe4+?
      • 1...Kc4
        • 2.d5#
      • 1...Kxe4+!
  • Keys
    • 1.Qf4!
      • threat
        • 2.e4#
      • 1...Kc4
        • 2.d5#
      • 1...Bxf4
        • 2.Bg2#
      • 1...Re5
        • 2.dxe5#
      • 1...Sc5
        • 2.dxc5#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • B(h);N_GUARD::QAB1(E),XB(h)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • S(b);CHECK,OGATE::R(A)+P(G),XS(b)
        • R(e);OGATE::R(A)+P(G),XR(e)
        • R(e);::QAB(E)
        • P(c);::QAB(E)
      • Refutation
        • R(e);
    • Try
      • Q(E);CHECK
      • Vars
        • K(d);OGATE,P_SPINB(f),S_FLIGHT::QAR(E)+P(G)
      • Refutation
        • K(d);CHECK,S_FLIGHT,XQ(E)
  • Actual
    • Q(E);
    • Threat
      • P(D)
    • Vars
      • K(d);OGATE,P_SPINB(f),S_FLIGHT::QAR(E)+P(G)
      • B(f);XQ(E)::B(B)
      • R(e);OGATE::R(A)+P(G),XR(e)
      • S(b);OGATE::R(A)+P(G),XS(b)
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