MESON Chess Problem Database

Problem Display
PID: 162526 (b7/8/5B2/5K2/B1N5/p3p3/pR5N/Rq2kr1Q w - - 0 1)

Witt, Andreas

Die Schwalbe, 2015

b7/8/5B2/5K2/B1N5/p3p3/pR5N/Rq2kr1Q

#2

8 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Ke5?
      • threat
        • 2.Bh4#
        • 2.Qxf1#
      • 1...Rxh1
        • 2.Bh4#
      • 1...axb2
        • 2.Qxf1#
      • 1...e2
        • 2.Bh4#
      • 1...Rg1
        • 2.Bh4#
        • 2.Qxg1#
      • 1...Bg2
        • 2.Bh4#
      • 1...Bxh1!
    • 1.Kg5?
      • threat
        • 2.Bc3#
        • 2.Qxf1#
      • 1...Rg1+
        • 2.Qxg1#
      • 1...Rxh1
        • 2.Bc3#
      • 1...Bxh1
        • 2.Bc3#
      • 1...axb2
        • 2.Qxf1#
      • 1...Bg2
        • 2.Bc3#
      • 1...e2!
    • 1.Ke6?
      • threat
        • 2.Bc3#
        • 2.Bh4#
        • 2.Qxf1#
      • 1...Rxh1
        • 2.Bc3#
        • 2.Bh4#
      • 1...Bxh1
        • 2.Bc3#
      • 1...axb2
        • 2.Qxf1#
      • 1...e2
        • 2.Bh4#
      • 1...Rg1
        • 2.Bc3#
        • 2.Bh4#
        • 2.Qxg1#
      • 1...Bg2
        • 2.Bc3#
        • 2.Bh4#
      • 1...Bd5+!
  • Keys
    • 1.Kg4!
      • threat
        • 2.Bc3#
        • 2.Bh4#
        • 2.Qxf1#
      • 1...Qd1+
        • 2.Rxd1#
      • 1...Rg1+
        • 2.Qxg1#
      • 1...Bf3+
        • 2.Sxf3#
      • 1...Rxh1
        • 2.Bc3#
        • 2.Bh4#
      • 1...Bxh1
        • 2.Bc3#
      • 1...axb2
        • 2.Qxf1#
      • 1...e2
        • 2.Bh4#
      • 1...Bg2
        • 2.Bc3#
        • 2.Bh4#

FEATURES

  • Static
    • TYPE = WHITE_IN_CHECK
  • Tries
    • Try
      • K(G);P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • R(c);N_SPINR(c),XQ(B)::B(H)
        • P(e);XR(C)::QAR1(B),XR(c)
        • P(f);::B(H)
        • B(g);::B(H)
      • Refutation
        • B(g);N_SPINR(c),XQ(B)
    • Try
      • K(G);P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • R(c);CHECK,OGATEB::QAR2(B),XR(c)
        • R(c);N_SPINR(c),XQ(B)::B(H)
        • B(g);N_SPINR(c),XQ(B)::B(H)
        • P(e);XR(C)::QAR1(B),XR(c)
        • B(g);::B(H)
      • Refutation
        • P(f);
    • Try
      • K(G);S_FLIGHT
      • Threat
        • DUALS(3)
      • Vars
        • B(g);N_SPINR(c),XQ(B)::B(H)
        • P(e);XR(C)::QAR1(B),XR(c)
        • P(f);::B(H)
      • Refutation
        • B(g);CHECK
  • Actual
    • K(G);S_FLIGHT
    • Threat
      • DUALS(3)
    • Vars
      • Q(a);CHECK,OGATE::R1(A),XQ(a)
      • R(c);CHECK,OGATEB::QAR2(B),XR(c)
      • B(g);CHECK,N_GUARD::S(D),XB(g)
      • B(g);N_SPINR(c),XQ(B)::B(H)
      • P(e);XR(C)::QAR1(B),XR(c)
      • P(f);::B(H)
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